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Codeseeker

jghiringhelli/codeseeker

This is a semantic code search engine that fuses BM25 keyword matching with vector embeddings and adds a knowledge graph on top. It exposes three MCP tools: search (with hybrid, vector-only, and full-text modes), analyze (for dependency traversal, coding standards detection, duplicate code, and dead code), and index. The search layer uses reciprocal rank fusion and includes RAPTOR directory summaries that automatically scope queries to relevant subdirectories. Graph expansion follows import, call, and extends edges to surface structurally related files even when they don't match the query text. Works with Claude Desktop, VS Code Copilot, and Cursor. Best for projects where you need AI assistants to understand architectural relationships, not just grep for strings.

GitHub stars
21
tool
1
transport
STDIO
last updated
Sep 22, 2026
View on GitHub

Tools

1 tools

Public tool metadata for what this MCP can expose to an agent.

codeseekerSingle MCP tool providing four-layer hybrid search and knowledge graph over the codebase, invoked with action and index parameters.

Single MCP tool providing four-layer hybrid search and knowledge graph over the codebase, invoked with action and index parameters.

No parameter schema in public metadata yet.

Sponsors

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Readme

CodeSeeker

Four-layer hybrid search and knowledge graph for AI coding assistants.
BM25 + vector embeddings + RAPTOR directory summaries + graph expansion — fused into a single MCP tool that gives Claude, Copilot, and Cursor a real understanding of your codebase.

npm version License: Apache 2.0 TypeScript

Works with Claude Code, GitHub Copilot (VS Code 1.99+), Cursor, Windsurf, and Claude Desktop.
One command to index; the Claude Code plugin keeps it in sync from there.

Built by PragmaWorks as part of Generative Specification — the discipline for building software with AI that doesn't drift. Two sibling MCP servers compose with this one, each solving a different half of the same problem:

View the full README on GitHub

Details

Repository
github.com/jghiringhelli/codeseeker
Website
github.com/jghiringhelli/codeseeker
Categories
Documents & Knowledge, Search & Web Crawling
Package
codeseeker
Transport
STDIO
Registry
MCP registry, active

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