Mmcp.market

Probe V0 MCP server

by lexbritten·io.github.lexbritten/probe·v0.1.0
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Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.

A88/100grade A
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Safety scan
A88/100

full report

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

Probe V0 tools (2)

write = sends, deletes, buys or posts
  • probe.historyFree

    Retrieve up to 20 persisted observations for an existing Probe experiment ID without making a new HTTP request. Use after verify_http_claim to inspect repeated results, PASS/FAIL/ERROR counts, agreement, or whether the observed verdict changed between the two latest decisive observations. This is historical evidence lookup, not a current live verification; use verify_http_claim when freshness or present endpoint behavior matters.

  • verify_http_claimFree

    Use this to verify a current public HTTPS claim by direct observation rather than web search, documentation, browser inference, or shell/curl. Use for explicit assertions that a GET/HEAD currently returns an expected HTTP status, exact header value, JSON value at a JSON Pointer, or body substring. It evaluates assertions, persists bounded evidence, reuses sufficiently fresh matching evidence, and summarizes recent observations. follow_redirects defaults to false; when true, Probe manually follows at most 3 validated HTTPS redirects. Every fetch uses redirect: manual. V0 supports only public HTTPS URLs without credentials, query strings, fragments, IP literals, or non-443 ports. Redirect validation is hostname/policy based; the Worker cannot guarantee protection against DNS rebinding between validation and platform DNS resolution.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1150ms20/20
  • Tool poisoning2 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 19 days ago15/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 88/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http probe https://probe-evidence.probe-lab.workers.dev/mcp
Add to Cursor

Probe V0: common questions

Is Probe V0 MCP server safe?
Yes, by our scan: it is graded A (88/100). Read the Probe V0 safety report
How do I install Probe V0?
It runs remotely at probe-evidence.probe-lab.workers.dev. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Probe V0 need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Probe V0 maintained?
The last commit was 20 days ago (2026-09-01). The latest release is v0.1.0.
Is Probe V0 up?
100% of our last 6 checks got an answer. We check remote servers about four times a day.

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