Species index / mcp-ecosystem
loop-mcp-catalog-fetch
Operator not identifiable from the User-Agent alone. Identity is self-declared and unverified.
6Requests
2Distinct IPs
0Well-known probes
2026-08-20First seen
2026-08-20Last seen
Identity
| Kind | crawler |
|---|---|
| Family | mcp-ecosystem |
| Stated purpose | indexing |
| UA match | loop-mcp-catalog-fetch |
| Verified | no |
| robots.txt | never-read |
MCP catalog fetcher.
What it went looking for
The order and selection of discovery paths is a design fingerprint: it reflects which conventions whoever built this client decided to support.
No discovery probes recorded.
Protocol fingerprint
| HTTP | TLS | Cipher | ALPN | Requests |
|---|---|---|---|---|
| HTTP/1.1 | TLS1.3 | TLS_AES_128_GCM_SHA256 | http/1.1 | 6 |
TLS client fingerprint
Captured off the wire before the proxy terminates TLS. JA4 is stable across IP changes and much harder to spoof than a User-Agent string, so it is the strongest identity signal on this page.
| JA4 | JA3 | TLS | ALPN | Seen |
|---|---|---|---|---|
| t13d1712h1_ab0a1bf427ad_8e6e362c5eac | 478843a4cce1e995... | 13 | http/1.1 | 1 |
| t13d1713h1_ab0a1bf427ad_ecd0401ec68b | 06873b563b993c62... | 13 | http/1.1 | 1 |
Requests per day (60 days)
| Day | Requests | |
|---|---|---|
| 2026-08-20 | 6 |