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Herdr vs ProtocolProbe

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

Herdr compared with ProtocolProbe
DetailHerdr logo HerdrProtocolProbe logo ProtocolProbe
What it doesCommunity plugin marketplace for terminal user interface agents Free directory of MCP server facts with checked information from public records
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Free
PricingNot given Not given
Key features
  • Automatic plugin indexing from GitHub repositories
  • One-command plugin installation
  • No review queue for plugin publishing
  • Mission control layout interface
  • Customizable terminal layouts
  • Browsable plugin search and sorting
  • 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
What makes it different
  • Automatic GitHub-based plugin discovery with no submission process
  • Built-in agent management and monitoring interface
  • Fully open source under Apache 2.0 license
  • 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
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)73 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)183
Citation Flow (Majestic)4722
Referring domains (Majestic)22817

4 details filled in for both companies.

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