io.github.vulncheck-oss/mcp
VulnCheck
Is the VulnCheck MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.
VulnCheck exploit intelligence — CVE research, exploit data, advisories, and threat analysis.
alive probed 2026-11-14 · unchanged since 2026-10-26
- Run it
- docker run -i --rm ghcr.io/vulncheck-oss/mcp:0.2.3 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- vulncheck v0.2.3
- Capabilities
- logging, tools
- Instructions
- 3 764 characters
- Of a 1M window
- 1.4 % of a 1M context window
- Count
- 14k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 14k. The o200k_base estimate is 8.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/vulncheck-oss/mcp
- Registry
- active, updated 2026-10-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.64×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_index | 1 283 | 781 | 9 % |
| search_nvd_cves | 1 208 | 735 | 9 % |
| search_target_intel | 1 196 | 728 | 9 % |
| v4_search_advisory | 966 | 588 | 7 % |
| search_curated_exploits | 904 | 550 | 7 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- sqry - Semantic Code Search io.github.verivusOSS-releases/sqry · needs args
- Proxbase io.github.virtbase/proxbase · alive
- Evidra io.github.vitas/evidra · needs env
- io.github.vmedvedovskiy/luftpause · not probed
- SQLBot MCP Proxy io.github.wenRou21/sqlbot-mcp-proxy · alive
- SearXNG HTTP MCP io.github.whw23/searxng-http-mcp · crashed on start
- CNN Fear & Greed Index io.github.wildsurfer/cnnfag · alive
- io.github.wildsurfer/your-mail-mcp · alive
Servers that mention intelligence or advisories.
- Agentic News ai.agentic-news/mcp · needs auth
- ai.agentberg/agentberg · alive
- ai.astrofabric/mcp · not MCP
- ai.bassethound/bassethound · needs auth
- Bezal — Local Business Intelligence for AI Agents ai.bezal/local-commerce · alive
- BidDeed MCP ai.biddeed/biddeed-mcp · needs auth
- China Marketing AI Intelligence MCP ai.chinamarketing/intelligence · needs auth
- CreativeScope — Mobile Game Ad Creative Intelligence ai.creativescope/creative-intelligence · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.