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MCP MCP 2025-06-18 streamable-http

MCP Registry Validator — Check Endpoints Actually Resolve

io.github.operatorsheets/mcp-uptime

Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
60.0%
5 direct probes · 30d
Response
82ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://mcp-uptime.theopslog.workers.dev/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
The latest probe failed: initialize returned HTTP 404: init HTTP 404. The server was up for 60% of its last 30 days, so this counts as a blip and the score holds; it drops once uptime falls below 50%.
pass Answers the MCP handshake 50/50
Handshake verified earlier; the latest probe failed (see the note above).
pass Lists tools, resources or prompts 30/30
4 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
4 items in total; 3 or more earns these points.
pass Describes itself 10/10
77 characters; more than 30 earns these points.

Tools · 4

check_mcp_endpoint

Probe an MCP endpoint right now: is it alive, which transport it speaks, how many tools it exposes, and whether its tool schema changed since the last check. Use before depending on a third-party MCP …

get_uptime

Uptime history for an MCP endpoint over the last N days (max 30), with incident windows. Reads stored history; does not probe.

get_known_tools

The tool list last observed at an MCP endpoint, with the timestamp of the most recent schema change. Reads stored history; does not probe.

check_schema_drift

Probe an MCP endpoint and diff its tool schema against the last stored snapshot: tools added, removed, or whose description/inputSchema changed. Schema drift fails quietly mid-run, which is why it is …

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "mcp_registry_validator_\u2014_check_endpoints_actually_resolve": {
      "url": "https://mcp-uptime.theopslog.workers.dev/mcp",
      "transport": "streamable-http"
    }
  }
}