Second deployment test.

Adds push, list, get, delete, and login subcommands backed by an HTTP
API client, plus an MCP server for tool-based access to the document
queue.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

cmd/mcq/client.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	"git.wntrmute.dev/mc/mcq/internal/client"
+)
+
+var clientFlags struct {
+	server string
+	token  string
+}
+
+func addClientFlags(cmd *cobra.Command) {
+	cmd.Flags().StringVar(&clientFlags.server, "server", "", "MCQ server URL (env: MCQ_SERVER)")
+	cmd.Flags().StringVar(&clientFlags.token, "token", "", "auth token (env: MCQ_TOKEN)")
+}
+
+func newClient() (*client.Client, error) {
+	server := clientFlags.server
+	if server == "" {
+		server = os.Getenv("MCQ_SERVER")
+	}
+	if server == "" {
+		return nil, fmt.Errorf("server URL required: use --server or MCQ_SERVER")
+	}
+
+	token := clientFlags.token
+	if token == "" {
+		token = os.Getenv("MCQ_TOKEN")
+	}
+	if token == "" {
+		token = readCachedToken()
+	}
+	if token == "" {
+		return nil, fmt.Errorf("auth token required: use --token, MCQ_TOKEN, or run 'mcq login'")
+	}
+
+	return client.New(server, token), nil
+}
+
+func tokenPath() string {
+	if dir, err := os.UserConfigDir(); err == nil {
+		return filepath.Join(dir, "mcq", "token")
+	}
+	home, _ := os.UserHomeDir()
+	return filepath.Join(home, ".config", "mcq", "token")
+}
+
+func readCachedToken() string {
+	data, err := os.ReadFile(tokenPath())
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(string(data))
+}

cmd/mcq/delete.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func deleteCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "delete <slug>",
+		Short: "Delete a document from the queue",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(_ *cobra.Command, args []string) error {
+			c, err := newClient()
+			if err != nil {
+				return err
+			}
+
+			if err := c.DeleteDocument(context.Background(), args[0]); err != nil {
+				return fmt.Errorf("delete document: %w", err)
+			}
+
+			fmt.Printf("deleted %s\n", args[0])
+			return nil
+		},
+	}
+
+	addClientFlags(cmd)
+	return cmd
+}

cmd/mcq/get.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+func getCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "get <slug>",
+		Short: "Get a document's markdown body",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(_ *cobra.Command, args []string) error {
+			c, err := newClient()
+			if err != nil {
+				return err
+			}
+
+			doc, err := c.GetDocument(context.Background(), args[0])
+			if err != nil {
+				return fmt.Errorf("get document: %w", err)
+			}
+
+			_, _ = fmt.Fprint(os.Stdout, doc.Body)
+			return nil
+		},
+	}
+
+	addClientFlags(cmd)
+	return cmd
+}

cmd/mcq/list.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"text/tabwriter"
+
+	"github.com/spf13/cobra"
+)
+
+func listCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "list",
+		Short: "List documents in the queue",
+		Args:  cobra.NoArgs,
+		RunE: func(_ *cobra.Command, _ []string) error {
+			c, err := newClient()
+			if err != nil {
+				return err
+			}
+
+			docs, err := c.ListDocuments(context.Background())
+			if err != nil {
+				return fmt.Errorf("list documents: %w", err)
+			}
+
+			w := tabwriter.NewWriter(os.Stdout, 0, 4, 2, ' ', 0)
+			_, _ = fmt.Fprintln(w, "SLUG\tTITLE\tPUSHED BY\tPUSHED AT\tREAD")
+			for _, d := range docs {
+				read := "no"
+				if d.Read {
+					read = "yes"
+				}
+				_, _ = fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", d.Slug, d.Title, d.PushedBy, d.PushedAt, read)
+			}
+			_ = w.Flush()
+			return nil
+		},
+	}
+
+	addClientFlags(cmd)
+	return cmd
+}

cmd/mcq/login.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"bufio"
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"syscall"
+
+	"github.com/spf13/cobra"
+	"golang.org/x/term"
+
+	"git.wntrmute.dev/mc/mcq/internal/client"
+)
+
+func loginCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "login",
+		Short: "Authenticate with MCIAS and cache a token",
+		Args:  cobra.NoArgs,
+		RunE: func(_ *cobra.Command, _ []string) error {
+			server := clientFlags.server
+			if server == "" {
+				server = os.Getenv("MCQ_SERVER")
+			}
+			if server == "" {
+				return fmt.Errorf("server URL required: use --server or MCQ_SERVER")
+			}
+
+			reader := bufio.NewReader(os.Stdin)
+
+			fmt.Print("Username: ")
+			username, _ := reader.ReadString('\n')
+			username = strings.TrimSpace(username)
+
+			fmt.Print("Password: ")
+			passBytes, err := term.ReadPassword(int(syscall.Stdin))
+			if err != nil {
+				return fmt.Errorf("read password: %w", err)
+			}
+			fmt.Println()
+			password := string(passBytes)
+
+			fmt.Print("TOTP code (blank if none): ")
+			totpCode, _ := reader.ReadString('\n')
+			totpCode = strings.TrimSpace(totpCode)
+
+			c := client.New(server, "")
+			token, err := c.Login(context.Background(), username, password, totpCode)
+			if err != nil {
+				return fmt.Errorf("login: %w", err)
+			}
+
+			path := tokenPath()
+			if err := os.MkdirAll(filepath.Dir(path), 0700); err != nil {
+				return fmt.Errorf("create config dir: %w", err)
+			}
+			if err := os.WriteFile(path, []byte(token+"\n"), 0600); err != nil {
+				return fmt.Errorf("cache token: %w", err)
+			}
+
+			fmt.Printf("token cached to %s\n", path)
+			return nil
+		},
+	}
+
+	cmd.Flags().StringVar(&clientFlags.server, "server", "", "MCQ server URL (env: MCQ_SERVER)")
+	return cmd
+}

