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CodeWiki MCP Server

CodeWiki MCP Server

by Cloudmeru
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Python
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CodeWiki MCP Server

An MCP server that brings Google CodeWiki into your editor. Query any GitHub, GitLab, or Bitbucket repository and get AI-generated answers about the codebase — powered by Gemini.

Documentation · Release Notes · PyPI

Sample Conversation

Related MCP server: MCP Codebase Index

Quick Start

pip install codewiki-mcp
playwright install chromium

Client Setup

VS Code

Open Command Palette (Ctrl+Shift+P) → MCP: Add Server → Command (stdio) → enter codewiki-mcp.

Or add to .vscode/mcp.json:

{
  "servers": {
    "codewiki-mcp": {
      "type": "stdio",
      "command": "codewiki-mcp"
    }
  }
}

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "codewiki": {
      "command": "codewiki-mcp"
    }
  }
}

Docker

docker build -t codewiki-mcp .
docker run -it --rm codewiki-mcp

Tools

Tool

Description

codewiki_list_topics

Topics overview with previews

codewiki_read_structure

JSON table of contents

codewiki_read_contents

Full or section-specific docs (paginated)

codewiki_search_wiki

Gemini-powered Q&A chat

codewiki_request_indexing

Submit unindexed repos for indexing

All tools accept repo_url as a full URL or owner/repo shorthand.

Documentation

Configuration, architecture, agentic AI guides, and more — see the full documentation.

License

MIT

Available Tools

5 tools
codewiki_list_topicsA

Retrieve the overview / available topics for a repository from Google CodeWiki.

Use this to discover what CodeWiki knows about a repo before asking specific questions with codewiki_search_wiki.

Returns section titles with short content previews (not the full page). For detailed content, call codewiki_read_contents with a section title.

Response size: typically 5–30 KB depending on the repository. Cached for 30 minutes — repeated calls for the same repo are instant.

Rate limit: max 10 calls per 60 s per repo URL. Duplicate concurrent calls are automatically deduplicated.

Args: repo_url: Full repository URL (e.g. https://github.com/microsoft/vscode-copilot-chat) or shorthand owner/repo (e.g. microsoft/vscode-copilot-chat). Bare keywords (e.g. 'vue') are auto-resolved with interactive disambiguation.

Inputs: repo_url (required). Returns: result

codewiki_read_contentsA

View documentation about a GitHub repository from Google CodeWiki.

Without section_title, returns the full wiki content (may be truncated). With section_title, returns just that section's content.

Use codewiki_read_structure first to see available sections.

Pagination (when section_title is empty):

  • offset — section index to start from (default 0).

  • limit — max sections per response (default 5). The response includes has_more and next_offset when more sections are available, so you can call again to continue.

Response size: 2–10 KB per section, 5–30 KB for paginated full page. Cached for 5 minutes — repeated calls are instant.

Rate limit: max 10 calls per 60 s per repo URL. Duplicate concurrent calls are automatically deduplicated.

Args: repo_url: Full repository URL (e.g. https://github.com/facebook/react) or shorthand owner/repo (e.g. facebook/react). Bare keywords (e.g. 'react') are auto-resolved with interactive disambiguation. section_title: Optional. Title (or partial title) of a specific section to retrieve. If empty, returns the full wiki. offset: Section index to start from (0-based, default 0). limit: Maximum sections to return (default 5, max 50).

Inputs: repo_url (required), limit, offset, section_title. Returns: result

codewiki_read_structureA

Get a list of documentation topics for a repository from Google CodeWiki.

Returns the table of contents / section structure as a JSON list so you can choose which sections to read with codewiki_read_contents.

Recommended first step — call this before codewiki_read_contents or codewiki_list_topics to discover available sections without consuming many tokens.

Response size: typically 1–3 KB (lightweight JSON). Cached for 5 minutes — repeated calls are instant.

Rate limit: max 10 calls per 60 s per repo URL. Duplicate concurrent calls are automatically deduplicated.

Args: repo_url: Full repository URL (e.g. https://github.com/facebook/react) or shorthand owner/repo (e.g. facebook/react). Bare keywords (e.g. 'react') are auto-resolved with interactive disambiguation.

Inputs: repo_url (required). Returns: result

codewiki_request_indexingA

Request Google CodeWiki to index a repository that is not yet available.

Use this tool when codewiki_list_topics or codewiki_read_structure returns a NOT_INDEXED error, indicating the repository has no CodeWiki documentation yet.

This tool will:

  1. Search for the repository on CodeWiki.

  2. Click "Request repository" to open the submission dialog.

  3. Fill in the GitHub URL and submit the request.

  4. Return confirmation and next-step guidance.

Note: Google CodeWiki reviews requests and indexes repositories based on popularity and demand. There is no guaranteed timeline.

Args: repo_url: Full repository URL (e.g. https://github.com/owner/repo) or shorthand owner/repo (e.g. owner/repo). Bare keywords (e.g. 'vue') are auto-resolved with interactive disambiguation.

Inputs: repo_url (required). Returns: result

codewiki_search_wikiA

Ask Google CodeWiki a question about an open-source repository.

This uses the interactive chat feature powered by Gemini. For reading wiki content directly, use codewiki_read_contents instead.

Results are cached for 2 minutes — repeated identical queries are instant.

Response size: typically 0.5–5 KB depending on the answer.

Rate limit: max 10 calls per 60 s per repo URL.

Args: repo_url: Full repository URL (e.g. https://github.com/microsoft/vscode-copilot-chat) or shorthand owner/repo (e.g. microsoft/vscode-copilot-chat). Bare keywords (e.g. 'vue') are auto-resolved with interactive disambiguation. query: The question to ask (required).

Inputs: repo_url (required), query. Returns: result

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
    One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

    TDQS

    A4.9/5.0

    Scored across 5 tools

    Disambiguation4/5

    The tool purposes are mostly distinct, but `codewiki_list_topics` and `codewiki_read_structure` both return structural information, which could initially confuse an agent without careful reading of descriptions.

    Naming Consistency5/5

    All tools follow a consistent `codewiki_verb_noun` pattern in snake_case, making the naming predictable and easy to understand.

    Tool Count5/5

    With 5 tools covering discovery, reading, searching, and indexing requests, the count is well-scoped for the server's documentation-focused purpose.

    Completeness5/5

    The tool set covers all essential operations for a read-only documentation server: overview, structure, content retrieval, search, and handling missing repositories.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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