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mcp/harbor
Verified official

Fermat MCP

v0.3.0

xyz.phase.ai/gateway

OpenAI-compatible LLM gateway: pay per request with an API key, signed receipt for each call.

transport:streamable-http tools:7
Website

Target client

run in your project directory 

claude mcp add --transport http gateway https://mcp.fermat.ai.phase.xyz/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

chat

chat

embed

embed

key

key

list_models Read-only

list models

quote

quote

receipt

receipt

session

session

All 7 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.