Arclan MCP Registry MCP Server

by arclan Your server? Claim it

answering

Arclan MCP Registry is answering right now. Last checked 14 min ago. It exposes 4 tools.

MCP registry: 138k servers crawled, handshake-validated, reliability-scored. 744 production-safe.

Uptime history 91 days of history · worst day 83%

91 days agonow

98.9%

Uptime 24h

90 of 91 checks

Tools

read from the server

268 ms

Response time

average over 24h

open, no key

Access

streamable-http

Arclan MCP Registry does not always answer

Over the last week it answered 98.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not 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 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add registry --transport http https://arclan.ai/mcp

Settings → Connectors → Add custom connector, then paste this address

https://arclan.ai/mcp

~/.codex/config.toml

[mcp_servers.registry]
url = "https://arclan.ai/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "registry": {
      "url": "https://arclan.ai/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "registry": {
      "type": "http",
      "url": "https://arclan.ai/mcp"
    }
  }
}

Available tools 4

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

recommend

recommend_server

Get ranked MCP server recommendations for a task. Returns servers scored by production safety, keyword relevance, registry score, latency, and freshness. Each result includes a reason code array explaining why it was ranked. Use this instead of query_registry when you want an opinionated ranked list rather than a filtered search.

registry

query_registry

Search the Arclan registry for MCP servers. By default returns only connectable servers (active, mcp_partial, auth_gated). Use status=stdio to browse local-only servers available for installation. Use status=all to query the full index. Use production_safe=true to restrict to servers with uptime > 97% and handshake success > 95%. Use read_only=true to restrict to servers with no write or exec tools. Use this before connecting to an MCP server to check its validation status and score. After using a server, call report_server to contribute reliability data.

report

report_server

Submit an agent usage report for an MCP server. Reports are aggregated and influence registry trust scores. Call this after using an MCP server so the registry can track real-world reliability. Supports both a simple outcome report and a structured scoring report (criterion + component_score).

server

get_server

Get full details for a specific MCP server. Pass the server name (e.g. "GitHub", "Brave Search"), registry ID slug, or endpoint URL. Returns score, state, tools list, latency, and recent test history.

Endpoints

URL	Transport	State	Latency	Checked
https://arclan.ai/mcp	streamable-http	answering	224 ms	14 min ago

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Arclan MCP Registry — questions

Answers built from our own checks of this server.

What can Arclan MCP Registry do?

It exposes 4 tools, read directly from the server on our last check. Among them: get_server, query_registry, recommend_server, report_server. 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 Arclan MCP Registry working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 91 checks got a reply (98.9%), average response time 268 ms. The bar chart above shows every period we have measured.

How do I connect Arclan MCP Registry?

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 Arclan MCP Registry need an API key?

No. Arclan MCP Registry completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Arclan MCP Registry?

It answers our handshake in 268 ms on average, which is faster than 51% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.