protect-mcp-setup
protect-mcp — Policy Enforcement + Signed Receipts
Cryptographic governance for every Claude Code tool call. Each invocation is evaluated against a Cedar policy and produces an Ed25519-signed receipt that anyone can verify offline.
Overview
Claude Code runs powerful tools: Bash, Edit, Write, WebFetch. By default
there is no audit trail, no policy enforcement, and no way to prove what was
decided after the fact. protect-mcp closes all three gaps:
- Cedar policies (AWS's open authorization engine) evaluate every tool call before execution. Cedar deny is authoritative.
- Ed25519 receipts record each decision with its inputs, the policy that governed it, and the outcome. Receipts are hash-chained.
- Offline verification via
npx @veritasacta/verify. No server, no account, no trust in the operator.
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