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Accessproof MCP Server

not responding

Accessproof is listed as active in the registry but did not answer our last check. It exposes 1 tools.

Scan a web page's markup for the WCAG failures ADA demand letters cite most often.

Uptime history 4 days of history · worst day 35%
4 days agonow
35.9%
Uptime 24h
33 of 92 checks
1
Tools
read from the server
680 ms
Response time
average over 24h
open, no key
Access
streamable-http

Accessproof does not always answer

Over the last week it answered 74.9% 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 1 min ago.

run in your terminal
claude mcp add accessproof --transport http https://www.edgethirteen.com/api/mcp/accessproof
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "accessproof": {
      "url": "https://www.edgethirteen.com/api/mcp/accessproof"
    }
  }
}
~/.codex/config.toml
[mcp_servers.accessproof]
url = "https://www.edgethirteen.com/api/mcp/accessproof"
.cursor/mcp.json
{
  "mcpServers": {
    "accessproof": {
      "url": "https://www.edgethirteen.com/api/mcp/accessproof"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "accessproof": {
      "url": "https://www.edgethirteen.com/api/mcp/accessproof"
    }
  }
}

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.

page
check_page_accessibility
Scan a single live, publicly reachable web page's markup for the WCAG 2.1 failures that ADA web-accessibility demand letters and lawsuits cite most often: missing alt text, unlabeled form fields, missing lang attribute, empty links, skipped heading levels, missing page title, no h1, no skip link. Static markup analysis -- it can't check color contrast, keyboard navigation, or screen reader behavior, so a clean result means 'no known markup-level issue found,' not full compliance.

Endpoints

URLTransportStateLatencyChecked
https://www.edgethirteen.com/api/mcp/accessproof streamable-http answering 18 ms 1 min ago

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Accessproof — questions

Answers built from our own checks of this server.

What can Accessproof do?
It exposes 1 tools, read directly from the server on our last check. Among them: check_page_accessibility. 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 Accessproof working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 33 of 92 checks got a reply (35.9%), average response time 680 ms. The bar chart above shows every period we have measured.
The registry lists Accessproof 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 Accessproof?
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 Accessproof need an API key?
No. Accessproof 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 Accessproof?
It answers our handshake in 680 ms on average, which is faster than 17% 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.