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worldnine

Scrapbox Cosense MCP Server

by worldnine

scrapbox-cosense-mcp

日本語ドキュメント / Japanese

Overview

MCP server for Cosense (formerly Scrapbox).

Tool

Description

Auth Required

get_page

Get page content, metadata, and links

For private projects

list_pages

Browse pages with sorting and pagination (max 1000)

For private projects

search_pages

Full-text search with keyword highlighting (max 100 results)

For private projects

create_page

Create a page via WebSocket API with Markdown/Scrapbox body

Yes

get_page_url

Generate direct URL for a page

No

insert_lines

Insert text after a specified line in a page

Yes

get_smart_context

Get a page and its linked pages (1-hop/2-hop) in AI-optimized format

Yes

create_page and insert_lines support a format parameter ("markdown" or "scrapbox") to control content conversion.

Related MCP server: Notion MCP Server

Quick Start

Desktop Extension (.mcpb) — Easiest

  1. Download scrapbox-cosense-mcp.mcpb from GitHub Releases

  2. Double-click — Claude Desktop opens an install dialog

  3. Enter your project name (and Session ID for private projects)

Claude Code Plugin

  1. Add the marketplace:

    /plugin marketplace add worldnine/scrapbox-cosense-mcp
  2. Install the plugin:

    /plugin install scrapbox-cosense@worldnine-scrapbox-cosense-mcp

    Installs globally by default. Use --scope project or --scope local for other scopes.

  3. Set environment variables in your settings file:

    {
      "env": {
        "COSENSE_PROJECT_NAME": "your_project_name",
        "COSENSE_SID": "your_sid"
      }
    }

    File

    Scope

    ~/.claude/settings.json

    All projects (global)

    .claude/settings.local.json

    This project only (gitignored)

The plugin includes MCP server configuration and a /cosense skill for CLI operations.

Claude Code (Manual MCP Setup)

If you prefer manual configuration over the plugin:

claude mcp add scrapbox-cosense-mcp \
  -e COSENSE_PROJECT_NAME=your_project \
  -e COSENSE_SID=your_sid \
  -- npx -y scrapbox-cosense-mcp

Claude Desktop / Other MCP Clients

Add to your config file:

Client

Config File

Claude Desktop (macOS)

~/Library/Application Support/Claude/claude_desktop_config.json

Claude Desktop (Windows)

%APPDATA%/Claude/claude_desktop_config.json

Cursor

.cursor/mcp.json (project root)

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "scrapbox-cosense-mcp": {
      "command": "npx",
      "args": ["-y", "scrapbox-cosense-mcp"],
      "env": {
        "COSENSE_PROJECT_NAME": "your_project_name",
        "COSENSE_SID": "your_sid"
      }
    }
  }
}

Build from Source

git clone https://github.com/worldnine/scrapbox-cosense-mcp.git
cd scrapbox-cosense-mcp
npm install && npm run build

Configuration

Required

Variable

Description

COSENSE_PROJECT_NAME

Your Scrapbox/Cosense project name

COSENSE_SID

Session ID (connect.sid cookie) for private projects — How to get it

Optional

Variable

Default

Description

API_DOMAIN

scrapbox.io

API domain

SERVICE_LABEL

cosense (scrapbox)

Display name in tool descriptions

COSENSE_PAGE_LIMIT

100

Initial page fetch limit (1–1000)

COSENSE_SORT_METHOD

updated

Initial sort: updated, created, accessed, linked, views, title

COSENSE_TOOL_SUFFIX

Tool name suffix for multiple instances (e.g. mainget_page_main)

COSENSE_CONVERT_NUMBERED_LISTS

false

Convert numbered lists to bullet lists in Markdown conversion

COSENSE_EXCLUDE_PINNED

false

Exclude pinned pages from initial resource list

CLI Usage

The same binary also works as a standalone CLI:

scrapbox-cosense-mcp get "Page Title"
scrapbox-cosense-mcp search "keyword"
scrapbox-cosense-mcp list --sort=updated --limit=20
scrapbox-cosense-mcp create "New Page" --body="Markdown content"
scrapbox-cosense-mcp insert "Page" --after="target line" --text="new text"
scrapbox-cosense-mcp url "Page Title"

Flag

Description

--compact

Token-efficient compact output (recommended for AI agents)

--project=NAME

Override project name

--json

Output as JSON

--help

Show help (supports <command> --help for details)

Multiple Projects

All tools accept an optional projectName parameter to target a different project from a single server. For multiple private projects with different credentials, run separate server instances with COSENSE_TOOL_SUFFIX.

See docs/multiple-projects.md for detailed configuration examples.

Development

Command

Description

npm run build

Build (TypeScript → JavaScript)

npm run watch

Auto-rebuild during development

npm test

Run test suite

npm run lint

Run ESLint

npm run inspector

Debug with MCP Inspector

Contributing

  1. Create a feature branch from main

  2. Add tests for your changes

  3. Run npm run lint && npm test

  4. Create a pull request — CI runs automatically

License

MIT


Install Server
A
license - permissive license
A
quality
C
maintenance

Maintenance

Maintainers
61dResponse time
5dRelease cycle
9Releases (12mo)
Commit activity
Issues opened vs closed

Resources

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