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Mcp Liveness

io.github.agentwares/mcp-liveness · v0.3.0

Does an MCP server work for a stock client? By registry name or URL. Tool drift too. Free, no key.

Connect Remote server

Terminal
claude mcp add --transport http mcp-liveness https://agentwares-mcp-liveness.vercel.app/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp-liveness": {
      "url": "https://agentwares-mcp-liveness.vercel.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp-liveness": {
      "type": "http",
      "url": "https://agentwares-mcp-liveness.vercel.app/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://agentwares-mcp-liveness.vercel.app/mcp

Tools 5 found in our last check

  • mcp_liveness_check

    Makes one handshake with an MCP server's endpoint — `server/discover` at protocol revision 2026-07-28, then `initialize` for a server on the older revision — with no credential, and reports what a stock client gets. The server is named either by its exact official-registry `name…

  • mcp_liveness_explain_outcomes

    Returns the six outcomes this server can report — usable, needs_credential, charged, unreachable, local_only and not_listed — what each means for an agent choosing a server from the registry, and the usual next move for each. A static reference: it makes no network request and i…

  • mcp_liveness_drift

    Given a server's exact name in the official MCP registry, reports which of its tools were added, removed, or had their description, input schema or output schema change between a named month and the latest monthly snapshot. Useful when a server that worked before behaves differe…

  • mcp_liveness_check_auth

    Walks a remote MCP server's OAuth sign-in chain from outside, with no credential and no client registration, and returns the first step that breaks, whose it is (`server`, `identity_provider`, or `client` for a known client bug, with its issue URL), the fix, and the spec section…

  • mcp_liveness_check_apps

    Checks a remote MCP server's MCP Apps UI (SEP-1865 `ui://` resources) from outside, with no credential and without calling any tool, and returns the first step that stops the view rendering, whose it is (`server`, or `host` for a known host bug with its issue URL), the fix, and…

Details

Endpointhttps://agentwares-mcp-liveness.vercel.app/mcp (Streamable HTTP)
First published6 Oct 2026
Last updated6 Oct 2026
Registry nameio.github.agentwares/mcp-liveness

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Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.