cmd/mcq/main.go

@@ -16,6 +16,12 @@ func main() {
 	}
 
 	root.AddCommand(serverCmd())
+	root.AddCommand(pushCmd())
+	root.AddCommand(listCmd())
+	root.AddCommand(getCmd())
+	root.AddCommand(deleteCmd())
+	root.AddCommand(loginCmd())
+	root.AddCommand(mcpCmd())
 
 	if err := root.Execute(); err != nil {
 		os.Exit(1)

cmd/mcq/mcp.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/mark3labs/mcp-go/server"
+	"github.com/spf13/cobra"
+
+	"git.wntrmute.dev/mc/mcq/internal/client"
+	"git.wntrmute.dev/mc/mcq/internal/mcpserver"
+)
+
+func mcpCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "mcp",
+		Short: "Start MCP stdio server for Claude integration",
+		Args:  cobra.NoArgs,
+		RunE: func(_ *cobra.Command, _ []string) error {
+			return runMCP()
+		},
+	}
+}
+
+func runMCP() error {
+	serverURL := os.Getenv("MCQ_SERVER")
+	if serverURL == "" {
+		return fmt.Errorf("MCQ_SERVER environment variable required")
+	}
+	token := os.Getenv("MCQ_TOKEN")
+	if token == "" {
+		return fmt.Errorf("MCQ_TOKEN environment variable required")
+	}
+
+	c := client.New(serverURL, token)
+	mcpSrv := mcpserver.New(c, version)
+	stdioSrv := server.NewStdioServer(mcpSrv)
+	return stdioSrv.Listen(context.Background(), os.Stdin, os.Stdout)
+}

cmd/mcq/push.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/spf13/cobra"
+
+	"git.wntrmute.dev/mc/mcq/internal/client"
+)
+
+func pushCmd() *cobra.Command {
+	var title string
+
+	cmd := &cobra.Command{
+		Use:   "push <slug> <file|->",
+		Short: "Push a document to the queue",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(_ *cobra.Command, args []string) error {
+			slug := args[0]
+			source := args[1]
+
+			var body []byte
+			var err error
+			if source == "-" {
+				body, err = io.ReadAll(os.Stdin)
+			} else {
+				body, err = os.ReadFile(source)
+			}
+			if err != nil {
+				return fmt.Errorf("read input: %w", err)
+			}
+
+			if title == "" {
+				title = client.ExtractTitle(string(body), slug)
+			}
+
+			c, err := newClient()
+			if err != nil {
+				return err
+			}
+
+			doc, err := c.PutDocument(context.Background(), slug, title, string(body))
+			if err != nil {
+				return fmt.Errorf("push document: %w", err)
+			}
+
+			fmt.Printf("pushed %s (%s)\n", doc.Slug, doc.Title)
+			return nil
+		},
+	}
+
+	cmd.Flags().StringVar(&title, "title", "", "document title (default: first H1 heading, or slug)")
+	addClientFlags(cmd)
+	return cmd
+}

go.mod

@@ -6,10 +6,12 @@ require (
 	git.wntrmute.dev/mc/mcdsl v1.2.0
 	github.com/alecthomas/chroma/v2 v2.18.0
 	github.com/go-chi/chi/v5 v5.2.5
+	github.com/mark3labs/mcp-go v0.46.0
 	github.com/pelletier/go-toml/v2 v2.3.0
 	github.com/spf13/cobra v1.10.2
 	github.com/yuin/goldmark v1.7.12
 	github.com/yuin/goldmark-highlighting/v2 v2.0.0-20230729083705-37449abec8cc
+	golang.org/x/term v0.41.0
 	google.golang.org/grpc v1.79.3
 	google.golang.org/protobuf v1.36.11
 )
@@ -17,12 +19,15 @@ require (
 require (
 	github.com/dlclark/regexp2 v1.11.5 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/google/jsonschema-go v0.4.2 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/spf13/cast v1.7.1 // indirect
 	github.com/spf13/pflag v1.0.9 // indirect
+	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/sys v0.42.0 // indirect
 	golang.org/x/text v0.32.0 // indirect

