ERPNext open source ERP MCP server: create sales invoice, submit invoice, create payment entry.
Streamable HTTP
https://cotlet.dev/mcp/v1/erpnext/connectclaude mcp add --transport http erpnext https://cotlet.dev/mcp/v1/erpnext/connectStreamable HTTP
https://cotlet.dev/mcp/v1/erpnextclaude mcp add --transport http erpnext https://cotlet.dev/mcp/v1/erpnextThis server publishes no installable package.