Find the right AI model for your job. Free discovery and ranking; tests on your own key.
Connect Remote server
claude mcp add --transport http xfms https://xfms.xpansion.dev/mcp --header "X-OpenRouter-Key: <X_OPENROUTER_KEY>"
{
"mcpServers": {
"xfms": {
"url": "https://xfms.xpansion.dev/mcp",
"headers": {
"X-OpenRouter-Key": "<X_OPENROUTER_KEY>"
}
}
}
}
{
"servers": {
"xfms": {
"type": "http",
"url": "https://xfms.xpansion.dev/mcp",
"headers": {
"X-OpenRouter-Key": "<X_OPENROUTER_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://xfms.xpansion.dev/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 7 found in our last check
rankThe full shortlist for a job worked out with discover: 5 proven models and 1 promising newcomer, each with its standing on every requirement, plus near misses and what would change the order. Pass the discover session.
pickThe single best proven model for a job worked out with discover, with why and the runners-up. Pass the discover session.
discoverDiscovery: finds the true requirements of the person's job before any model is chosen. Start with purpose: the reply carries the discovery instructions and the evidence catalogue. YOU ask the person the questions (one thing each, plain words, offering the returned choices); then…
benchmarkThe live test: the 5 proven models and 1 promising newcomer from discovery do the person's real tasks side by side, every requirement is judged, and the results pick the winner. First call (session + tasks) returns the estimate and an offer — nothing is spent. Show the person th…
field_resultsResults from real comparisons on Model Source for one kind of job (call with no job_type for the list): which models passed, how often, which won, typical cost per task and the most common failure. Counted without anyone's job details. A starting point; test on the person's own…
watch_jobSaves a finished job for XF Model Watch, which re-tests it as new models arrive and emails the person only when a model passes every must-have and ranks higher on their priorities. Needs a signed-in subscriber. Ask the person first: Model Watch keeps the job and its example task…
compareSame live test as benchmark, but on the models the person names (model_ids). Needs a finished discover session so every requirement is judged. Estimate first, then go=true.
Headers
| Name | Description |
|---|---|
X-OpenRouter-KeyOptional, secret | Your OpenRouter API key. Required only for the compare and benchmark tools (they run live test queries against the named models on OpenRouter — that cost rides with you, not us). The rank, pick, and discover tools work without it. Get a key at https://openrouter.ai/keys. |
Details
| Endpoint | https://xfms.xpansion.dev/mcp (Streamable HTTP) |
| First published | 17 Oct 2026 |
| Last updated | 17 Oct 2026 |
| Registry name | dev.xpansion/xfms |
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