go.sum

@@ -12,6 +12,7 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlclark/regexp2 v1.4.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/dlclark/regexp2 v1.7.0/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
@@ -19,6 +20,8 @@ github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZ
 github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
+github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/go-chi/chi/v5 v5.2.5 h1:Eg4myHZBjyvJmAFjFvWgrqDTXFyOzjj7YIm3L3mu6Ug=
 github.com/go-chi/chi/v5 v5.2.5/go.mod h1:X7Gx4mteadT3eDOMTsXzmI4/rwUpOwBHLpAfupzFJP0=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
@@ -29,6 +32,8 @@ github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/jsonschema-go v0.4.2 h1:tmrUohrwoLZZS/P3x7ex0WAVknEkBZM46iALbcqoRA8=
+github.com/google/jsonschema-go v0.4.2/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@@ -39,22 +44,37 @@ github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUq
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/mark3labs/mcp-go v0.46.0 h1:8KRibF4wcKejbLsHxCA/QBVUr5fQ9nwz/n8lGqmaALo=
+github.com/mark3labs/mcp-go v0.46.0/go.mod h1:JKTC7R2LLVagkEWK7Kwu7DbmA6iIvnNAod6yrHiQMag=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
 github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/pelletier/go-toml/v2 v2.3.0 h1:k59bC/lIZREW0/iVaQR8nDHxVq8OVlIzYCOJf421CaM=
 github.com/pelletier/go-toml/v2 v2.3.0/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
+github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
 github.com/spf13/cobra v1.10.2 h1:DMTTonx5m65Ic0GOoRY2c16WCbHxOOw6xxezuLaBpcU=
 github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiTUUS4=
 github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
 github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/yosida95/uritemplate/v3 v3.0.2 h1:Ed3Oyj9yrmi9087+NczuL5BwkIc4wvTb5zIM+UJPGz4=
+github.com/yosida95/uritemplate/v3 v3.0.2/go.mod h1:ILOh0sOhIJR3+L/8afwt/kE++YT040gmv5BQTMR2HP4=
 github.com/yuin/goldmark v1.4.15/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yuin/goldmark v1.7.12 h1:YwGP/rrea2/CnCtUHgjuolG/PnMxdQtPMO5PvaE2/nY=
 github.com/yuin/goldmark v1.7.12/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
@@ -82,6 +102,8 @@ golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
 golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/term v0.41.0 h1:QCgPso/Q3RTJx2Th4bDLqML4W6iJiaXFq2/ftQF13YU=
+golang.org/x/term v0.41.0/go.mod h1:3pfBgksrReYfZ5lvYM0kSO0LIkAl4Yl2bXOkKP7Ec2A=
 golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
 golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
 golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
@@ -96,6 +118,8 @@ google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBN
 google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=
 modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
 modernc.org/ccgo/v4 v4.32.0 h1:hjG66bI/kqIPX1b2yT6fr/jt+QedtP2fqojG2VrFuVw=

