FaceRuler

com.faceruler/facerulerVersion 1.0.0

PSL score tiers, face shape classification and looksmaxxing term lookup from FaceRuler.

Status

Responds969 msNov 14, 2026, 13:56 UTCAnswered our handshake without sign-in.

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Streamable HTTP

https://faceruler.com/api/mcpResponds969 msNov 14, 2026, 13:56 UTC

No sign-in

claude mcp add --transport http faceruler https://faceruler.com/api/mcp

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Settings > Connectors > Add custom connector
Name: faceruler
Remote MCP server URL: https://faceruler.com/api/mcp

{
  "mcpServers": {
    "faceruler": {
      "url": "https://faceruler.com/api/mcp"
    }
  }
}

code --add-mcp '{"name":"faceruler","type":"http","url":"https://faceruler.com/api/mcp"}'

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4 tools

Tools of FaceRuler
	Description		Read-only	Idempotent	Open world
`classify_face_shape`Classify a face into one of 7 shapes (oval, round, square, oblong, heart, diamond, triangle) from three measured outline ratios, with a match % for every shape.	Classify a face into one of 7 shapes (oval, round, square, oblong, heart, diamond, triangle) from three measured outline ratios, with a match % for every shape.	Not declared	Yes	Not declared	No
`get_face_measurement_tool`Return the link to FaceRuler’s free on-device tool for measuring a real face from one photo (PSL score, face shape, canthal tilt or facial ratios). Use when the user wants their own face measured.	Return the link to FaceRuler’s free on-device tool for measuring a real face from one photo (PSL score, face shape, canthal tilt or facial ratios). Use when the user wants their own face measured.	Not declared	Yes	Not declared	No
`lookup_looksmaxxing_term`Define a looksmaxxing / PSL term (e.g. LTN, HTN, Chadlite, canthal tilt, hunter eyes, mog) and link to its full explanation.	Define a looksmaxxing / PSL term (e.g. LTN, HTN, Chadlite, canthal tilt, hunter eyes, mog) and link to its full explanation.	Not declared	Yes	Not declared	No
`psl_score_lookup`Convert a PSL score (0–8 looksmaxxing face rating scale) into its tier name, approximate population percentile and casual 1–10 equivalent.	Convert a PSL score (0–8 looksmaxxing face rating scale) into its tier name, approximate population percentile and casual 1–10 equivalent.	Not declared	Yes	Not declared	No