Attaché for Claude.ai
cloud.attache/attache
Small-business CRM: customers, deals, quotes, invoices, follow-ups and files.
client:Claude.ai
transport:streamable-http
Install Attaché in Claude.ai
Settings → Connectors → Add custom connector
https://{workspace}.attache.cloud/api/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