internal/client/client.go

@@ -0,0 +1,223 @@
+// Package client provides an HTTP client for the MCQ REST API.
+package client
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+)
+
+var (
+	ErrNotFound     = errors.New("not found")
+	ErrUnauthorized = errors.New("unauthorized")
+	ErrForbidden    = errors.New("forbidden")
+)
+
+// Document represents a document returned by the MCQ API.
+type Document struct {
+	ID       int64  `json:"id"`
+	Slug     string `json:"slug"`
+	Title    string `json:"title"`
+	Body     string `json:"body"`
+	PushedBy string `json:"pushed_by"`
+	PushedAt string `json:"pushed_at"`
+	Read     bool   `json:"read"`
+}
+
+// Client talks to a remote MCQ server's REST API.
+type Client struct {
+	baseURL    string
+	token      string
+	httpClient *http.Client
+}
+
+// Option configures a Client.
+type Option func(*Client)
+
+// WithHTTPClient sets a custom HTTP client (useful for testing).
+func WithHTTPClient(hc *http.Client) Option {
+	return func(c *Client) {
+		c.httpClient = hc
+	}
+}
+
+// New creates a Client. baseURL is the MCQ server URL (e.g. "https://mcq.example.com:8443").
+// token is a Bearer token from MCIAS login.
+func New(baseURL, token string, opts ...Option) *Client {
+	c := &Client{
+		baseURL:    strings.TrimRight(baseURL, "/"),
+		token:      token,
+		httpClient: http.DefaultClient,
+	}
+	for _, o := range opts {
+		o(c)
+	}
+	return c
+}
+
+func (c *Client) do(ctx context.Context, method, path string, body any) (*http.Response, error) {
+	var bodyReader io.Reader
+	if body != nil {
+		buf, err := json.Marshal(body)
+		if err != nil {
+			return nil, fmt.Errorf("marshal request: %w", err)
+		}
+		bodyReader = bytes.NewReader(buf)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, method, c.baseURL+path, bodyReader)
+	if err != nil {
+		return nil, err
+	}
+	if body != nil {
+		req.Header.Set("Content-Type", "application/json")
+	}
+	if c.token != "" {
+		req.Header.Set("Authorization", "Bearer "+c.token)
+	}
+
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	switch resp.StatusCode {
+	case http.StatusUnauthorized:
+		_ = resp.Body.Close()
+		return nil, ErrUnauthorized
+	case http.StatusForbidden:
+		_ = resp.Body.Close()
+		return nil, ErrForbidden
+	case http.StatusNotFound:
+		_ = resp.Body.Close()
+		return nil, ErrNotFound
+	}
+
+	return resp, nil
+}
+
+func decodeJSON[T any](resp *http.Response) (T, error) {
+	defer func() { _ = resp.Body.Close() }()
+	var v T
+	if err := json.NewDecoder(resp.Body).Decode(&v); err != nil {
+		return v, fmt.Errorf("decode response: %w", err)
+	}
+	return v, nil
+}
+
+// Login authenticates with MCIAS and returns a bearer token.
+func (c *Client) Login(ctx context.Context, username, password, totpCode string) (string, error) {
+	resp, err := c.do(ctx, http.MethodPost, "/v1/auth/login", map[string]string{
+		"username":  username,
+		"password":  password,
+		"totp_code": totpCode,
+	})
+	if err != nil {
+		return "", err
+	}
+	result, err := decodeJSON[struct {
+		Token string `json:"token"`
+	}](resp)
+	if err != nil {
+		return "", err
+	}
+	return result.Token, nil
+}
+
+// ListDocuments returns all documents in the queue.
+func (c *Client) ListDocuments(ctx context.Context) ([]Document, error) {
+	resp, err := c.do(ctx, http.MethodGet, "/v1/documents", nil)
+	if err != nil {
+		return nil, err
+	}
+	result, err := decodeJSON[struct {
+		Documents []Document `json:"documents"`
+	}](resp)
+	if err != nil {
+		return nil, err
+	}
+	return result.Documents, nil
+}
+
+// GetDocument fetches a single document by slug.
+func (c *Client) GetDocument(ctx context.Context, slug string) (*Document, error) {
+	resp, err := c.do(ctx, http.MethodGet, "/v1/documents/"+slug, nil)
+	if err != nil {
+		return nil, err
+	}
+	doc, err := decodeJSON[Document](resp)
+	if err != nil {
+		return nil, err
+	}
+	return &doc, nil
+}
+
+// PutDocument creates or replaces a document.
+func (c *Client) PutDocument(ctx context.Context, slug, title, body string) (*Document, error) {
+	resp, err := c.do(ctx, http.MethodPut, "/v1/documents/"+slug, map[string]string{
+		"title": title,
+		"body":  body,
+	})
+	if err != nil {
+		return nil, err
+	}
+	doc, err := decodeJSON[Document](resp)
+	if err != nil {
+		return nil, err
+	}
+	return &doc, nil
+}
+
+// DeleteDocument removes a document by slug.
+func (c *Client) DeleteDocument(ctx context.Context, slug string) error {
+	resp, err := c.do(ctx, http.MethodDelete, "/v1/documents/"+slug, nil)
+	if err != nil {
+		return err
+	}
+	_ = resp.Body.Close()
+	return nil
+}
+
+// MarkRead marks a document as read.
+func (c *Client) MarkRead(ctx context.Context, slug string) (*Document, error) {
+	resp, err := c.do(ctx, http.MethodPost, "/v1/documents/"+slug+"/read", nil)
+	if err != nil {
+		return nil, err
+	}
+	doc, err := decodeJSON[Document](resp)
+	if err != nil {
+		return nil, err
+	}
+	return &doc, nil
+}
+
+// MarkUnread marks a document as unread.
+func (c *Client) MarkUnread(ctx context.Context, slug string) (*Document, error) {
+	resp, err := c.do(ctx, http.MethodPost, "/v1/documents/"+slug+"/unread", nil)
+	if err != nil {
+		return nil, err
+	}
+	doc, err := decodeJSON[Document](resp)
+	if err != nil {
+		return nil, err
+	}
+	return &doc, nil
+}
+
+var h1Re = regexp.MustCompile(`(?m)^#\s+(.+)$`)
+
+// ExtractTitle returns the first H1 heading from markdown source.
+// If no H1 is found, it returns the fallback string.
+func ExtractTitle(markdown, fallback string) string {
+	m := h1Re.FindStringSubmatch(markdown)
+	if m == nil {
+		return fallback
+	}
+	return strings.TrimSpace(m[1])
+}

