Does an MCP server work for a stock client? By registry name or URL. Tool drift too. Free, no key.
Connect Remote server
claude mcp add --transport http mcp-liveness https://agentwares-mcp-liveness.vercel.app/mcp
{
"mcpServers": {
"mcp-liveness": {
"url": "https://agentwares-mcp-liveness.vercel.app/mcp"
}
}
}
{
"servers": {
"mcp-liveness": {
"type": "http",
"url": "https://agentwares-mcp-liveness.vercel.app/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://agentwares-mcp-liveness.vercel.app/mcp
Tools 5 found in our last check
mcp_liveness_checkMakes 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_outcomesReturns 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_driftGiven 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_authWalks 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_appsChecks 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
| Endpoint | https://agentwares-mcp-liveness.vercel.app/mcp (Streamable HTTP) |
| First published | 6 Oct 2026 |
| Last updated | 6 Oct 2026 |
| Registry name | io.github.agentwares/mcp-liveness |
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