code-search MCP servers & tools

gitmcp.io is a generic remote MCP server to connect to ANY GitHub repository or project for documentation

Official Microsoft Learn MCP Server – real-time, trusted docs & code samples for AI and LLMs.

Explore the Claude Code CLI source — browse tools, commands, search code, and more.

Semantic code retrieval over a graph of entities, relationships, changes, and provenance.

Code intelligence MCP server with 80+ tools for semantic code search, impact analysis, call graphs, ownership detection, and architectural understanding. Supports Go, TypeScript, Python, Rust, Java via SCIP indexing.

Advanced filesystem operations with large file handling capabilities and Claude-optimized features. Provides fast file reading/writing, sequential reading for large files, directory operations, file search, and streaming writes with backup & recovery.

Token-efficient code exploration via tree-sitter AST parsing. 70+ languages, 95%+ token savings.

Graph-powered code intelligence with semantic search and knowledge graph for AI assistants

Hybrid semantic and keyword code search for coding agents.

Semantic code indexer with GraphRAG knowledge graph. Index your codebase, search in natural language, and expose everything via MCP so AI agents understand architecture — not just files.

Index your codebase. AI searches instead of re-reading files. 94% token savings.

An implementation of Claude Code capabilities using MCP, enabling AI code understanding, modification, and project analysis with comprehensive tool support.

Fast semantic code search for AI agents — find symbols, references, and callers across any codebase

Semantic + structural code search MCP server for AI-native development.

Structured code intelligence for AI agents — semantic search, dependencies, impact analysis.

A semantic search engine for files and code — find files by describing what they do, not their names. Local reusable indexes, configurable embedding providers (OpenAI, Gemini, Voyage, any OpenAI-compatible API, or fully offline local models), AST-aware code chunking, optional reranking. uvx vexor mcp or pip install vexor.

GitHub MCP — wraps the GitHub public REST API (no auth required for public endpoints)

Auto-expose Rails app structure to AI via MCP. Zero config, 11 read-only tools.

MCP for semantic code search & navigation that reduces token waste

Indexes codebase into a local knowledge graph with 40+ AI tools and codebase-guard.

Semantic code search and analysis from CodeAlive for AI assistants and agents.

Ranked codebase search and static symbol navigation for coding agents.

Retrieval over the folder the session opened: files, search, read, code_pack, write_note.

MCP server for siGit (sigit.si): browse repos, search code, manage PRs/issues, web search.

Semantic code index that extracts domain concepts, naming conventions, and behavioral similarity from codebases. One tool call instead of 19, 20x fewer tokens for codebase understanding queries.

Fast local and federated OSS code search and repo discovery for AI agents

Ask any GitHub repository a question. Get source-backed answers.

Code intelligence for coding agents: semantic, AST, graph, and full-text search. 279+ languages.

Multi-language code intelligence MCP server: symbols, call graphs, references, semantic search.

Progressive on-demand access to .NET NuGet package source for AI coding agents.

Codebase indexing and search via WASM tree-sitter. Works on ARM64 and x86_64.

Task-aware local context packs for TypeScript/Node AI coding workflows.

Scoped memory for coding agents: picks the right project, answers in scope, or abstains.

Fast per-repo documentation indexer and full-text search MCP server for codebases.

Sourcegraph code search, semantic search, go-to-definition, find-references, and diff search.

Deterministic repo map, search and file reader for AI agents.

Local code search for agents: symbols, usages, call graph, AST patterns, grep and semantic search