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Runtime behavior evidence and attestation - security enhancement for MCP integration #6940
Description
Summary
As MCP (Model Context Protocol) integration becomes more common in AI applications, there is a growing need for runtime behavior evidence collection — enabling verifiable attestations of agent actions taken through MCP tool calls.
Motivation
- Auditability — operators need to verify what actions agents actually performed
- Accountability — a tamper-evident record of tool calls and their outcomes
- Compliance — regulatory frameworks increasingly require evidence of AI system behavior
- Supply chain integrity — connecting agent actions to verifiable provenance chains
Open-Source Reference Implementations
We have published four MIT-licensed packages that address this:
| Package | Role | Links |
|---|---|---|
| ccs-verifier | Capability contract verification | GitHub · npm |
| agent-runtime-guard | Runtime policy enforcement guard | GitHub · npm |
| signed-receipt | SCITT-style signed receipt generation (RFC 9334) | GitHub · npm |
| correctover-guard-reference | Complete reference guard pipeline | GitHub · npm |
Design Notes
- Aligned with RFC 9334 (SCITT - Supply Chain Integrity, Transparency and Trust)
- Generates signed receipts that can be independently verified
- Works alongside existing MCP implementations without protocol modifications
- All packages are MIT-licensed and available on npm
This is relevant to any application integrating MCP for tool use, as it provides a security and auditability layer for agent actions.
Happy to discuss how this could be relevant to NextChat MCP integration.
Activity