io.github.cyanheads/nist-nvd-mcp-server
nist-nvd-mcp-server
Search and audit NIST NVD CVEs by keyword, severity, CWE, CISA KEV status, and CPE.
alive probed 2026-10-09 · HTTP 200
5tools
4.1ktokens in Claude Opus 5.5
4.2ktokens in Claude Code
2.0 %of a 200k context window
2.4ko200k_base estimate
321 msto initialize
76 msto list tools
- Endpoint
- https://nist-nvd.caseyjhand.com/mcp (streamable-http)
- Host
- nist-nvd.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- nist-nvd-mcp-server 0.3.2
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 569 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/nist-nvd-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 |
|---|---|---|
| nvd_search_cves | 750 | 31 % |
| nvd_audit_cpe | 551 | 22 % |
| nvd_get_cve_history | 413 | 17 % |
| nvd_get_cve | 401 | 16 % |
| nvd_search_cpes | 334 | 14 % |
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 | 607 ms | 5 | 4.1k | 2.4k |
| 2026-10-05 14:39 | alive | 321 ms | 5 | 4.1k | 2.4k |
| 2026-10-05 00:33 | alive | 201 ms | 5 | 2.4k | |
| 2026-10-04 10:04 | alive | 243 ms | 5 | 2.4k | |
| 2026-10-04 07:57 | alive | 498 ms | 5 | 2.4k | |
| 2026-10-03 20:37 | alive | 780 ms | 5 | 2.4k | |
| 2026-10-03 17:53 | alive | 536 ms | 5 | 2.4k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/nist-nvd-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.