RFix MCP Server

by rfix Your server? Claim it

answering

RFix is answering right now. Last checked 8 min ago. It exposes 3 tools.

Create RF signal projects from prompts, inspect graphs, and export IQ data.

Uptime history 47 days of history · worst day 99%

47 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

212 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

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

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://mcp.rfix.ai/mcp

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

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.rfix.ai/mcp"
    }
  }
}

~/.codex/config.toml

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

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.rfix.ai/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.rfix.ai/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.

rfix

rfix_export_rfix_project

Convert RFIX JSON input into an importable `.rfix.gz` project file. `payload` may be an RFIX backend payload, GCF prompt graph output, exported graph data, or editor/.rfix-style project JSON. Project-shaped input is preserved where possible; backend payload input is reverse-transformed into a legacy flat project. In server-side mode this also publishes launch URLs for desktop and web.

rfix_list_blocks

Search the shipped RFIX block catalog by keyword. Use this when you need to find specific block types not already returned by rfix_plan_scenario. Queries like radar, ship, aircraft, communication, 3d, doppler, dmr, or wifi return relevant blocks with parameter schemas. Includes parameter schemas inline.

rfix_plan_scenario

ALWAYS call this first for any RF scenario request. Returns block schemas, composition rules, constraints, and a reference example payload. YOU must compose your own graph/project using this guidance, then call rfix_export_rfix_project. Do NOT search the filesystem for blocks or examples — this tool returns everything needed.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.rfix.ai/mcp	streamable-http	answering	186 ms	8 min ago

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RFix — questions

Answers built from our own checks of this server.

What can RFix do?

It exposes 3 tools, read directly from the server on our last check. Among them: rfix_export_rfix_project, rfix_list_blocks, rfix_plan_scenario. 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 RFix 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 212 ms. The bar chart above shows every period we have measured.

How do I connect RFix?

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 RFix need an API key?

No. RFix 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 RFix?

It answers our handshake in 212 ms on average, which is faster than 64% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.