billy_list_contacts — Billy MCP by usefulapi MCP Tool
billy_list_contacts
(billy list contacts) is one of 15 tools on the
Billy MCP by usefulapi
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call billy_list_contacts from your client
- Claude Code Billy MCP by usefulapi billy_list_contacts run in your project directory
- Claude Desktop Billy MCP by usefulapi billy_list_contacts ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Billy MCP by usefulapi billy_list_contacts ~/.cursor/mcp.json
- VS Code Billy MCP by usefulapi billy_list_contacts .vscode/mcp.json
- Zed Billy MCP by usefulapi billy_list_contacts ~/.config/zed/settings.json
- Windsurf Billy MCP by usefulapi billy_list_contacts ~/.codeium/windsurf/mcp_config.json
- Cline Billy MCP by usefulapi billy_list_contacts ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Billy MCP by usefulapi billy_list_contacts ~/.gemini/settings.json
- Grok Billy MCP by usefulapi billy_list_contacts .mcp.json (in your project root)
- ChatGPT Billy MCP by usefulapi billy_list_contacts Settings → Connectors → Advanced → Developer mode
- Claude.ai Billy MCP by usefulapi billy_list_contacts Settings → Connectors → Add custom connector
- LangChain Billy MCP by usefulapi billy_list_contacts pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http billy https://billy.usefulapi.io/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 12 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.