tomohiro-owada/devrag

Overview

A Go-based MCP server that enables natural language search over markdown files using multilingual-e5-small embeddings. Designed for use with Claude Code, it allows querying markdown documentation or notes via vector similarity.

Best for

Best for
Developers using Claude Code who need semantic search over their markdown documentation

Use cases

• Searching local markdown documentation with natural language queries
• Retrieving relevant notes from a personal knowledge base in Claude Code
• Indexing project markdown files for semantic search

Notes

A Go-based MCP server that enables natural language search over markdown files using multilingual-e5-small embeddings. Designed for use with Claude Code, it allows querying markdown documentation or notes via vector similarity.

59 stars on GitHub. Last updated 2026-04-15.

Use cases

• Searching local markdown documentation with natural language queries
• Retrieving relevant notes from a personal knowledge base in Claude Code
• Indexing project markdown files for semantic search

Pros

• Lightweight Go implementation with no external dependencies beyond the MCP protocol
• Uses multilingual embeddings for cross-language support
• Simple setup as an MCP server for Claude Code

Cons

• Limited to markdown files only, no support for other document formats
• Requires Claude Code to function as an MCP client
• Small community and limited documentation due to low star count

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.