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Falcon Builder MCP Server

by falconbuilder Your server? Claim it
answering

Falcon Builder is answering right now. Last checked 13 min ago. Last commit 2 Oct 2026.

Build, debug, and publish production AI agent workflows in Falcon Builder from any MCP client.

Uptime history 10 days of history · worst day 96%
10 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
397 ms
Response time
average over 24h
0
Stars
last commit 2 Oct 2026

Falcon Builder does not always answer

Over the last week it answered 99.0% 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 13 min ago.

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

Endpoints

URLTransportStateLatencyChecked
https://www.falconbuilder.dev/api/mcp streamable-http sign-in 1101 ms 13 min ago

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Falcon Builder — questions

Answers built from our own checks of this server.

Why is there no tool list for Falcon Builder?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is Falcon Builder 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 397 ms. The bar chart above shows every period we have measured.
How do I connect Falcon Builder?
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 Falcon Builder?
No API key is involved. Falcon Builder 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 Falcon Builder?
It answers our handshake in 397 ms on average, which is faster than 35% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Falcon Builder open source?
We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.