MCP.Market

Arbiter MCP server

online · 100% uptime
by arbiterscan.com·com.arbiterscan/arbiter·v0.1.0
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Security checks for apps built with AI: leaked keys, open routes, database rules, each with a fix.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
New

Little public usage data yet

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If you have run it, two minutes of your experience saves the next person an afternoon.

Arbiter tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-10-27 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 265ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Arbiter compares

Against every graded Databases MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 40% of 802 Databases servers
Uptime
100%
of our recent checks; the typical remote Databases server answers 100%
Response time
448 ms
faster than 23% of 292 Databases servers

Install Arbiter in Claude Code, Cursor or VS Code

claude mcp add --transport http arbiter https://api.arbiterscan.com/mcp
Add to Cursor

Arbiter: common questions

Is Arbiter MCP server safe?
Mostly: it is graded B (77/100). Read the Arbiter safety report
How do I install Arbiter?
It runs remotely at api.arbiterscan.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Arbiter need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Arbiter maintained?
The latest release is v0.1.0.
Is Arbiter up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Arbiter?
Servers from other publishers that do the same job: Viberaven MCP server, rowstile MCP server and Mushroomdb MCP server.
How does Arbiter compare with other Databases MCP servers?
safety score 77/100 (higher than 40% of 802 Databases servers); uptime 100% (of our recent checks; the typical remote Databases server answers 100%); response time 448 ms (faster than 23% of 292 Databases servers). Full comparison.

Alternatives to Arbiter

Same job from other publishers: the closest match first, then the best rated.

  • Viberaven
    Checks a Vercel + Supabase repo before deploy: RLS, grants, leaked keys, webhooks. Runs locally.
    A
  • rowstile
    Check, test, prove and review a rowstile policy: access rules for Postgres row-level security
    A
  • Mushroomdb
    Embedded graph database for agents: declare association rules once, edges maintain themselves.
    B
  • Mako
    Explore your databases, validate SQL, and build & publish data apps in your Mako workspace.
    A
  • CogniCore
    Memory, reflection and safety for AI agents. Hosted or local, no vector database.
    A