internal/client/client_test.go

@@ -0,0 +1,239 @@
+package client
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func testServer(t *testing.T) (*httptest.Server, *Client) {
+	t.Helper()
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("POST /v1/auth/login", func(w http.ResponseWriter, r *http.Request) {
+		var req struct {
+			Username string `json:"username"`
+			Password string `json:"password"`
+		}
+		_ = json.NewDecoder(r.Body).Decode(&req)
+		if req.Username == "admin" && req.Password == "pass" {
+			w.Header().Set("Content-Type", "application/json")
+			_ = json.NewEncoder(w).Encode(map[string]string{"token": "tok123"})
+			return
+		}
+		w.WriteHeader(http.StatusUnauthorized)
+	})
+
+	mux.HandleFunc("GET /v1/documents", func(w http.ResponseWriter, _ *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"documents": []Document{
+				{ID: 1, Slug: "test-doc", Title: "Test", Body: "# Test\nHello", PushedBy: "admin", PushedAt: "2026-01-01T00:00:00Z", Read: false},
+			},
+		})
+	})
+
+	mux.HandleFunc("GET /v1/documents/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		if slug == "missing" {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(Document{ID: 1, Slug: slug, Title: "Test", Body: "# Test\nHello"})
+	})
+
+	mux.HandleFunc("PUT /v1/documents/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		var req struct {
+			Title string `json:"title"`
+			Body  string `json:"body"`
+		}
+		_ = json.NewDecoder(r.Body).Decode(&req)
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(Document{ID: 1, Slug: slug, Title: req.Title, Body: req.Body, PushedBy: "admin"})
+	})
+
+	mux.HandleFunc("DELETE /v1/documents/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		if slug == "missing" {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		w.WriteHeader(http.StatusNoContent)
+	})
+
+	mux.HandleFunc("POST /v1/documents/{slug}/read", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(Document{ID: 1, Slug: slug, Title: "Test", Read: true})
+	})
+
+	mux.HandleFunc("POST /v1/documents/{slug}/unread", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(Document{ID: 1, Slug: slug, Title: "Test", Read: false})
+	})
+
+	ts := httptest.NewServer(mux)
+	t.Cleanup(ts.Close)
+	c := New(ts.URL, "tok123", WithHTTPClient(ts.Client()))
+	return ts, c
+}
+
+func TestLogin(t *testing.T) {
+	_, c := testServer(t)
+	c.token = "" // login doesn't need a pre-existing token
+
+	token, err := c.Login(context.Background(), "admin", "pass", "")
+	if err != nil {
+		t.Fatalf("Login: %v", err)
+	}
+	if token != "tok123" {
+		t.Fatalf("got token %q, want %q", token, "tok123")
+	}
+}
+
+func TestLoginBadCredentials(t *testing.T) {
+	_, c := testServer(t)
+	c.token = ""
+
+	_, err := c.Login(context.Background(), "admin", "wrong", "")
+	if err != ErrUnauthorized {
+		t.Fatalf("got %v, want ErrUnauthorized", err)
+	}
+}
+
+func TestListDocuments(t *testing.T) {
+	_, c := testServer(t)
+
+	docs, err := c.ListDocuments(context.Background())
+	if err != nil {
+		t.Fatalf("ListDocuments: %v", err)
+	}
+	if len(docs) != 1 {
+		t.Fatalf("got %d docs, want 1", len(docs))
+	}
+	if docs[0].Slug != "test-doc" {
+		t.Fatalf("got slug %q, want %q", docs[0].Slug, "test-doc")
+	}
+}
+
+func TestGetDocument(t *testing.T) {
+	_, c := testServer(t)
+
+	doc, err := c.GetDocument(context.Background(), "test-doc")
+	if err != nil {
+		t.Fatalf("GetDocument: %v", err)
+	}
+	if doc.Slug != "test-doc" {
+		t.Fatalf("got slug %q, want %q", doc.Slug, "test-doc")
+	}
+}
+
+func TestGetDocumentNotFound(t *testing.T) {
+	_, c := testServer(t)
+
+	_, err := c.GetDocument(context.Background(), "missing")
+	if err != ErrNotFound {
+		t.Fatalf("got %v, want ErrNotFound", err)
+	}
+}
+
+func TestPutDocument(t *testing.T) {
+	_, c := testServer(t)
+
+	doc, err := c.PutDocument(context.Background(), "new-doc", "New Doc", "# New\nContent")
+	if err != nil {
+		t.Fatalf("PutDocument: %v", err)
+	}
+	if doc.Slug != "new-doc" {
+		t.Fatalf("got slug %q, want %q", doc.Slug, "new-doc")
+	}
+	if doc.Title != "New Doc" {
+		t.Fatalf("got title %q, want %q", doc.Title, "New Doc")
+	}
+}
+
+func TestDeleteDocument(t *testing.T) {
+	_, c := testServer(t)
+
+	if err := c.DeleteDocument(context.Background(), "test-doc"); err != nil {
+		t.Fatalf("DeleteDocument: %v", err)
+	}
+}
+
+func TestDeleteDocumentNotFound(t *testing.T) {
+	_, c := testServer(t)
+
+	err := c.DeleteDocument(context.Background(), "missing")
+	if err != ErrNotFound {
+		t.Fatalf("got %v, want ErrNotFound", err)
+	}
+}
+
+func TestMarkRead(t *testing.T) {
+	_, c := testServer(t)
+
+	doc, err := c.MarkRead(context.Background(), "test-doc")
+	if err != nil {
+		t.Fatalf("MarkRead: %v", err)
+	}
+	if !doc.Read {
+		t.Fatal("expected doc to be marked read")
+	}
+}
+
+func TestMarkUnread(t *testing.T) {
+	_, c := testServer(t)
+
+	doc, err := c.MarkUnread(context.Background(), "test-doc")
+	if err != nil {
+		t.Fatalf("MarkUnread: %v", err)
+	}
+	if doc.Read {
+		t.Fatal("expected doc to be marked unread")
+	}
+}
+
+func TestExtractTitle(t *testing.T) {
+	tests := []struct {
+		name     string
+		markdown string
+		fallback string
+		want     string
+	}{
+		{"h1 found", "# My Title\nSome content", "default", "My Title"},
+		{"no h1", "Some content without heading", "default", "default"},
+		{"h2 not matched", "## Subtitle\nContent", "default", "default"},
+		{"h1 with spaces", "#   Spaced Title  \nContent", "default", "Spaced Title"},
+		{"multiple h1s", "# First\n# Second", "default", "First"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := ExtractTitle(tt.markdown, tt.fallback)
+			if got != tt.want {
+				t.Errorf("ExtractTitle() = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestBearerTokenSent(t *testing.T) {
+	var gotAuth string
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotAuth = r.Header.Get("Authorization")
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{"documents": []Document{}})
+	}))
+	t.Cleanup(ts.Close)
+
+	c := New(ts.URL, "my-secret-token", WithHTTPClient(ts.Client()))
+	_, _ = c.ListDocuments(context.Background())
+
+	if gotAuth != "Bearer my-secret-token" {
+		t.Fatalf("got Authorization %q, want %q", gotAuth, "Bearer my-secret-token")
+	}
+}

