io.github.mrfentmen/http-check-mcp
http-check-mcp
Is the io.github.mrfentmen/http-check-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.
Check a URL live: status, timing, redirect chains and security headers; private hosts blocked
alive probed 2026-11-14 · unchanged since 2026-10-29
- Run it
- npx -y @mrfentmen/http-check-mcp@1.0.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- http-check-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 477 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 513. The o200k_base estimate is 263. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/awesome-servers
- Registry
- active, updated 2026-10-28 · 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 |
|---|---|---|---|
| check_redirects | 178 | 98 | 37 % |
| check_url | 174 | 96 | 37 % |
| check_headers | 125 | 69 | 26 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/html-plusphp-mcp · alive
- io.github.mrfentmen/html-plusrazor-mcp · alive
- io.github.mrfentmen/html-to-markdown-mcp · alive
- io.github.mrfentmen/hts-tariff-mcp · alive
- io.github.mrfentmen/http-inspector-mcp · alive
- io.github.mrfentmen/httpbin-mcp · alive
- io.github.mrfentmen/htx-mcp · alive
- io.github.mrfentmen/hubitat-mcp · alive
Servers that mention check.
- Business Contact Finder agency.ottobot/business-contact-finder · alive
- groTAX by Grovisor ae.grovisor/grotax · alive
- Agentic Fabrication Network (AFN) ai.agenticfabricationnetwork/ufp · alive
- Plumbline - Contractor License Checks ai.agentlookups/plumbline · alive
- ai.agentlookups/overassessed · alive
- Alpic ai.alpic.mcp/alpic-mcp · needs auth
- One-Page Readiness Check — 10 Signals, Arabic or English ai.advisorsai/store-readiness · alive
- ai.aivonic/mcp · 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.