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mcp/harbor
Verified official

Billy MCP by usefulapi MCP

v1.0.0

io.usefulapi/billy

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

transport:streamable-http tools:15
View source Website

Target client

run in your project directory 

claude mcp add --transport http billy https://billy.usefulapi.io/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

billy_get_organization

billy get organization

billy_list_contacts

billy list contacts

billy_get_contact

billy get contact

billy_list_invoices

billy list invoices

billy_get_invoice

billy get invoice

billy_list_bills

billy list bills

billy_get_bill

billy get bill

billy_list_products

billy list products

billy_get_product

billy get product

billy_list_accounts

billy list accounts

billy_list_tax_rates

billy list tax rates

billy_list_bank_lines

billy list bank lines

billy_list_postings

billy list postings

billy_create_contact

billy create contact

billy_create_draft_invoice

billy create draft invoice

All 15 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.