Clay MCP server: setup, auth, tools

Data Enrichment & Orchestration · remote · Up · auth · verified 2026-10-15

Endpoint
https://api.clay.com/v3/mcp
Transport
Streamable HTTP
Auth
OAuth 2.0 with DCR + PKCE
Docs
Official documentation

What you can do

Setup notes

University docs list endpoint; unauth POST returned HTTP 401 OAuth challenge.

StackMCP does not proxy vendor MCP traffic. Add the endpoint in Claude, Cursor, ChatGPT, or another MCP client and complete the vendor’s auth flow.

Open vendor docs Back to matrix