MCP server

Desvela ARD Registry — free preflight(domain) Official

dev.desvela/registry

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.

Working at last checkVerified publisher: desvela.devAbout 949 tokens per request once connected4 tools

https://registry.desvela.dev/mcp

At a glance

Type: MCP server
Publisher: desvela.dev (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 949 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http registry https://registry.desvela.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.registry]
url = "https://registry.desvela.dev/mcp"

Gemini CLI

{"mcpServers":{"registry":{"httpUrl":"https://registry.desvela.dev/mcp"}}}

Cursor

{"mcpServers":{"registry":{"url":"https://registry.desvela.dev/mcp"}}}

VS Code

{"servers":{"registry":{"type":"http","url":"https://registry.desvela.dev/mcp"}}}

Antigravity

agy mcp add registry https://registry.desvela.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"registry","server_url":"https://registry.desvela.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"registry","server_url":"https://registry.desvela.dev/mcp"}

crawler_block_test ~317 tokens
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 in robots.txt and still have its CDN answer it a 403, and robots.txt cannot tell you that. Verdicts
preflight ~208 tokens
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 visibility receipt: surface-by-surface state, the words that would find the domain in search (or the hone
search ~190 tokens
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 referrals (other ARD-conformant registries you can query the same way) and listing (how a domain gets into
watch ~234 tokens
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 or removed, robots.txt AI-bot directives changed. Checked weekly against the Desvela ARD index. Retur

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Wellknown
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Kalicart Global
Federated commerce search across independent WooCommerce merchants. Keyless, read-only MCP server.
Babyblueviper Invinoveritas
Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.
Apis Io
Discover, rate and compare APIs and providers in the APIs.io catalog; manage a listing you own.
Deusproof
Identity for AI agents that arrive on their own: a certificate of birth, number and date. Free.
Uptimeify
Free anonymous website, DNS, email and TLS checks, plus monitor read and opt-in write access.
DropTheHassle
Your AI publishes your site: free HTTPS link, or a .com for €19 that goes live with no DNS.

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