io.github.yifanyifan897645/webcheck
webcheck
Is the io.github.yifanyifan897645/webcheck MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Website health analysis: SEO, accessibility, performance, security, and broken links
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y webcheck-mcp@0.1.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- webcheck 0.1.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 950 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 1.0k. The o200k_base estimate is 524. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/yifanyifan897645/webcheck-mcp
- Registry
- active, updated 2026-03-30 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| find_broken_links | 192 | 106 | 20 % |
| batch_check | 178 | 98 | 19 % |
| compare_pages | 163 | 90 | 17 % |
| check_seo | 141 | 78 | 15 % |
| check_accessibility | 141 | 78 | 15 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.yffo/tabellio · crashed on start
- io.github.yifancong/rsdoctor · alive
- io.github.yifanyifan897645/git-summary · alive
- io.github.yifanyifan897645/mcp-checkup · alive
- io.github.yk647/globalrules · alive
- io.github.ykastelnik/realevents · alive
- io.github.yksanjo/gmem · crashed on start
- io.github.ykshah1309/financial-hub-mcp · alive
Servers that mention webcheck or accessibility or performance.
- io.github.healersfind-alt/organic-web-checker · needs auth
- webcheck app.nanocorp.webcheck/webcheck · alive
- AdAdvisor MCP Server ai.adadvisor/mcp-server · needs auth
- Iterant ai.iterant/iterant · needs auth
- Perlucem TBPI — Bank Performance Intelligence ai.perlucem/tbpi · needs auth
- ai.perfloop/perfloop · needs auth
- Marketing Intelligence & Optimization ai.saifs/marketing-intelligence · needs auth
- ai.webmatik/audit · 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.