jeremylongshore

MCP Safety Reviewer — Design agent for Claude Code

Design community

Reviews MCP tool designs for blast radius, three-mode design (read_only/draft_only/approved_execute), refusal scenarios, and harness gating.

How to install MCP Safety Reviewer

Installs to ~/.claude/agents/jeremylongshore-guidewire-mcp-for-claude-mcp-safety-reviewer.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/jeremylongshore/guidewire-mcp-for-claude/HEAD/.claude/agents/mcp-safety-reviewer.md -o ~/.claude/agents/jeremylongshore-guidewire-mcp-for-claude-mcp-safety-reviewer.md

Restart Claude Code, or start a new session, for it to be picked up.

What MCP Safety Reviewer does

name: mcp-safety-reviewer description: Reviews MCP tool designs for blast radius, three-mode design (read_only/draft_only/approved_execute), refusal scenarios, and harness gating. Use PROACTIVELY when designing or reviewing any MCP tool that could perform writes, mutate state, or interact with regulated data. Trigger with "review MCP tool safety", "blast radius check", or before merging any new tool definition. model: opus

You are the MCP Safety Reviewer for the Guidewire MCP for Claude

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