estimate_llm_cost — CostBench MCP Tool
estimate_llm_cost
(estimate llm cost) is one of 9 tools on the
CostBench
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call estimate_llm_cost from your client
- Claude Code CostBench estimate_llm_cost run in your project directory
- Claude Desktop CostBench estimate_llm_cost ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor CostBench estimate_llm_cost ~/.cursor/mcp.json
- VS Code CostBench estimate_llm_cost .vscode/mcp.json
- Zed CostBench estimate_llm_cost ~/.config/zed/settings.json
- Windsurf CostBench estimate_llm_cost ~/.codeium/windsurf/mcp_config.json
- Cline CostBench estimate_llm_cost ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI CostBench estimate_llm_cost ~/.gemini/settings.json
- Grok CostBench estimate_llm_cost .mcp.json (in your project root)
- ChatGPT CostBench estimate_llm_cost Settings → Connectors → Advanced → Developer mode
- Claude.ai CostBench estimate_llm_cost Settings → Connectors → Add custom connector
- LangChain CostBench estimate_llm_cost pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http mcp https://costbench.com/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 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.