StealthStack ARD Discovery

Official3 tools

by stealthstack

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

ai.stealthstack/discovery (MCP Server)

The ai.stealthstack/discovery MCP server provides search over a public index of agents, MCP servers, and skills found on the open web. It is described as free and requiring no authentication, targeting discovery of publicly indexed resources.

🛠️ Key Features

Search a public index of agents
Search a public index of MCP servers
Search a public index of skills on the open web
Free access
No authentication

🚀 Use Cases

Find publicly listed agents
Locate MCP servers available on the open web
Discover skills indexed from the open web

⚡ Developer Benefits

Enables discovery of related MCP servers, agents, and skills via search
Avoids auth setup due to “no auth” access model

⚠️ Limitations

Limited to resources present in the stated public index of the open web

Captured live from the server via tools/list.

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, or trust. Each result includes the connect URL when the publisher provides one; otherwise the inline connection or pull details.

Parameters5

query	string	required	Free-text search over name, description, and tags.
kind	string	optional	Restrict to one resource kind.
domain	string	optional	Restrict to one publisher domain (e.g. stealthstack.ai).
trust	string	optional	verified = the resource's URN authority matches its catalog host (domain-anchored).
limit	integer	optional	Max results (1-50).

Raw schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Free-text search over name, description, and tags."
    },
    "kind": {
      "type": "string",
      "enum": [
        "agent",
        "mcp",
        "skill",
        "catalog",
        "registry",
        "api",
        "other"
      ],
      "description": "Restrict to one resource kind."
    },
    "domain": {
      "type": "string",
      "description": "Restrict to one publisher domain (e.g. stealthstack.ai)."
    },
    "trust": {
      "type": "string",
      "enum": [
        "verified",
        "unverified"
      ],
      "description": "verified = the resource's URN authority matches its catalog host (domain-anchored)."
    },
    "limit": {
      "type": "integer",
      "description": "Max results (1-50).",
      "default": 10
    }
  },
  "required": [
    "query"
  ]
}

list_resources

Browse the StealthStack ARD index — agentic resources (agents, MCP servers, skills, catalogs) discovered across the open web. Optionally filter by kind, domain, or trust. 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.

Parameters4

kind	string	optional	Restrict to one resource kind.
domain	string	optional	Restrict to one publisher domain (e.g. stealthstack.ai).
trust	string	optional	Restrict by trust status.
limit	integer	optional	Max results (1-50).

Raw schema

{
  "type": "object",
  "properties": {
    "kind": {
      "type": "string",
      "enum": [
        "agent",
        "mcp",
        "skill",
        "catalog",
        "registry",
        "api",
        "other"
      ],
      "description": "Restrict to one resource kind."
    },
    "domain": {
      "type": "string",
      "description": "Restrict to one publisher domain (e.g. stealthstack.ai)."
    },
    "trust": {
      "type": "string",
      "enum": [
        "verified",
        "unverified"
      ],
      "description": "Restrict by trust status."
    },
    "limit": {
      "type": "integer",
      "description": "Max results (1-50).",
      "default": 25
    }
  }
}

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.

Parameters1

identifier

string

required

The resource URN, e.g. urn:air:stealthstack.ai:skill:parquet (urn:ai: and urn:air: are both accepted).

Raw schema

{
  "type": "object",
  "properties": {
    "identifier": {
      "type": "string",
      "description": "The resource URN, e.g. urn:air:stealthstack.ai:skill:parquet (urn:ai: and urn:air: are both accepted)."
    }
  },
  "required": [
    "identifier"
  ]
}

Install

Tools (3)

search_resourceslist_resourcesget_resource

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://stealthstack.ai/mcp?src=mcpregistry

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "discovery": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://stealthstack.ai/mcp?src=mcpregistry"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.

ai.stealthstack/discovery (MCP Server)

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

search_resources

list_resources

get_resource

Install

Remote endpoint

Related servers