0nMCP — Universal AI API Orchestrator MCP Server

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answering

0nMCP — Universal AI API Orchestrator is answering right now. Last checked 2 min ago. 292 installs a week from npm. It exposes 17 tools.

Universal AI API Orchestrator — 1,554 tools, 96 services. One install.

The linked repository no longer exists on GitHub — it was deleted or made private.

Installs per day peak 174 · avg 43 · -20% w/w

a month agotoday

Uptime history 47 days of history · worst day 45%

47 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

449 ms

Response time

average over 24h

292

Installs / week

npm and PyPI

0nMCP — Universal AI API Orchestrator does not always answer

Over the last week it answered 87.0% 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 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add 0nMCP --transport http https://0nmcp.com/api/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "0nMCP": {
      "url": "https://0nmcp.com/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.0nMCP]
url = "https://0nmcp.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "0nMCP": {
      "url": "https://0nmcp.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "0nMCP": {
      "url": "https://0nmcp.com/api/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Available tools 17

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

contact

add_contact_note

Add a note to a CRM contact

add_contact_tags

Add tags to a CRM contact

create_contact

Create a new CRM contact

get_contact

Get a CRM contact by ID

update_contact

Update a CRM contact

send

send_email

Send an email to a contact

send_message

Send a message (Email, SMS, WhatsApp)

appointments

get_appointments

Get appointments in a date range

calendars

get_calendars

List all CRM calendars

contacts

search_contacts

Search CRM contacts by name, email, or phone

conversations

search_conversations

Search CRM conversations

custom

get_custom_fields

List all custom fields

location

get_location

Get CRM location details

opportunities

search_opportunities

Search CRM opportunities/deals

opportunity

create_opportunity

Create a new opportunity/deal

pipelines

get_pipelines

List all CRM pipelines and stages

verify

verify_service

Verify an API key against a service (stripe, github, sendgrid, openai, anthropic, slack, notion, airtable, resend, hubspot, vercel) and return an account summary + a .0n connection descriptor

Endpoints

URL	Transport	State	Latency	Checked
https://0nmcp.com/api/mcp	streamable-http	sign-in	512 ms	2 min ago

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0nMCP — Universal AI API Orchestrator — questions

Answers built from our own checks of this server.

What can 0nMCP — Universal AI API Orchestrator do?

It exposes 17 tools, read directly from the server on our last check. Among them: add_contact_note, add_contact_tags, create_contact, create_opportunity, get_appointments, get_calendars and 11 more. 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 →

What is 0nMCP — Universal AI API Orchestrator mostly used for?

Its tools cluster around contact and send. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is 0nMCP — Universal AI API Orchestrator working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 449 ms. The bar chart above shows every period we have measured.

Is 0nMCP — Universal AI API Orchestrator still maintained?

The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.

How do I connect 0nMCP — Universal AI API Orchestrator?

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. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to 0nMCP — Universal AI API Orchestrator?

No API key is involved. 0nMCP — Universal AI API Orchestrator answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is 0nMCP — Universal AI API Orchestrator?

It answers our handshake in 449 ms on average, which is faster than 33% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use 0nMCP — Universal AI API Orchestrator?

The npm package 0nmcp was installed 292 times in the last week. Week over week that is -20%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.