generated: '2026-07-18'
method: searched
status: published
source: https://www.cumbuca.com/en/launchweek/of-data-mcp/
server:
  name: cumbuca-openfinance
  label: Open Finance Data MCP
  transport: http
  url: https://mcp.cumbuca.com/mcp
  description: 'Hosted, remote MCP server that connects a user''s Brazilian bank accounts to an AI assistant
    (Claude, ChatGPT, Cursor) through Open Finance. Exposes bank statement and credit-card transaction
    data for natural-language financial queries and export (e.g. "How much did I spend on food last month?").

    '
auth:
  type: oauth2
  protected_resource_metadata: https://mcp.cumbuca.com/.well-known/oauth-protected-resource
  authorization_server: https://idc.cumbuca.com/realms/cumbuca-mcp
  scopes_supported:
  - openid
  - profile
  - offline_access
  - open-finance
  mtls_bound_tokens: true
  end_user_auth: Open Finance consent via CPF + bank selection (biometric or banking PIN)
install:
  claude_desktop: Settings -> Connectors -> Add custom connector -> https://mcp.cumbuca.com/mcp
  claude_code: claude mcp add --transport http cumbuca https://mcp.cumbuca.com/mcp
  chatgpt: Developer Mode -> Connectors -> Create -> https://mcp.cumbuca.com/mcp
  config_json: "{\n  \"mcpServers\": {\n    \"cumbuca-openfinance\": { \"url\": \"https://mcp.cumbuca.com/mcp\"\
    \ }\n  }\n}\n"
limitations:
- One account at a time
- Only accounts matching the authenticated user's CPF
tools: []
notes: 'Verified live: POST https://mcp.cumbuca.com/mcp returns HTTP 401 with WWW-Authenticate: Bearer
  resource_metadata="https://mcp.cumbuca.com/.well-known/oauth-protected-resource" confirming a real,
  running, OAuth-protected MCP server.

  '
deployment:
  mode: remote
  endpoint: https://mcp.cumbuca.com/mcp
  verified: probed
  probe: gated
  checked: '2026-08-12'
  source: catalog MCP census