Show HN: Marrow AI – a no-account seatbelt that stops force-pushes to main

Category: devtools

Tags: ai-safety, developer-tools, mcp, hooks, code-assistants

Score: 6.5/10 (Innovation: 6, Technical: 7, Documentation: 7, Utility: 6)

Marrow AI is a set of plugins for AI coding assistants (Claude Code, Cursor, Codex) that adds a 'seatbelt' to prevent risky operations like force-pushes or secret exposure without requiring an account. It combines hooks and an MCP server to enforce policies, with a keyless mode that blocks seven dangerous action types and writes local receipts. The project is interesting for its focus on safety and control in AI-assisted development workflows.

Target audience: developers using AI coding assistants, devops, security engineers

Repository: https://github.com/getmarrow/plugins · JavaScript · MIT

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