Connect apps to Claude with Arc0 MCP

Sign in to Arc0 and connect an available app in My apps. Early-access apps require enablement for your organization. Authorize Claude separately so it can use the tools and accounts allowed for your identity.

claude mcp add --transport http --scope user arc0 https://api.arc0.ai/mcp

Start with a read: ask the agent to find the tool, load its schema and execute against the intended account. Check Activity for the receipt before trying a write.

Apps for Claude

1 available, 123 early access, 1405 coming soon, 1 in private preview. Available and early-access apps appear first; coming-soon apps are not callable yet.