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MCP server

Fermat

By phaseAll Phase servers

OpenAI-compatible LLM gateway: pay per request with an API key, signed receipt for each call.

First seen 22 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.

1
Directories
Collected by InvokeRank
7
Tools
From an anonymous probe
-
ToolBench grade
Not graded by Arcade
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GitHub stars
No repository data

Tools

ToolDescriptionBehaviour
chatRun a chat completion on the Phase AI gateway, paid from the Phase API key or the wallet this server uses (free models cost nothing). Returns the answer, actual price, task id for the receipt and usage.Destructive
embedCompute embeddings on the Phase AI gateway (paid from the Phase API key or the wallet).Destructive
keyBalance, daily cap and spend of the Phase API key this server pays with (key mode).Read-only
list_modelsList models of the Phase AI gateway with prices (USD per 1M tokens, fee per call) and layer (flagship | open | class | free).Read-only
quoteGet the price ceiling for a chat request without paying (the gateway's 402 quote).Read-only
receiptFetch the public receipt of a paid request by task id (model, provider, tokens, price, settlement tx, request/response hashes, signatures) and its Merkle proof once the weekly epoch is closed.Read-only
sessionSaved chat sessions on the Phase AI gateway: create one (returns an id and a shareable /s/<id> link), read its thread, list the wallet's sessions (wallet mode only: signed with the wallet key, no transaction), or delete one. Pass the id as `session` to chat and the gateway carries the context between turns and visits.Destructive

Directory listings

DirectoryListingTierFirst seen
Official MCP RegistryFermat-22 Oct 2026