MCP server

webcheck

app.nanocorp.webcheck/webcheck

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkVerified publisher: nanocorp.appAbout 189 tokens per request once connected1 tools

https://webcheck.nanocorp.app/mcp

At a glance

Type: MCP server
Publisher: nanocorp.app (verified by the MCP Registry)
Status: Working at last check
Tools: 1
Token cost: About 189 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"webcheck":{"type":"http","url":"https://webcheck.nanocorp.app/mcp"}}}

Antigravity

agy mcp add webcheck https://webcheck.nanocorp.app/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"webcheck","server_url":"https://webcheck.nanocorp.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"webcheck","server_url":"https://webcheck.nanocorp.app/mcp"}

check_site ~189 tokens
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,

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