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mcp/harbor
Verified official

Arc Research MCP

v1.0.0

com.getarcresearch/arc-research

Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.

transport:streamable-http
View source Website

Target client

run in your project directory 

claude mcp add --transport http arc-research https://www.getarcresearch.com/mcp

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.