io.github.CodingSelim/mcp-scan
mcp-scan
Is the mcp-scan MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Passive security scanner: audits MCP servers against the OWASP MCP Top 10, graded A-F.
alive probed 2026-11-14 · unchanged since 2026-10-31
2tools
641tokens in Claude Opus 5.5
0.3 %of Claude's 200k window
0.3×the median server
256 msto initialize
4 msto list tools
- Run it
- npx -y owasp-mcp-scan@0.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-scan 0.2.1
- Capabilities
- tools
- Instructions
- 130 characters
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 641 tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 663. The o200k_base estimate is 366. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/CodingSelim/mcp-scan
- Website
- https://github.com/CodingSelim/mcp-scan
- Registry
- active, updated 2026-07-11 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| scan_mcp_server | 566 | 323 | 88 % |
| list_checks | 75 | 43 | 12 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
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- SAP ABAP MCP io.github.Coaspe/sap-abap-mcp · alive
- io.github.CodeCraftersLLC/local-voice-mcp · alive
- io.github.CodesWhat/portkey-admin-mcp · error
- io.github.Coinlooter/mcp · alive
- io.github.Coinversaa/mcp-server · alive
- io.github.CollinJ0/vendorcheck · alive
- io.github.Combjellyshen/zotero-bridge · not found
Servers that mention scan.
- JustIdea Agency agency.justidea/justidea-agency · alive
- Axon NeuroAutomata ai.axonagentic/neuroautomata · needs auth
- Boolsai Grep ai.boolsai/grep · no DNS
- b/cited ai.bcited/bcited · alive
- Boolsai Scan ai.boolsai/scan · needs auth
- ai.boundaryai/boundaryai · needs auth
- CertScore.ai MCP Light ai.certscore/mcp-light · alive
- CareerCorner ai.careercorner/careercorner · needs auth
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.