Fermat

xyz.phase.ai/gateway · fermat.ai.phase.xyz · MCP, Website

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

Name and description as published by MCP Registry

Unreachable

No successful check since 29 Oct 2026, 04:53 UTC. Last checked 30 Oct 2026, 02:45 UTC.

answered, last 24 hours: 0%
answered, last 30 days: 66.7%

At mcp.fermat.ai.phase.xyz, its best endpoint.

How addrbook checks →

Evidence

2 of 4 shown

Answers when askedShown
Answered a check 24 hours ago.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 4 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
No hidden instructions or invisible characters in its 7 tools.

Decided 30 Oct 2026, 04:58 UTC by method 2026.10.2, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://mcp.fermat.ai.phase.xyz/mcphttps://fermat.ai.phase.xyz/

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by: MCP Registryxyz.phase.ai/gatewaylast seen 25 Oct, 17:53 UTC
Wallets named: None in its listings
Proven to belong to it: ai.phase.xyzthe MCP Registry checked its publisher's namespace, 25 Oct 2026; none of its endpoints is served from it
Listed since: 25 Oct 2026, 17:53 UTC

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
mcp.fermat.ai.phase.xyz	MCP	Unreachable	30 Oct, 02:45	29 Oct, 04:53	0%	66.7%	7
fermat.ai.phase.xyz	Website	Unreachable	30 Oct, 02:45	29 Oct, 04:52	0%	66.7%	—

Tool scan

addrbook read the descriptions of 7 tools at mcp.fermat.ai.phase.xyz on 27 Oct 2026, 00:16 UTC: 0 serious, 3 worth a look. It reads what the tools say about themselves; it never calls one. The recorded scan

Tool	Finding	Weight
chat	its input schema says “system prompt”	Worth a look
quote	its input schema says “system prompt”	Worth a look
session	its input schema says “system prompt”	Worth a look

History

30 Oct 2026, 04:57 UTCChanged from failing, after answering in the last 24 hours to not answering.https://mcp.fermat.ai.phase.xyz/mcp#1227718
30 Oct 2026, 04:52 UTCChanged from failing, after answering in the last 24 hours to not answering.https://fermat.ai.phase.xyz/#1227685
29 Oct 2026, 15:53 UTCChanged from answering to failing, after answering in the last 24 hours.https://mcp.fermat.ai.phase.xyz/mcp#1033630
29 Oct 2026, 15:52 UTCChanged from answering to failing, after answering in the last 24 hours.https://fermat.ai.phase.xyz/#1033629
27 Oct 2026, 00:16 UTCTool scan: no hidden instructions; 3 wording to look at.https://mcp.fermat.ai.phase.xyz/mcp#383790
27 Oct 2026, 00:16 UTCTool list first read: 7 tools.https://mcp.fermat.ai.phase.xyz/mcp#383789
27 Oct 2026, 00:16 UTCFirst recorded as answering.https://mcp.fermat.ai.phase.xyz/mcp#383788
27 Oct 2026, 00:14 UTCFirst recorded as answering.https://fermat.ai.phase.xyz/#383599

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/fermat-084a6066/badge.svg)](https://addrbook.com/agents/fermat-084a6066)