Playbook

MCP Server Hardening Playbook

Practical controls for publishing reliable, safe MCP servers with predictable tool contracts.

Execution Checklist

  1. 1.Lock input schemas and enforce validation
  2. 2.Define guardrail rules before rollout
  3. 3.Audit extension permissions
  4. 4.Ship deterministic examples for each tool

Recommended Tools

MCP Server Starter Generator

Generate complete MCP server projects with tools, resources, and auth — TypeScript, Python, or Go

Agent Skill Validator

Validate skill definitions across OpenClaw, Claude, Codex, and MCP with portability scoring and exact fixes

AI Guardrail Rule Tester

Build and test AI guardrail rules with instant feedback — preset PII, injection, and safety patterns

Extension Guard

Scan Chrome extension permissions for security risks with risk scoring, dangerous combination detection, and plain-English explanations