codesynapse

What it does

codesynapse indexes your codebase into a real code graph — callers, callees, class hierarchies, trait implementations — then exposes it as 32 MCP tools. Instead of grepping files, your AI traces actual call chains. Hybrid BM25 + dense embeddings (local, no API key) finds the right code even when the function name has nothing to do with the query. Works with Claude Code, Cursor, Windsurf, Kiro. Rust binary, ~10MB. Fully local — no data leaves your machine.

MCP server for code intelligence - maps source code into a knowledge graph so AI tools understand architecture, not just files. Built in Rust. - sohilladhani/codesynapse

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  Hi all! I normally work on the PyTorch project but I've been on baby leave for the past month, so I've been playing around with AI as a user rather than a framework implementor. I really liked the agent experience with Claude Code, but I couldn't really justify spending so many dollars on API costs for random side projects. I already pay for a Claude Pro subscription though, and it turns out you can simulate many of Claude Code's features with an MCP. If you have a Pro subscription, check this out! I think it really captures the Claude Code experience quite well, without forcing you to pay…

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  Basin MCP2025 · mcp.basin.ai · ▲168

  tl;dr - try Basin AI with Cursor/Windsurf, instruction here (https://mcp.basin.ai), and use API key hackernews to gain access. Hey HN — I’m Henry, co-founder of Basin, and I wanted to share something we’ve been working on called Basin MCP, a kind of QA infrastructure for AI coding copilots like Cursor, Windsurf, etc. We built Basin because we kept noticing the same thing: agentic coding tools are great at generating code, but have no idea if the thing they built actually works — or even matches the original intent, and so they're prong to hallucinations. Basically, they have…

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  CodeRLM – Tree-sitter-backed code indexing for LLM agentsFeb 2026 · github.com · ▲81

  I've been building a tool that changes how LLM coding agents explore codebases, and I wanted to share it along with some early observations. Typically claude code globs directories, greps for patterns, and reads files with minimal guidance. It works in kind of the same way you'd learn to navigate a city by walking every street. You'll eventually build a mental map, but claude never does - at least not any that persists across different contexts. The Recursive Language Models paper from Zhang, Kraska, and Khattab at MIT CSAIL introduced a cleaner framing. Instead of cramming everything into…

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  Graphicle, a Rust port of Graphify with memory for coding agents8d ago · github.com · ▲48

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  Free local security checks for AI coding in VSCode, Cursor and Windsurf2025 · ▲43

  Hi HN! We just launched Codacy Guardrails, an IDE extension with a CLI for code analysis and MCP server that enforces security & quality rules on AI-generated code in real-time. It hooks into AI coding assistants (like VS Code Agent Mode, Cursor, Windsurf), silently scanning and fixing AI-suggested code that has vulnerabilities or violates your coding standards, while the code it’s being generated. We built this because coding agents can be a double-edged sword. They do boost productivity, but can easily introduce insecure or non-compliant code. One recent research team at NYU found that 40%…

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