cheapest_for_spec — Rack Rates MCP Tool
cheapest_for_spec
(cheapest for spec) is one of 7 tools on the
Rack Rates
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call cheapest_for_spec from your client
- Claude Code Rack Rates cheapest_for_spec run in your project directory
- Claude Desktop Rack Rates cheapest_for_spec ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Rack Rates cheapest_for_spec ~/.cursor/mcp.json
- VS Code Rack Rates cheapest_for_spec .vscode/mcp.json
- Zed Rack Rates cheapest_for_spec ~/.config/zed/settings.json
- Windsurf Rack Rates cheapest_for_spec ~/.codeium/windsurf/mcp_config.json
- Cline Rack Rates cheapest_for_spec ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Rack Rates cheapest_for_spec ~/.gemini/settings.json
- Grok Rack Rates cheapest_for_spec .mcp.json (in your project root)
- ChatGPT Rack Rates cheapest_for_spec Settings → Connectors → Advanced → Developer mode
- Claude.ai Rack Rates cheapest_for_spec Settings → Connectors → Add custom connector
- LangChain Rack Rates cheapest_for_spec pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http ledger https://rackrates.dev/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 5 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.