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mcp/harbor
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presign-guard MCP

v1.1.0

io.github.fizzl13/presign-guard

Pre-sign and token checks for agents: green/orange/red for EVM signatures and Solana/EVM tokens.

transport:streamable-http tools:5
View source Website

Target client

run in your project directory 

claude mcp add --transport http presign-guard https://presign-guard.onrender.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

presign_quick_check

presign quick check

token_quick_verdict

token quick verdict

presign_check

presign check

presign_check_explain

presign check explain

token_verdict

token verdict

All 5 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.