
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
Streamable HTTP
https://polygraph.so/api/mcpclaude mcp add --transport http litmus https://polygraph.so/api/mcp@polygraphso/litmus · npm 0.36.0 · stdio
claude mcp add --transport stdio litmus -- npx -y @polygraphso/litmus@0.36.0