Billy MCP by usefulapi for Claude.ai

io.usefulapi/billy

Read Billy invoices, bills, contacts, products and postings; create contacts and draft invoices.

client:Claude.ai transport:streamable-http tools:15

Install Billy MCP by usefulapi in Claude.ai

Settings → Connectors → Add custom connector

https://billy.usefulapi.io/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

billy_get_organization
billy_list_contacts
billy_get_contact
billy_list_invoices
billy_get_invoice
billy_list_bills
billy_get_bill
billy_list_products
billy_get_product
billy_list_accounts
billy_list_tax_rates
billy_list_bank_lines
billy_list_postings
billy_create_contact
billy_create_draft_invoice

Billy MCP by usefulapi in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Billy MCP by usefulapi MCP server