Show HN: Gen-system, parser facts about source code for local LLMs

Category: devtools

Tags: code-analysis, static-analysis, mcp, llm-tooling, go, cobol

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 8, Utility: 6)

gen-system parses source code across six languages (including COBOL) to produce deterministic, model-free facts about code changes—breakages, side effects, test coverage, and complexity—served via CLI, MCP, and a browser Studio. Its key innovation is combining hand-written parsers with an MCP interface to give local LLMs grounded, reproducible review facts instead of model guesses, backed by measurable accuracy claims against Go's type checker and GnuCOBOL.

Target audience: backend developers, legacy COBOL maintainers, AI coding agent users, devops

Repository: https://github.com/hpdkhoa/gen-system · Go · Apache-2.0 · 3 stars

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