jamjet-policy
Drop-in stdio interceptor that gates MCP tools/call requests through a YAML policy (block / require_approval / audit / budget cap) before they reach the real server. The same policy file is reused by @jamjet/claude-code-hook and @jamjet/openai-guardrail, so one rule set covers Claude Desktop, Cursor, OpenAI Agents, and custom clients.
README
JamJet Policy
The portable policy layer for AI agent actions.
One policy file. One audit trail. Across hooks, guardrails, MCP gateways, SDKs, and custom runtimes.
Packages
@jamjet/claude-code-hook— JamJet policy as a Claude Code PreToolUse hook@jamjet/openai-guardrail— JamJet policy as an OpenAI Agents SDK guardrail@jamjet/mcp-shim— JamJet policy as an MCP stdio interceptor@jamjet/cli— Unifiedaudit show+approveacross all adapters
All four adapters share a single policy.yaml format and a single audit JSONL schema.
See conformance/ for the spec these adapters all satisfy.
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