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mcp/harbor
Verified official

ErdDocs MCP

v1.0.1

com.erddocs/erd-diagram

ER diagrams from SQL, Prisma or ORM models. One tool, no account, nothing stored.

transport:streamable-http tools:1
Website

Target client

run in your project directory 

claude mcp add --transport http erd-diagram https://erddocs.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

open_er_diagram

open er diagram

All 1 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.