internal/mcpserver/server.go

@@ -0,0 +1,153 @@
+// Package mcpserver implements an MCP stdio server for MCQ.
+package mcpserver
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/mark3labs/mcp-go/mcp"
+	"github.com/mark3labs/mcp-go/server"
+
+	"git.wntrmute.dev/mc/mcq/internal/client"
+)
+
+// New creates an MCP server backed by the given MCQ client.
+func New(c *client.Client, version string) *server.MCPServer {
+	s := server.NewMCPServer("mcq", version,
+		server.WithToolCapabilities(false),
+	)
+
+	s.AddTool(pushDocumentTool(), pushDocumentHandler(c))
+	s.AddTool(listDocumentsTool(), listDocumentsHandler(c))
+	s.AddTool(getDocumentTool(), getDocumentHandler(c))
+	s.AddTool(deleteDocumentTool(), deleteDocumentHandler(c))
+
+	return s
+}
+
+func pushDocumentTool() mcp.Tool {
+	return mcp.NewTool("push_document",
+		mcp.WithDescription("Push a markdown document to the MCQ reading queue. If a document with the same slug exists, it will be replaced and marked as unread."),
+		mcp.WithString("slug", mcp.Description("Unique identifier for the document (used in URLs)"), mcp.Required()),
+		mcp.WithString("title", mcp.Description("Document title"), mcp.Required()),
+		mcp.WithString("body", mcp.Description("Document body in markdown format"), mcp.Required()),
+	)
+}
+
+func pushDocumentHandler(c *client.Client) server.ToolHandlerFunc {
+	return func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+		slug, err := request.RequireString("slug")
+		if err != nil {
+			return toolError("slug is required"), nil
+		}
+		title, err := request.RequireString("title")
+		if err != nil {
+			return toolError("title is required"), nil
+		}
+		body, err := request.RequireString("body")
+		if err != nil {
+			return toolError("body is required"), nil
+		}
+
+		doc, err := c.PutDocument(ctx, slug, title, body)
+		if err != nil {
+			return toolError(fmt.Sprintf("failed to push document: %v", err)), nil
+		}
+
+		return toolText(fmt.Sprintf("Pushed document %q (%s) to queue.", doc.Title, doc.Slug)), nil
+	}
+}
+
+func listDocumentsTool() mcp.Tool {
+	return mcp.NewTool("list_documents",
+		mcp.WithDescription("List all documents in the MCQ reading queue."),
+	)
+}
+
+func listDocumentsHandler(c *client.Client) server.ToolHandlerFunc {
+	return func(ctx context.Context, _ mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+		docs, err := c.ListDocuments(ctx)
+		if err != nil {
+			return toolError(fmt.Sprintf("failed to list documents: %v", err)), nil
+		}
+
+		if len(docs) == 0 {
+			return toolText("No documents in the queue."), nil
+		}
+
+		var b strings.Builder
+		fmt.Fprintf(&b, "%d document(s) in queue:\n\n", len(docs))
+		for _, d := range docs {
+			read := "unread"
+			if d.Read {
+				read = "read"
+			}
+			fmt.Fprintf(&b, "- **%s** (`%s`) — pushed by %s at %s [%s]\n", d.Title, d.Slug, d.PushedBy, d.PushedAt, read)
+		}
+
+		return toolText(b.String()), nil
+	}
+}
+
+func getDocumentTool() mcp.Tool {
+	return mcp.NewTool("get_document",
+		mcp.WithDescription("Get a document's markdown content from the MCQ reading queue."),
+		mcp.WithString("slug", mcp.Description("Document slug"), mcp.Required()),
+	)
+}
+
+func getDocumentHandler(c *client.Client) server.ToolHandlerFunc {
+	return func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+		slug, err := request.RequireString("slug")
+		if err != nil {
+			return toolError("slug is required"), nil
+		}
+
+		doc, err := c.GetDocument(ctx, slug)
+		if err != nil {
+			return toolError(fmt.Sprintf("failed to get document: %v", err)), nil
+		}
+
+		return toolText(doc.Body), nil
+	}
+}
+
+func deleteDocumentTool() mcp.Tool {
+	return mcp.NewTool("delete_document",
+		mcp.WithDescription("Delete a document from the MCQ reading queue."),
+		mcp.WithString("slug", mcp.Description("Document slug"), mcp.Required()),
+	)
+}
+
+func deleteDocumentHandler(c *client.Client) server.ToolHandlerFunc {
+	return func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+		slug, err := request.RequireString("slug")
+		if err != nil {
+			return toolError("slug is required"), nil
+		}
+
+		if err := c.DeleteDocument(ctx, slug); err != nil {
+			return toolError(fmt.Sprintf("failed to delete document: %v", err)), nil
+		}
+
+		return toolText(fmt.Sprintf("Deleted document %q from queue.", slug)), nil
+	}
+}
+
+func toolText(text string) *mcp.CallToolResult {
+	return &mcp.CallToolResult{
+		Content: []mcp.Content{
+			mcp.TextContent{Type: "text", Text: text},
+		},
+	}
+}
+
+func toolError(msg string) *mcp.CallToolResult {
+	return &mcp.CallToolResult{
+		Content: []mcp.Content{
+			mcp.TextContent{Type: "text", Text: msg},
+		},
+		IsError: true,
+	}
+}

