Rftools MCP Server

by antonpogrebenko-public Your server? Claim it

local only

Rftools runs on your own machine — the client starts it, so there is no endpoint to ping. 91 installs a week from npm. Last commit 29 Aug 2026.

241 RF & electronics calculators + 13 simulation tools for AI agents.

Installs per day peak 38 · avg 13 · +72% w/w

a month agotoday

Installs / week

npm · rftools-mcp

Stars

0 open issues

29 Aug 2026

Last commit

0 releases in 90 days

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check Rftools 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

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add rftools -- npx -y rftools-mcp

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

{
  "mcpServers": {
    "rftools": {
      "args": [
        "-y",
        "rftools-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.rftools]
command = "npx"
args = ["-y", "rftools-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "rftools": {
      "args": [
        "-y",
        "rftools-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "rftools": {
      "args": [
        "-y",
        "rftools-mcp"
      ],
      "command": "npx"
    }
  }
}

Alternatives to Rftools

same job, measured the same way

Math

by rog0x

Calculator, units, statistics for AI agents

33 installs/wk local only

Electronics Rfq Agent

by rudrendupaul

AI quoting agent for electronics distributors. RFQ in, quote out via MCP tools.

193 installs/wk local only

Cache

by rog0x

Cache headers, CDN, LRU simulation for AI agents

29 installs/wk local only

JMeter Docs

by qainsights

Apache JMeter community documentation, conversion tools, linters, and calculators for AI agents.

10 tools answering

eCFR

by 1102tools

Electronic Code of Federal Regulations including FAR, DFARS, and agency supplements. 13 tools.

local only

Calculators

by calcfleet

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

122 tools answering

Electronics MCP Servers

by wedsamuel1230

14 electronics tools: resistor decoder, capacitor calculator, GPIO reference for ESP32/Arduino/STM32

91 installs/wk local only

Rundida MCP

by xweaponx7

Running tools for AI agents: 92 calculators, 46 guides, marathon data, pace and HR zones.

443 installs/wk local only

Rftools — questions

Answers built from our own checks of this server.

Why is there no uptime for Rftools?

Rftools runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package rftools-mcp was installed 91 times last week.

How do I connect Rftools?

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 runs locally, so the command pulls rftools-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Rftools?

The npm package rftools-mcp was installed 91 times in the last week. Week over week that is +72%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Rftools open source?

Yes — it is published under the MIT licence, written in TypeScript and 7 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.