webcheck MCP Server

by nanocorp-webcheck Your server? Claim it

answering

webcheck is answering right now. Last checked 7 min ago. It exposes 1 tools.

The website checker for AI agents. One call: verdict, score out of 100, fix list.

Uptime history 5 days of history · worst day 99%

5 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

1110 ms

Response time

average over 24h

open, no key

Access

streamable-http

webcheck missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add webcheck --transport http https://webcheck.nanocorp.app/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "webcheck": {
      "url": "https://webcheck.nanocorp.app/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.webcheck]
url = "https://webcheck.nanocorp.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "webcheck": {
      "url": "https://webcheck.nanocorp.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "webcheck": {
      "url": "https://webcheck.nanocorp.app/mcp"
    }
  }
}

Available tools 1

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

site

check_site

Check a website: does it work, and does it do what it was asked to do? Opens up to 20 pages, tests links, forms and images, compares the brief with the pages, and checks speed and security. Returns a verdict (the literal lowercase word "pass" or "fix"), a score out of 100, sub-scores, the fix list, and the public report URL. One free check per site without a key.

Endpoints

URL	Transport	State	Latency	Checked
https://webcheck.nanocorp.app/mcp	streamable-http	answering	622 ms	7 min ago

Alternatives to webcheck

same job, measured the same way

Agentready

by vercel-agentready-rho

Scan any website or MCP server for agent readiness: 0-100 score, a fix per failing check. Free.

11 tools answering

Rebilder Agent Readability

by rebilder

Check how well AI agents can read a web page: a score, the evidence and a ranked fix list.

84 installs/wk local only

Hatch

by viberooster

Hosting for AI agents: publish a live website in one tool call, ephemeral or forever.

21 tools answering

Domain Trust

by trusterinfo

Website trust checks: 0-100 safety score, verdict and community reviews (truster.info).

42 installs/wk 3 tools answering

Mintverdict

by mintverdict

Solana token risk verdicts, rug checks & outcome labels for AI agents. Pay-per-call x402 USDC.

49 installs/wk local only

CrawlCheck

by emmanuelorta

Verification layer for the agentic web: a signed answer about any site before an agent acts.

23 tools answering

Open for Agents Website Visibility

by mdotk

Check how well AI agents can discover and understand a public website.

answering

Otr Protocol

by yb48666-ctrl

Merchant trust verification for AI agents. One call = trust score, badge, and purchase safety.

36 installs/wk local only

webcheck — questions

Answers built from our own checks of this server.

What can webcheck do?

It exposes 1 tools, read directly from the server on our last check. Among them: check_site. 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 webcheck working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 1110 ms. The bar chart above shows every period we have measured.

How do I connect webcheck?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does webcheck need an API key?

No. webcheck completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is webcheck?

It answers our handshake in 1110 ms on average, which is faster than 5% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.