MCP OAuth client-interop conformance for Claude Code

com.textforagents/mcp-oauth-client-interop-conformance

Prove real MCP clients can connect: 5-client x 3-IdP OAuth matrix with shim fixes.

client:Claude Code transport:streamable-http tools:5

Install MCP OAuth client-interop conformance in Claude Code

run in your project directory

claude mcp add --transport http mcp-oauth-client-interop-conformance https://textforagents.com/products/mcp-oauth-client-interop-conformance/mcp

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