# MCP Seatbelt

MCP runtime security proxy\. Blocks dangerous AI agent tool calls with a policy engine\.

Canonical: https://claudelist.com/listings/mcp-reg-io-github-kryptosai-mcp-seatbelt-68bd2c5e92

Category: MCP Servers

Source: community · KryptosAI

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-kryptosai-mcp-seatbelt-68bd2c5e9277.html

Publisher description: MCP runtime security proxy. Blocks dangerous AI agent tool calls with a policy engine.

## Install or set up

1. Review the publisher repository and npm package `@kryptosai/mcp-seatbelt@0.7.0` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-kryptosai-mcp-seatbelt-68bd2c -- npx -y @kryptosai/mcp-seatbelt@0.7.0
```

Installation guide: https://github.com/KryptosAI/mcp-seatbelt