MCP.Market

Deterministic MCP server

online · 100% uptime
by deterministic.sh·sh.deterministic/deterministic·v0.3.0
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Physics-based validation of simulation results: receipts with per-check verdicts, via MCP.

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.

Deterministic tools

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

Public scan report

scanner v0.1.10 · 2026-10-02 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 948ms (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 Deterministic compares

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

Safety score
77/100
higher than 50% of 48,243 servers
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
604 ms
faster than 26% of 30,027 servers

Install Deterministic in Claude Code, Cursor or VS Code

claude mcp add --transport http deterministic https://deterministic.sh/mcp
Add to Cursor

Deterministic: common questions

Is Deterministic MCP server safe?
Mostly: it is graded B (77/100). Read the Deterministic safety report
How do I install Deterministic?
It runs remotely at deterministic.sh. 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 Deterministic need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Deterministic maintained?
The latest release is v0.3.0.
Is Deterministic up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Deterministic compare with other MCP servers?
safety score 77/100 (higher than 50% of 48,243 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 604 ms (faster than 26% of 30,027 servers). Full comparison.