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Show HN: Conduct, open-source guardrails for LLM and MCP tool calls
- sudhendra1 1mo agoI built this after getting paged one time too many for an agent that leaked a Slack token to Claude. It's an OpenAI-compatible proxy plus MCP-tool hooks that block credentials, prompt injection, and out-of-policy tool calls before they hit the provider. Every call is hash-chained so you can prove what the agent actually did. Curious what breaks first for people — happy to debug live.
- kernelpanic0x11 1mo ago[flagged]
- sigy 1mo agoIf you want something much lighter, and focused around harness tool calls, check this out: https://crates.io/crates/coding-tools https://crates.io/crates/coding-tools
- sudhendra1 1mo ago[flagged]
- trsthales 1mo ago[flagged]
- rob_b 1mo agoAnother example of why vibe coding is the worst advancement ever.
- LuD1161 1mo agoI've been working on something similar , policy guardrails for coding agents, with OPA backed policies and os-native sandbox - https://github.com/LuD1161/agentjail https://github.com/LuD1161/agentjail
- nikhilpareek13 1mo ago[dead]
- felixlu2026 1mo ago[dead]
- cjzhao 1mo ago[flagged]
- HeavisideSoluti 28d ago[flagged]
- Sky_Joy3 27d ago[flagged]