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ProtocolProbe vs QAmcp

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ProtocolProbe compared with QAmcp
DetailProtocolProbe logo ProtocolProbe QAmcp
What it doesFree directory of MCP server facts with checked information from public records Free, open-source testing and monitoring for MCP servers
StageNot given Not given
FoundedNot given Not given
Based inNot given IN
Pricing modelFree Freemium
PricingNot given Free: browser test, CLI tool, GitHub check, and Monitor for 1 server with hourly checks and daily full tests. Pro: $19/month founding price (first 50 customers, then $29/month) for 3 servers, hourly full tests, 5-minute uptime checks, Slack alerts, and login support. Agency: $99/month (increases to
Key features
  • Free JSON API with no authentication required
  • Server search and filtering by name and description
  • Rankings by downloads, stars and record checks
  • Server comparison and topic filtering
  • Self-test command for your own server
  • Record checks with badge for README
  • Corrections log tracking fact updates
  • CC BY 4.0 licensed data export
  • Change tracking for registry updates
  • Allowlist export for company filtering
  • Supports servers behind login and local servers
  • Generates shareable HTML reports
  • Email and Slack alerting for server changes
What makes it different
  • Scheduled re-checking of all facts on a regular basis, unlike the official registry which only checks on publication
  • Every fact shown with its source and the date checked
  • No ads, sponsors or paid placements; income never changes listings or rankings
  • Corrections publicly logged and requests always answered with reasoning
  • Open API accessible to everyone without authentication key
  • Checks are code-verified, never AI-judged, with plain evidence for each result
  • Completely free testing with no account required
  • Never modifies or deletes data; safe mode by default
  • No tracking, telemetry, or data sent beyond the tested server
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)2218
Referring domains (Majestic)75

4 details filled in for both companies.

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