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100
MCP live MCP 2025-11-25 streamable-http

Desvela ARD Registry — free preflight(domain)

dev.desvela/registry

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. 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
100.0%
5 direct probes · 30d
Response
194ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://registry.desvela.dev/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
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
100 characters; more than 30 earns these points.

Tools · 4

preflight

What a domain publishes for AI agents before you touch it: ai-catalog.json (ARD), llms.txt, agents.md, and its robots.txt directives for AI bots (GPTBot, ClaudeBot, Google-Extended…). Includes a visib…

watch

Subscribe to a domain: get a signed webhook (X-Desvela-Signature, HMAC-SHA256) when what it publishes for AI agents changes — ai-catalog.json entries added/changed/gone, llms.txt or agents.md edited o…

crawler_block_test

What the domain's CDN really does, as opposed to what its robots.txt says. Sends each AI crawler's real user-agent at the homepage and compares the response against a browser: a site can allow GPTBot …

search

Natural-language search over what Desvela has indexed: agents, MCP servers, registries — the same index as POST /search. Returns catalog entries per the ARD spec. When nothing matches, returns referra…

How to use

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

{
  "mcpServers": {
    "desvela_ard_registry_\u2014_free_preflight(domain)": {
      "url": "https://registry.desvela.dev/mcp",
      "transport": "streamable-http"
    }
  }
}