Connection check
verified live · 27h ago
litmus
Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.
Tools
3
GitHub stars
8
Installs / wk
—
Licence
Apache-2.0
Transport
streamable-http, stdio
Last checked
27h ago
Tools & capabilities
3 toolsRead from the running server on 27h ago.
check_server
read-only
server_ref*
Read a server's published behavioral grade (A-F) from polygraph.so in under a second; no execution. The pre-flight check before recommending or installing an MCP server. On a miss… Read a server's published behavioral grade (A-F) from polygraph.so in under a second; no execution. The pre-flight check before recommending or installing an MCP server. On a miss it returns not_available (unevaluated: neither safe nor unsafe) with next steps.
list_servers
read-only
gradelimitoffset
Servers with a published polygraph grade, sorted A-first then by ref. Returns up to `limit` rows starting at `offset` (default limit 25, capped at 100 per call); `grade` restricts… Servers with a published polygraph grade, sorted A-first then by ref. Returns up to `limit` rows starting at `offset` (default limit 25, capped at 100 per call); `grade` restricts to one letter. `summary` always covers the full graded corpus (a total plus a count per grade), regardless of `grade`, `limit`, or `offset`.
request_grade
server_ref*