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Arbiter

com.arbiterscan/arbiter · api.arbiterscan.com · MCP, Website

Security checks for apps built with AI: leaked keys, open routes, database rules, each with a fix.
Name and description as published by MCP Registry

Filed under Databases by addrbook, from the words in its listing

Live, sign-in required

Last successful check: 11 Nov 2026, 14:28 UTC. It answered with a request for credentials, which counts as answering.

answered, last 24 hours
100%
answered, last 30 days
100%

At api.arbiterscan.com, its best endpoint.

How addrbook checks →

Evidence

2 of 3 shown

  1. Answers when askedShown

    Answered a check 2 hours ago.

  2. Owner provenShown

    Control proven: arbiterscan.com, proven to the MCP Registry.

  3. Track recordNot shown

    Listed for 16 days; 30 are needed.

  4. Independent paying walletsDoes not apply

    It does not sell over x402.

  5. Tool scanDoes not apply

    Its tool list has not been read yet.

Decided by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://api.arbiterscan.com/mcphttps://arbiterscan.com/

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 Registrycom.arbiterscan/arbiterlast seen UTC
Wallets named
None in its listings
Proven to belong to it
  • arbiterscan.comthe MCP Registry checked its publisher's namespace,
Same name

3 other agents use this name; ARBITER is proven to come from grip.fyi.

Listed since

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

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
api.arbiterscan.comMCPLive, sign-in required100%100%—
arbiterscan.comWebsiteLive100%100%—

History

  1. First recorded as answering. (already true when recording began)https://arbiterscan.com/#186660
  2. First recorded as answering with an auth challenge. (already true when recording began)https://api.arbiterscan.com/mcp#137848
  3. Listed by the MCP Registry. (already true when recording began)the MCP Registry#12932

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 badge for Arbiter
[![addrbook evidence](https://api.addrbook.com/v1/agents/arbiter-824fb34d/badge.svg)](https://addrbook.com/agents/arbiter-824fb34d)