BeaconBay/ck

Health v2 · maintenance only

Adoption not part of the score

1739 stars · 74 forks observed · 2026-10-08

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

ck is a grep-compatible code search tool written in Rust that combines traditional BM25/regex search with local embedding-based semantic search and hybrid rank fusion. It runs entirely offline, includes an interactive TUI, a VSCode/Cursor extension, and a built-in MCP server for AI agent integration.

Use cases

• search code by meaning instead of exact keywords
• find error handling patterns without matching literal strings
• grep-compatible replacement with semantic fallback
• give AI coding agents fast local code search via MCP
• interactively explore a codebase in a terminal UI
• index a large codebase locally without sending code to the cloud

When to choose

• you want grep-like search that also understands concepts and synonyms
• you need fully offline, privacy-preserving code search
• you want to wire semantic code search into Claude Desktop, Cursor, or other MCP clients
• you work in the terminal and want a TUI for exploring code

When to avoid

• you only need exact regex matching and want zero index overhead
• you need cloud-hosted or team-shared code search
• your environment cannot run a local embedding model

Facets

cli-tool · maturity active

search-engine cli mcp terminal-ui rag developer-tools artificial-intelligence cli cross-platform rust editor-plugin semantic-search grep bm25 hybrid-search embeddings code-search offline vscode-extension command-line search ai-agents

Member repositories

For agents

markdown · JSON · MCP: product_card(name="BeaconBay/ck")