Carbon Arc

About Carbon Arc

Use Carbon Arc with your agent

claude mcp add --transport http carbon-arc https://mcp.carbonarc.ai

{
  "mcpServers": {
    "carbon-arc": {
      "url": "https://mcp.carbonarc.ai"
    }
  }
}

Frequently asked questions

What is Carbon Arc?

Carbon Arc is an MCP (Model Context Protocol) server by carbon-arc in the Autonomous Agents category. The infrastructure for the AI economy: primitives for inference, agents, and decisions.

How do I connect Carbon Arc to Claude, Cursor, or another MCP client?

Carbon Arc is a remote MCP server — add its endpoint (https://mcp.carbonarc.ai) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Carbon Arc open source?

Yes — the source code is public at github.com/carbon-arc/mcp.

Can AI agents pay to use Carbon Arc?

Not yet through Loomal — Carbon Arc is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.