internal/mcpserver/server_test.go

@@ -0,0 +1,171 @@
+package mcpserver
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/mark3labs/mcp-go/mcp"
+
+	"git.wntrmute.dev/mc/mcq/internal/client"
+)
+
+func testClient(t *testing.T) *client.Client {
+	t.Helper()
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("GET /v1/documents", func(w http.ResponseWriter, _ *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"documents": []client.Document{
+				{ID: 1, Slug: "doc-1", Title: "First Doc", Body: "# First\nContent", PushedBy: "admin", PushedAt: "2026-01-01T00:00:00Z"},
+			},
+		})
+	})
+
+	mux.HandleFunc("GET /v1/documents/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		if slug == "missing" {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(client.Document{ID: 1, Slug: slug, Title: "Test Doc", Body: "# Test\nContent"})
+	})
+
+	mux.HandleFunc("PUT /v1/documents/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		var req struct {
+			Title string `json:"title"`
+			Body  string `json:"body"`
+		}
+		_ = json.NewDecoder(r.Body).Decode(&req)
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(client.Document{ID: 1, Slug: slug, Title: req.Title, Body: req.Body, PushedBy: "admin"})
+	})
+
+	mux.HandleFunc("DELETE /v1/documents/{slug}", func(w http.ResponseWriter, r *http.Request) {
+		slug := r.PathValue("slug")
+		if slug == "missing" {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		w.WriteHeader(http.StatusNoContent)
+	})
+
+	ts := httptest.NewServer(mux)
+	t.Cleanup(ts.Close)
+	return client.New(ts.URL, "test-token", client.WithHTTPClient(ts.Client()))
+}
+
+func TestPushDocumentHandler(t *testing.T) {
+	c := testClient(t)
+	handler := pushDocumentHandler(c)
+
+	result, err := handler(context.Background(), mcp.CallToolRequest{
+		Params: mcp.CallToolParams{
+			Name:      "push_document",
+			Arguments: map[string]any{"slug": "test-doc", "title": "Test", "body": "# Test\nContent"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("push handler: %v", err)
+	}
+	if result.IsError {
+		t.Fatalf("unexpected tool error: %v", result.Content)
+	}
+	text := result.Content[0].(mcp.TextContent).Text
+	if !strings.Contains(text, "test-doc") {
+		t.Fatalf("expected slug in response, got: %s", text)
+	}
+}
+
+func TestListDocumentsHandler(t *testing.T) {
+	c := testClient(t)
+	handler := listDocumentsHandler(c)
+
+	result, err := handler(context.Background(), mcp.CallToolRequest{})
+	if err != nil {
+		t.Fatalf("list handler: %v", err)
+	}
+	if result.IsError {
+		t.Fatalf("unexpected tool error: %v", result.Content)
+	}
+	text := result.Content[0].(mcp.TextContent).Text
+	if !strings.Contains(text, "doc-1") {
+		t.Fatalf("expected doc slug in response, got: %s", text)
+	}
+}
+
+func TestGetDocumentHandler(t *testing.T) {
+	c := testClient(t)
+	handler := getDocumentHandler(c)
+
+	result, err := handler(context.Background(), mcp.CallToolRequest{
+		Params: mcp.CallToolParams{
+			Name:      "get_document",
+			Arguments: map[string]any{"slug": "test-doc"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("get handler: %v", err)
+	}
+	if result.IsError {
+		t.Fatalf("unexpected tool error: %v", result.Content)
+	}
+	text := result.Content[0].(mcp.TextContent).Text
+	if !strings.Contains(text, "# Test") {
+		t.Fatalf("expected markdown body, got: %s", text)
+	}
+}
+
+func TestDeleteDocumentHandler(t *testing.T) {
+	c := testClient(t)
+	handler := deleteDocumentHandler(c)
+
+	result, err := handler(context.Background(), mcp.CallToolRequest{
+		Params: mcp.CallToolParams{
+			Name:      "delete_document",
+			Arguments: map[string]any{"slug": "test-doc"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("delete handler: %v", err)
+	}
+	if result.IsError {
+		t.Fatalf("unexpected tool error: %v", result.Content)
+	}
+	text := result.Content[0].(mcp.TextContent).Text
+	if !strings.Contains(text, "Deleted") {
+		t.Fatalf("expected deletion confirmation, got: %s", text)
+	}
+}
+
+func TestDeleteDocumentNotFound(t *testing.T) {
+	c := testClient(t)
+	handler := deleteDocumentHandler(c)
+
+	result, err := handler(context.Background(), mcp.CallToolRequest{
+		Params: mcp.CallToolParams{
+			Name:      "delete_document",
+			Arguments: map[string]any{"slug": "missing"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("delete handler: %v", err)
+	}
+	if !result.IsError {
+		t.Fatal("expected tool error for missing document")
+	}
+}
+
+func TestNewCreatesServer(t *testing.T) {
+	c := testClient(t)
+	s := New(c, "test")
+	if s == nil {
+		t.Fatal("expected non-nil server")
+	}
+}

