agentprobe
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Endpoints
Sources
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Standards
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API
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auto
protocol-mismatch: 8,346
wrong 100%
protocol-mismatch: 8,346
wrong 100%
outcome of the latest probe, 8,346 endpoints in this selection · click a segment to filter
reachable, wrong protocol / invalid card
protocol-mismatch
8,346
8,346
remote endpoints
8,346
probed
0.0%
alive
404
3,060 · 37%
200
2,031 · 24%
no HTTP answer
1,948 · 23%
405
1,158 · 14%
400
60 · 1%
402
58 · 1%
204
11 · 0%
429
10 · 0%
410
4 · 0%
406
4 · 0%
415
2 · 0%
404
404: 3,060 · 37%
3,060
200
200: 2,031 · 24%
2,031
no HTTP answer
no HTTP answer: 1,948 · 23%
1,948
405
405: 1,158 · 14%
1,158
400
400: 60 · 1%
60
402
402: 58 · 1%
58
204
204: 11 · 0%
11
429
429: 10 · 0%
10
410
410: 4 · 0%
4
406
406: 4 · 0%
4
415
415: 2 · 0%
2
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/port-443/mcp
Port 443
mcp
protocol-mismatch
80
75
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/punycode-ok/mcp
Punycode host check
mcp
protocol-mismatch
80
142
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/random-hex16/mcp
16 random hex chars
mcp
protocol-mismatch
80
80
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/rfc3339-now/mcp
RFC 3339 UTC stamp
mcp
protocol-mismatch
80
115
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/robots-inspect/mcp
Robots Inspect
mcp
protocol-mismatch
80
230
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/semver-parse/mcp
SemVer numbers only
mcp
protocol-mismatch
80
134
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sha256-ok/mcp
SHA-256, input discarded
mcp
protocol-mismatch
80
59
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/slug-ok/mcp
Slug character check
mcp
protocol-mismatch
80
79
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/timezone-clock/mcp
Timezone Clock
mcp
protocol-mismatch
80
86
11 tools
1
2026-09-08T08:58
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-los-angeles/
America/Los_Angeles clock
mcp
protocol-mismatch
80
110
11 tools
1
2026-09-08T08:58
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