io.github.cyanheads/pentest-mcp-server
pentest-mcp-server
Offline methodology engine for authorized penetration testing, CTF, and security research.
alive probed 2026-10-09 · HTTP 200
7tools
3.7ktokens in Claude Opus 5.5
3.8ktokens in Claude Code
1.8 %of a 200k context window
2.0ko200k_base estimate
349 msto initialize
74 msto list tools
- Endpoint
- https://pentest.caseyjhand.com/mcp (streamable-http)
- Host
- pentest.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- pentest-mcp-server 0.1.10
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 389 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/pentest-mcp-server
- Registry
- active, updated 2026-10-09 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| pentest_generate_payloads | 440 | 22 % |
| pentest_guide | 408 | 20 % |
| pentest_map_techniques | 332 | 16 % |
| pentest_analyze_response | 250 | 12 % |
| pentest_encode | 249 | 12 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-09 11:18 | alive | 284 ms | 7 | 3.7k | 2.0k |
| 2026-10-05 14:39 | alive | 349 ms | 7 | 3.7k | 2.0k |
| 2026-10-05 00:33 | alive | 194 ms | 7 | 2.0k | |
| 2026-10-04 10:04 | alive | 282 ms | 7 | 2.0k | |
| 2026-10-04 07:57 | alive | 297 ms | 7 | 2.0k | |
| 2026-10-03 20:37 | alive | 778 ms | 7 | 2.0k | |
| 2026-10-03 17:53 | alive | 608 ms | 7 | 2.0k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/pentest-mcp-server)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.