agentprobe
.org
Census
Endpoints
Sources
Overlap
Standards
Methodology
API
About
auto
protocol-mismatch: 13,804
wrong 100%
protocol-mismatch: 13,804
wrong 100%
outcome of the latest probe, 13,804 endpoints in this selection · click a segment to filter
reachable, wrong protocol / invalid card
protocol-mismatch
13,804
13,804
remote endpoints
13,804
probed
0.0%
alive
404
6,061 · 44%
200
3,934 · 28%
405
3,501 · 25%
402
176 · 1%
400
79 · 1%
204
25 · 0%
429
13 · 0%
410
7 · 0%
415
4 · 0%
406
4 · 0%
404
404: 6,061 · 44%
6,061
200
200: 3,934 · 28%
3,934
405
405: 3,501 · 25%
3,501
402
402: 176 · 1%
176
400
400: 79 · 1%
79
204
204: 25 · 0%
25
429
429: 13 · 0%
13
410
410: 7 · 0%
7
415
415: 4 · 0%
4
406
406: 4 · 0%
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/objectid-shape/mcp
Mongo ObjectId shape
mcp
protocol-mismatch
80
19
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/orcid-ok/mcp
ORCID shape, id discarded
mcp
protocol-mismatch
80
28
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/origin-ok/mcp
Origin header shape, value discarded
mcp
protocol-mismatch
80
20
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/oz-to-g/mcp
Ounces to grams
mcp
protocol-mismatch
80
18
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pa-to-bar/mcp
Pascals to bar
mcp
protocol-mismatch
80
17
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/para-count/mcp
Paragraph count, text discarded
mcp
protocol-mismatch
80
18
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pem-shape/mcp
PEM fence shape, key discarded
mcp
protocol-mismatch
80
22
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/percent-decode-len/mcp
Percent-decode length, input discarded
mcp
protocol-mismatch
80
19
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-110/mcp
Port 110
mcp
protocol-mismatch
80
20
30 tools
1
2026-09-10T09:20
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-143/mcp
Port 143
mcp
protocol-mismatch
80
18
30 tools
1
2026-09-10T09:20
← prev
page 66 of 1381
next →