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Opencrater MCP Server

by open-crater Your server? Claim it
answering

Opencrater MCP is answering right now. Last checked 14 min ago. 32 installs a week from npm. It exposes 3 tools. Last commit 23 Jun 2026.

Monetize your MCP server or CLI: live OpenCrater network stats + how maintainers earn USDC.

Installs per day peak 12 · avg 5 · -51% w/w
a month agotoday
Uptime history 47 days of history · worst day 99%
47 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
1040 ms
Response time
average over 24h
32
Installs / week
npm and PyPI

Nothing serious here today

Today is the operative word: we check Opencrater MCP 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 14 min ago.

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

opencrater
opencrater_get_started
How a maintainer can start earning USDC from their MCP server or CLI tool with OpenCrater.
opencrater_network_stats
Live OpenCrater network momentum: Blips delivered, developers reached, advertiser budget committed to reward creators, USDC earned by maintainers, and the number of supported AI coding tools.
opencrater_supported_tools
The AI coding tools where OpenCrater Blips can render.

Endpoints

URLTransportStateLatencyChecked
https://opencrater.to/mcp streamable-http answering 526 ms 14 min ago

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Opencrater MCP — questions

Answers built from our own checks of this server.

What can Opencrater MCP do?
It exposes 3 tools, read directly from the server on our last check. Among them: opencrater_get_started, opencrater_network_stats, opencrater_supported_tools. 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 Opencrater MCP 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 1040 ms. The bar chart above shows every period we have measured.
How do I connect Opencrater MCP?
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 Opencrater MCP need an API key?
No. Opencrater MCP 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 Opencrater MCP?
It answers our handshake in 1040 ms on average, which is faster than 8% 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.
How many people use Opencrater MCP?
The npm package opencrater-mcp was installed 32 times in the last week. Week over week that is -51%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Opencrater MCP open source?
We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.