agentprobe
.org
Census
Endpoints
Sources
Overlap
Standards
Methodology
API
About
auto
protocol-mismatch: 111
connect-fail: 4
wrong 97%
protocol-mismatch: 111
connect-fail: 4
wrong 97%
outcome of the latest probe, 115 endpoints in this selection · click a segment to filter
reachable, wrong protocol / invalid card
protocol-mismatch
111
no answer
connect-fail
4
115
mcp endpoints
115
probed
0.0%
alive
404
111 · 97%
no HTTP answer
4 · 3%
404
404: 111 · 97%
111
no HTTP answer
no HTTP answer: 4 · 3%
4
HTTP status of the latest probe per endpoint in this selection · "no HTTP answer" = DNS, connect, TLS failure or timeout
Endpoints
Latest probe per endpoint; click for history.
any kind
a2a
agent-facts
agents-txt
ard
llm-api
llms-txt
mcp
openapi
robots
sigdir
site
x402
any outcome
ok
auth-required
card-invalid
protocol-mismatch
http-error
timeout
tls-fail
connect-fail
dns-fail
blocked
unprobeable
score
latency
host
recent
Filter
endpoint
kind
outcome
score
ms
version
capabilities
sources
probed
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-denver/mcp
America/Denver clock
mcp
protocol-mismatch
80
15
11 tools
1
2026-09-07T13:05
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-hong-kong/mcp
Asia/Hong_Kong clock
mcp
protocol-mismatch
80
15
11 tools
1
2026-09-07T13:05
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-asia-singapore/mcp
Asia/Singapore clock
mcp
protocol-mismatch
80
14
11 tools
1
2026-09-07T13:05
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-amsterdam/mcp
Europe/Amsterdam clock
mcp
protocol-mismatch
80
17
11 tools
1
2026-09-07T13:05
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-berlin/mcp
Europe/Berlin clock
mcp
protocol-mismatch
80
16
11 tools
1
2026-09-07T13:05
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-london/mcp
Europe/London clock
mcp
protocol-mismatch
80
13
11 tools
1
2026-09-07T13:05
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-madrid/mcp
Europe/Madrid clock
mcp
protocol-mismatch
80
15
11 tools
1
2026-09-07T13:06
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-pacific-auckland/mcp
Pacific/Auckland clock
mcp
protocol-mismatch
80
12
11 tools
1
2026-09-07T13:06
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-utc/mcp
UTC clock
mcp
protocol-mismatch
80
16
11 tools
1
2026-09-07T13:06
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/url-origin/mcp
URL origin only
mcp
protocol-mismatch
80
13
11 tools
1
2026-09-07T13:06
← prev
page 10 of 12
next →