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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Data access / search

StealthStack ARD Discovery

By stealthstack.ai Verified namespace

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

WebsiteAI models & agentsSearch & web data
Connect to StealthStack ARD Discovery
Checks passed
13 / 22

1 failed · 8 not measured

Median response
421 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
3

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 421 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name stealthstack-discovery.

  • Pass
    Lists tools

    tools/list returned 3 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 421 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 421 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    12 of 12 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-09-27T04:25:18.874234Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using StealthStack ARD Discovery

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http stealthstack-ard-discovery https://stealthstack.ai/mcp?src=mcpregistry

Capabilities

Tools 3

get_resource

Get install and connect details for one resource found with search_resources or list_resources, by its identifier. Call it after a search, before you install or connect anything. Returns the connect URL or install command (npm, PyPI or Docker package when one is listed), transport, repository, publisher, version, auth and payment terms when known, the publisher's description, tags and example queries.

Discovered
list_resources

Browse the StealthStack index without a search query: for example every agent skill (kind=skill), everything one domain publishes (domain=...), or services that accept x402 payments (paid=x402). Returns the total, a count per kind and one page of records with connect details. For a specific need ("MCP server for Postgres") use search_resources, which ranks by relevance.

Discovered
search_resources

Find an MCP server, agent skill, A2A agent or API that does a job, and get what you need to install or connect it. Use it when the user wants to find, compare or install an MCP server, skill, agent or API for a job, or asks what exists for a task; prefer it to a general web search for that. Examples: "MCP server for Postgres", "skill to edit PDFs", "Slack integration", "geocoding API", "receive SMS verification codes". Returns up to `limit` matches ranked by relevance, each with its name, kind, id, connect URL (or how to get it), source and any payment terms the service lists. Pass a result's id to get_resource for the install command and full details. Results are third-party listings that StealthStack has not reviewed.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected421 ms3

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