bots.st/mcp-liveness
mcp-liveness
Check MCP endpoint liveness and tool drift
2954 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 5
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://agentwares-mcp-liveness.vercel.app/mcp
What it can do
| Tool | What it says it does |
|---|---|
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`, or by its… |
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 the source (the… |
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 that requires… |
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 differently now, when a… |
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 its answer never… |
In its maker's words
Does an MCP server work for a stock client? By registry name or URL. Tool drift too. Free, no key.
- Website
- agentwares-mcp-liveness.vercel.app
- Source
- github.com/agentwares/servers
- Publisher
- agentwares (9 listings in the registry)
- Listed from
- the official MCP Registry as
io.github.agentwares/mcp-liveness - Version
- 0.3.0, updated 6 Oct 2026
- Kinds of work
- Security and trust, AI models and agent tools, Browser and automation
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2954 ms | |
| Answered | 2168 ms | |
| Answered | 1039 ms |
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