MCP Server 'Nervous System' Adds Safety Rules and Audit Trails to Autonomous AI Agents

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A new open-source tool called the Nervous System is an MCP server designed to impose enforceable behavioral constraints on autonomous LLM agents. It addresses common failure modes such as lost session context, unauthorized file edits, and irreversible actions by providing mechanically enforced rules rather than mere prompt-based suggestions. Key features include preflight checks before file edits, session handoff logging, a hash-chained audit trail, and a kill switch for destructive actions. A read-only public package is available via npm and can be added to any MCP client, while a hosted version with a fuller toolset has reportedly been running in production for several months. Individual audit functions are also accessible on a pay-per-call basis using USDC on Base for CI and agent-to-agent pipeline use cases.

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