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Merron MCP Server

by merron Your server? Claim it
not responding

Merron is listed as active in the registry but did not answer our last check. It exposes 3 tools.

Inspect selected project excerpts and screen user-confirmed facts for bounded EU AI Act readiness.

Uptime history 10 days of history · worst day 1%
10 days agonow
4.3%
Uptime 24h
4 of 92 checks
3
Tools
read from the server
813 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 3

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 15 September 2026. No other catalogue keeps this.

20 Sep a tool description was rewritten merron_get_questions
20 Sep a tool changed the parameters it asks for merron_screen_ai_act
15 Sep a tool changed version

Merron does not always answer

Over the last week it answered 29.2% 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 0 min ago.

run in your terminal
claude mcp add ai-act-check --transport http https://merron.app/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "ai-act-check": {
      "url": "https://merron.app/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.ai-act-check]
url = "https://merron.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "ai-act-check": {
      "url": "https://merron.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "ai-act-check": {
      "url": "https://merron.app/mcp"
    }
  }
}

Available tools 3

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

merron
merron_get_questions
Get relevant business questions and explanations for a selected AI system. Pass only known user answers; omit unknown values or use null. Does not classify or assume unanswered questions mean No. No sign-in or private workspace access.
merron_scan_project
Find possible AI integrations, model calls, disclosure wording and sensitive-use wording in user-selected project excerpts. Returns file/line references and follow-up questions, not a legal classification. First explain that the excerpts will be sent to Merron and obtain the user's agreement. Never send secrets, personal customer records, whole repositories or files the user has not authorised. Does not fetch URLs, execute code, persist inputs or access private cases.
merron_screen_ai_act
Run Merron's versioned, bounded AI Act rules on facts the user has explicitly confirmed. Returns a conditional screening result, unresolved routes, missing questions and official references. Never infer confirmation or legal compliance from source code or absence of signals. Unknown answers remain unknown. This computation does not check documents, use an AI model, save a report, access accounts or certify compliance.

Endpoints

URLTransportStateLatencyChecked
https://merron.app/mcp streamable-http answering 167 ms 0 min ago

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Merron — questions

Answers built from our own checks of this server.

What can Merron do?
It exposes 3 tools, read directly from the server on our last check. Among them: merron_get_questions, merron_scan_project, merron_screen_ai_act. 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 Merron working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 4 of 92 checks got a reply (4.3%), average response time 813 ms. The bar chart above shows every period we have measured.
The registry lists Merron 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 Merron?
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 Merron need an API key?
No. Merron completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Merron?
It answers our handshake in 813 ms on average, which is faster than 15% 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.