LocalFree

Jamjet Policy MCP server

jamjet-labs/jamjet-policy/mcp-shim

MCP interceptor that applies one YAML policy (block, require approval, audit, budget cap) to tool calls, also usable in Claude Code hooks and agent SDKs.

2 GitHub stars
Source code

Install Jamjet Policy in Claude Code

This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:

Claude Code
claude mcp add jamjet-policy -- <command to start the server>

Frequently asked questions

What does the Jamjet Policy MCP server do?

MCP interceptor that applies one YAML policy (block, require approval, audit, budget cap) to tool calls, also usable in Claude Code hooks and agent SDKs.

Is the Jamjet Policy MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Jamjet Policy run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Jamjet Policy to Claude Code?

Follow the install steps in the project's README at https://github.com/jamjet-labs/jamjet-policy/tree/main/packages/mcp-shim, then register it with "claude mcp add".

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