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Because OpenFinance MCP runs over Streamable HTTP, it works directly with Claude.ai’s custom connectors.
1

Open Connectors settings

Open Claude.ai → Settings → Connectors.
2

Add custom connector

Click Add custom connector.
3

Fill in the details

  • Name: OpenFinance
  • URL: https://api.openfinance.tech/agent/mcp
  • Custom header (only if you need wallet tools): name x-api-key, value open_xxxxx
4

Save and enable

Click Add. Open any chat and click the tools menu. OpenFinance should appear, toggle it on for the conversation.
Custom connectors are available on Pro, Max, Team, and Enterprise plans. Skills installed via npx skills add only apply to local editors, not Claude.ai web.