Robin Saige we check the tools AI agents call

State of MCP

Census of 2026-08-23 — compared with 2026-08-16. 24,349 servers listed (+2,356 in a week). 7,586 answer. 2,355 arrived — top 3 publishers account for 52%. 125 died, 76 revived, 276 verdict flips. truth checks: 369 of 376 decided agreed.

The registry claims 24,349 servers; 7,586 actually answer

+2,356 listings vs +1,278 answering since the previous census — the gap widened

10k20kcensus of 2026-08-14 — 5,947 servers answeringcensus of 2026-08-16 — 6,308 servers answeringcensus of 2026-08-23 — 7,586 servers answering24,349 listed ○7,586 answer ●21 verified true08-2308-14

Why it moved — between the two censuses

new and answeringnew and answering: +1,340+1,340came backcame back: +76+76stopped answeringstopped answering: -125-125reclassified / leftreclassified / left: -13-13net +1,278 answering — the move the line above just made

Beneath the surface

1,951 tools re-described or changed

67% of it by one publisher (io.github.pipeworx-io) — one deploy, many costumes

276 verdicts flipped

allow, warn or block changed for these servers — repin before you depend on one

369 of 376 decided truth checks agreed

7 in review — a disagreement is never published before a person confirms it; 900 unverifiable from outside

listed = the registry’s own enumeration, daily ○ · answer = measured at each weekly census ● (dots) · verified true = servers whose latest answers matched the primary source ● · recording began 2026-08-13 · re-derive: the series · as of 2026-08-23

The registry

24,349 servers listed (+2,356 vs previous census). 2,355 listings arrived and 32 disappeared between the two censuses . The top three publishers account for 52% of arrivals .

io.github.mcp-dir857
io.github.Evozim276
io.github.Wxt-ai90
com.jojapi49
io.github.CSOAI-ORG24
com.moltlinestudio19
com.apished9
io.github.ni-c8

The probe layer

13,347 remote endpoints probed (+1,984 vs previous census); 7,586 answer a real handshake (+1,278 vs previous census); 3,115 behind a login (+209 vs previous census); 403 behind a paywall.

Movers

125 stopped answering · 76 came back · 1,340 new and answering · 276 verdict flips — every name is on the movers page.

Drift

1,951 tool-description or inventory changes detected (1,660 semantic · 291 structural). The largest single source was io.github.pipeworx-io with 1,312 events — description changes across one publisher’s fleet count once per listing.

Is the answer true?

1,276 truth checks ran this week: 369 agreed with the primary source, 900 were unverifiable from outside , and 7 sit in review — a disagreement is never published before a person confirms it is not our error.

The paid economy

13 distinct paid operators · 114 paid endpoints (re-measured monthly, 1st).

How to read this

Machine-drafted from census 20260823-census-0610 at 2026-08-23T07:32:54Z; ruled and published 2026-08-23. Every figure derives from a query — the series re-derive them.