OneLessTool MCP Server: Install & Setup

Install OneLessTool in Claude Code

Claude Code

claude mcp add --transport http onelesstool https://onelesstool.com/api/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "onelesstool": {
      "url": "https://onelesstool.com/api/mcp"
    }
  }
}

Find software subscriptions you can drop using tools you already own, with vendor-verified prices.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http onelesstool https://onelesstool.com/api/mcp

io.onlinecompiler/compiler

Run Python, Java, C, C++, C#, Go, Rust and 39 more languages, each run in a fresh, offline sandbox.

Yusanfeng134/One1-mcp

Trademark conflict, logo look-alike and TRO enforcer checks for cross-border sellers.

com.onlyworlds/mcp

Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.

io.github.lucas-project/one-million-tools

42 free deterministic utilities: JSON, CSV, YAML, encoding, hashing, JWT, cron, formatters, CSS.

kr.co.onpress/onpress

How to open and run a Korean internet newspaper with OnPress: plans, templates, guides. Read-only.

com.onecoworking.www/mcp

Find and compare coworking spaces and offices in 300+ European cities; get office quotes.