Laying out the streets…STEP 1 OF 3

ProtocolProbe · Office #47,292

The MCP registry checks once. We checked again.

In the Catching bugs before release neighborhood (Developer). In town since 21 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on ProtocolProbe's site

ProtocolProbe describes itself as: “ProtocolProbe”

What it is

Calls itself “directory”.

  • Calls itself: directory
“A free directory of MCP server facts, built for the developers who use them.”

Where it puts itself

Rules out “ads”. Publishes a comparison page.

  • Says it will not: ads
“Today the site has no ads, no sponsors and no paid placements”
“Compare two servers -> https://protocolprobe.com/mcp/compare”

What it costs

A free tier, free forever.

  • Free plan: free forever
“Free to reuse, with dates and sources.”

Who it sells to

Sells to developers. Made for developers.

  • Sells to: developers
  • Made for: developers
“…built for the developers who use them.”

How it runs

A API. Hosted in the cloud. Offers an API. AI is a side feature.

  • Kind: api
  • Runs where: cloud / hosted
  • API: yes
  • AI role: a side feature
“API (no key)”
“…hosted, nothing to install”

What it works with

Names Cursor, api.github.com and 1 more on its pages.

  • Names: Cursor · api.github.com · registry.modelcontextprotocol.io
“Add a server to Cursor in one click”
“ProtocolProbe checks MCP servers against what they claim”

What it offers as proof

Live, no waitlist. Claims “38,977”. Try it without signing up. Publishes docs.

  • Number claimed: 38,977
  • Trial asks for: nothing
“API (no key)”
“13.9% of all 38,977 registry entries have at least one problem the registry doesn’t catch entries checked 38,977”

Sources

Tablif read these pages, last on 21 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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