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53ON MCP Server

answering

53ON is answering right now. Last checked 9 min ago. It exposes 2 tools.

Directory and marketplace of local businesses and independent professionals near you.

Uptime history 66 days of history · worst day 89%
66 days agonow
100.0%
Uptime 24h
91 of 91 checks
2
Tools
read from the server
577 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check 53ON every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 9 min ago.

run in your terminal
claude mcp add directory --transport http https://53on.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://53on.com/mcp
~/.codex/config.toml
[mcp_servers.directory]
url = "https://53on.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "directory": {
      "url": "https://53on.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "directory": {
      "type": "http",
      "url": "https://53on.com/mcp"
    }
  }
}

Available tools 2

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

business
get_business
Full public detail of one 53ON business by its slug: services, ratings, product catalog with prices, and the link where the user can request a quote and pay. Use the slug returned by search_providers.
providers
search_providers
Find local businesses and independent professionals on 53ON by what they do. Accepts free text in Spanish or English and resolves synonyms, so "plumber" and "destapar caneria" both work. Pass lat and lng to limit results to that area; without them the search is nationwide. Call with an empty query to get the list of services 53ON covers.

Endpoints

URLTransportStateLatencyChecked
https://53on.com/mcp streamable-http answering 497 ms 9 min ago

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53ON — questions

Answers built from our own checks of this server.

What can 53ON do?
It exposes 2 tools, read directly from the server on our last check. Among them: get_business, search_providers. 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 53ON working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 577 ms. The bar chart above shows every period we have measured.
How do I connect 53ON?
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 53ON need an API key?
No. 53ON completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is 53ON?
It answers our handshake in 577 ms on average, which is faster than 22% 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.