ck (seek): A Local-First Semantic Code Search Tool Using Hybrid BM25 and AI Understanding
By
Runonthespot
Pulled from the oven just right. Trustworthy, fact-dense, deeply satisfying.
Summary
ck (seek) is an open-source, local-first semantic and hybrid BM25 grep/search tool designed for both AI agents and human developers. It goes beyond keyword matching by understanding code semantics — searching for concepts like "error handling" and finding relevant try/catch blocks, error returns, and exception handling code even without exact keyword matches. The tool supports AI agent integration via MCP Server (compatible with Claude Desktop, Cursor, etc.), offers local-first operation for privacy, and provides hybrid search combining semantic understanding with traditional BM25 text matching.
Key quotes
· 3 pulledck (seek) finds code by meaning, not just keywords.
It's grep that understands what you're looking for — search for 'error handling' and find try/catch blocks, error returns, and exception handling code even when those exact words aren't present.
Connect ck directly to Claude Desktop, Cursor, or any MCP-compatible AI client for seamless code search integration.
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