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agentcheck MCP Server

not responding

agentcheck is listed as active in the registry but did not answer our last check. It exposes 11 tools.

Synthetic checks, nightly regression replay and model-drift alerts for AI agents

The linked repository no longer exists on GitHub — it was deleted or made private.

Uptime history 50 days of history · worst day 38%
50 days agonow
57.1%
Uptime 24h
52 of 91 checks
11
Tools
read from the server
262 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 12

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 September 2026. No other catalogue keeps this.

10 Oct a tool appeared agentcheck_statuspage_preview
10 Oct a tool description was rewritten agentcheck_api_sunsets
10 Oct a tool changed the parameters it asks for agentcheck_api_sunsets
9 Oct 2 tools appeared agentcheck_api_sunsets, agentcheck_model_retirements
6 Oct a tool description was rewritten agentcheck_create_target
6 Oct a tool changed the parameters it asks for agentcheck_create_target
11 Sep 4 tools changed the parameters they ask for agentcheck_add_check, agentcheck_create_target, agentcheck_list_incidents and 1 more
11 Sep a tool changed version

agentcheck does not always answer

Over the last week it answered 66.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

run in your terminal
claude mcp add agentcheck --transport http https://agentwares-agentcheck.vercel.app/api/mcp
Settings → Connectors → Add custom connector, then paste this address
https://agentwares-agentcheck.vercel.app/api/mcp
~/.codex/config.toml
[mcp_servers.agentcheck]
url = "https://agentwares-agentcheck.vercel.app/api/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "agentcheck": {
      "url": "https://agentwares-agentcheck.vercel.app/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "agentcheck": {
      "type": "http",
      "url": "https://agentwares-agentcheck.vercel.app/api/mcp"
    }
  }
}

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

agentcheck
agentcheck_add_check
Add a check to one of your targets. A check runs an input (http path/prompt, mcp tool call, a2a message) on a schedule and judges the answer with a golden: exact, contains, regex and json_schema cost nothing; rubric and baseline use the LLM judge (baseline = same outcome as the last known-good answer). Returns the check id. Requires an API key.
agentcheck_api_sunsets
When does the API version this code pins stop working, and what happens then? Pass provider and version pairs as your code pins them (shopify 2025-10, meta v21.0, google-ads v22, hubspot v1, twilio-flex 2.16.2, twilio-notify v1, keap xml-rpc, exchange-online ews, stripe 2024-06-20). For each, returns every dated end the provider's own versioning, changelog or retirement page lists: status, end date (and whether the provider gives only a month), what happens after it (error, silent fall-forward to another version, app delisting, or unsupported), whether the failure is silent, the replacement version, the source URL with the date it was read, and a page with the details. Where the provider's own pages give different dates for the same end, other_dates lists each one with its page and date_note says which the counts run to. A pair with no entry comes back with the reason: older than every listed version, no end date published yet, or a provider that publishes none (Stripe). Covers Shopify, HubSpot, Meta Graph and Marketing APIs, Google Ads and Content API for Shopping, Twilio Flex UI and Notify, Thryv's Keap XML-RPC, and Exchange Web Services (EWS) in Exchange Online. No API key needed.
agentcheck_create_target
Enroll something to monitor: an http endpoint (JSON or OpenAI-style chat), a remote MCP server (Streamable HTTP url) or an A2A agent (origin with /.well-known/agent-card.json). Pass `checks` to create checks in the same call (POST /api/v1/probe proposes three). Returns the target id, the public status page, the badge SVG URL and a README snippet. The first check runs on the next scheduled tick, within five minutes; call agentcheck_run_now to run immediately. Free tier: 1 target, hourly; Starter+: 5-minute checks. Requires an API key.
agentcheck_get_pricing
Machine-readable pricing for agentcheck: tiers with monthly USD price, target limits, check interval and features, plus per-run add-ons. Same data as /pricing.json. No API key needed.
agentcheck_get_status
Current status of a public monitored target: overall state, uptime over 24h/7d/30d, last check time, last nightly scores, open incidents and the badge/status URLs. Use the owner (GitHub login) and target slug from the status page URL https://agentwares-agentcheck.vercel.app/<owner>/<slug>. No API key needed.
agentcheck_list_incidents
Open and recent incidents across your targets (or one target): when they opened/closed, the failing check and the cause. Requires an API key.
agentcheck_model_retirements
Is this model retiring? Pass model IDs as your code or config names them (gpt-5-mini, claude-sonnet-4-5-20250929, gemini-2.5-flash, openai/o3-mini). For each, returns every announced shutdown on OpenAI's, Anthropic's and Google's own deprecation pages (OpenAI API, Claude API, Gemini API, Vertex AI): status, shutdown date, recommended replacement, the replacement's list-price ratio per token, the API changes the provider documents, the source URL with the date it was read, and a page with the details. retiring: false means no shutdown for that ID is on those pages. Language models only. No API key needed.
agentcheck_promote_trace
Turn an imported or recorded trace into a replayable check whose golden is the recorded outcome (tool sequence + final-answer rubric). The check runs daily and in the nightly replay (Pro). Returns the check. Requires an API key.
agentcheck_record
Record one production interaction with your agent (the prompt or messages, the final answer, the tools it called, optionally the model) as a trace on a target. Call it from your agent or from a proxy in front of it after each task; promote a good trace with agentcheck_promote_trace to replay it nightly and catch regressions. Requires an API key.
agentcheck_run_now
Run every check of one of your targets immediately (outside the schedule) and return pass/fail per check with latency, judge cost and any incident opened or closed. Use it right after enrolling, or to confirm a fix. Requires an API key.
agentcheck_statuspage_preview
Read a public Atlassian Statuspage page once: its name, overall status, components (id, name, status, group) and unresolved incidents, from the page's own /api/v2/summary.json. Pass any address on the page: status.example.com, https://status.example.com/history or the JSON URL. Use it before POST /api/v1/statuspage, which turns the components you give a URL into a live agentcheck status page checked by agentcheck itself, with no signup; the answer carries that request's body. Same read as /statuspage/preview: only public addresses, 5-second timeout, 512 KB cap. Private pages cannot be read. No API key needed.

Endpoints

URLTransportStateLatencyChecked
https://agentwares-agentcheck.vercel.app/api/mcp streamable-http answering 68 ms 4 min ago

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agentcheck — questions

Answers built from our own checks of this server.

What can agentcheck do?
It exposes 11 tools, read directly from the server on our last check. Among them: agentcheck_add_check, agentcheck_api_sunsets, agentcheck_create_target, agentcheck_get_pricing, agentcheck_get_status, agentcheck_list_incidents and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is agentcheck working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 52 of 91 checks got a reply (57.1%), average response time 262 ms. The bar chart above shows every period we have measured.
Is agentcheck still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
The registry lists agentcheck as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect agentcheck?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does agentcheck need an API key?
No. agentcheck completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is agentcheck?
It answers our handshake in 262 ms on average, which is faster than 64% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.