calc-eval — 16 hex chars MCP Tool

• Claude Code 16 hex chars calc-eval run in your project directory
• Claude Desktop 16 hex chars calc-eval ~/Library/Application Support/Claude/claude_desktop_config.json
• Cursor 16 hex chars calc-eval ~/.cursor/mcp.json
• VS Code 16 hex chars calc-eval .vscode/mcp.json
• Zed 16 hex chars calc-eval ~/.config/zed/settings.json
• Windsurf 16 hex chars calc-eval ~/.codeium/windsurf/mcp_config.json
• Cline 16 hex chars calc-eval ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
• Gemini CLI 16 hex chars calc-eval ~/.gemini/settings.json
• Grok 16 hex chars calc-eval .mcp.json (in your project root)
• ChatGPT 16 hex chars calc-eval Settings → Connectors → Advanced → Developer mode
• Claude.ai 16 hex chars calc-eval Settings → Connectors → Add custom connector
• LangChain 16 hex chars calc-eval pip install langchain-mcp-adapters

Fastest route

claude mcp add --transport http hex-16 https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/hex-16/mcp

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