internal/webserver/server.go

@@ -70,6 +70,7 @@ func (s *Server) RegisterRoutes(r chi.Router) {
 		r.Get("/d/{slug}", s.handleRead)
 		r.Post("/d/{slug}/read", s.handleMarkRead)
 		r.Post("/d/{slug}/unread", s.handleMarkUnread)
+		r.Post("/d/{slug}/delete", s.handleDelete)
 		r.Post("/logout", s.handleLogout)
 	})
 }
@@ -176,3 +177,11 @@ func (s *Server) handleMarkUnread(w http.ResponseWriter, r *http.Request) {
 	}
 	http.Redirect(w, r, "/", http.StatusFound)
 }
+
+func (s *Server) handleDelete(w http.ResponseWriter, r *http.Request) {
+	slug := chi.URLParam(r, "slug")
+	if err := s.db.DeleteDocument(slug); err != nil {
+		s.logger.Error("failed to delete document", "slug", slug, "error", err)
+	}
+	http.Redirect(w, r, "/", http.StatusFound)
+}

web/static/style.css

@@ -252,6 +252,14 @@ button:hover, .btn:hover {
   padding: 0.1875rem 0.625rem;
   font-size: 0.75rem;
 }
+.btn-danger {
+  color: var(--accent);
+  border-color: var(--accent);
+}
+.btn-danger:hover {
+  background: var(--accent);
+  color: var(--bg);
+}
 
 /* ===========================
    Forms

web/templates/list.html

@@ -1,6 +1,6 @@
 {{define "title"}} — Queue{{end}}
 {{define "content"}}
-<h2>Reading Queue</h2>
+<h2>Metacircular Reading Queue</h2>
 {{if not .Documents}}
 <div class="card">
     <p>No documents in queue.</p>

web/templates/login.html

@@ -3,7 +3,7 @@
 {{define "content"}}
 <div class="auth-header">
     <div class="brand">mcq</div>
-    <div class="tagline">Reading Queue</div>
+    <div class="tagline">Metacircular Reading Queue</div>
 </div>
 <div class="card">
     {{if .Error}}<div class="error">{{.Error}}</div>{{end}}

web/templates/read.html

@@ -18,6 +18,11 @@
             <button type="submit" class="btn-ghost btn btn-sm">Mark read</button>
         </form>
         {{end}}
+        <form method="POST" action="/d/{{.Doc.Slug}}/delete" style="display:inline"
+              onsubmit="return confirm('Delete this document?')">
+            {{csrfField}}
+            <button type="submit" class="btn-ghost btn btn-sm btn-danger">Unqueue</button>
+        </form>
         <a href="/" class="btn-ghost btn btn-sm">Back to queue</a>
     </div>
 </div>