MCP conformance test harness. JSON-RPC, OAuth 2.1 PKCE, schemas, smoke, annotations. CLI + lib.
Runs locally over stdio
This server isn't hosted โ your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).
Run
npx -y mcp-protocol-conformance
MCP client config
{
"mcpServers": {
"mcp-protocol-conformance": {
"command": "npx",
"args": [
"-y",
"mcp-protocol-conformance"
]
}
}
}