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StealthStack ARD Discovery MCP Server

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answering

StealthStack ARD Discovery is answering right now. Last checked 13 min ago. It exposes 3 tools.

Search a public index of agents, MCP servers and skills found on the open web. Free, no auth.

Uptime history 15 days of history · worst day 99%
15 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
323 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 7 October 2026. No other catalogue keeps this.

7 Oct 2 tool descriptions were rewritten list_resources, search_resources
7 Oct 2 tools changed the parameters they ask for list_resources, search_resources

StealthStack ARD Discovery missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add discovery --transport http https://stealthstack.ai/mcp?src=mcpregistry
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "discovery": {
      "url": "https://stealthstack.ai/mcp?src=mcpregistry"
    }
  }
}
~/.codex/config.toml
[mcp_servers.discovery]
url = "https://stealthstack.ai/mcp?src=mcpregistry"
.cursor/mcp.json
{
  "mcpServers": {
    "discovery": {
      "url": "https://stealthstack.ai/mcp?src=mcpregistry"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "discovery": {
      "url": "https://stealthstack.ai/mcp?src=mcpregistry"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

resources
list_resources
Browse the StealthStack ARD index — agentic resources (agents, MCP servers, skills, catalogs) discovered across the open web. Optionally filter by kind, domain, trust, or accepted payment protocol (paid=x402). Returns a count, a kind breakdown, and the page of resources, each with its connect URL when the publisher provides one; otherwise the inline connection or pull details. Use search_resources for a specific need.
search_resources
Search the StealthStack ARD index for agentic resources (agents, MCP servers, skills, catalogs) discovered across the open web. Free-text query over name/description/tags, ranked by the index's relevance score (best match first). Optionally filter by kind, domain, trust, or accepted payment protocol (paid=x402). Each result includes the connect URL when the publisher provides one; otherwise the inline connection or pull details.
resource
get_resource
Get the full record for one discovered ARD resource by its identifier (URN), as returned by search_resources / list_resources. Includes the connect URL when the publisher provides one; otherwise the inline connection or pull details. Also returns type, publisher, version, trust, source, description, tags, and example queries.

Endpoints

URLTransportStateLatencyChecked
https://stealthstack.ai/mcp?src=mcpregistry streamable-http answering 210 ms 13 min ago

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StealthStack ARD Discovery — questions

Answers built from our own checks of this server.

What can StealthStack ARD Discovery do?
It exposes 3 tools, read directly from the server on our last check. Among them: get_resource, list_resources, search_resources. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is StealthStack ARD Discovery working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 323 ms. The bar chart above shows every period we have measured.
How do I connect StealthStack ARD Discovery?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does StealthStack ARD Discovery need an API key?
No. StealthStack ARD Discovery completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is StealthStack ARD Discovery?
It answers our handshake in 323 ms on average, which is faster than 44% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.