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Tools

Free AI agent tools

Each tool does one job, in the browser or with a request that is not stored. No account.

Build

  • AGENTS.md generator

    Draft an AGENTS.md from your stack and commands. Copy or download the Markdown. Nothing you type is stored.

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Choose

  • Which AI agent fits me?

    Four questions, then three directory listings that match. No login.

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Cost & Pricing

  • AI agent cost calculator

    A 30-day token bill from official per-token prices. No login.

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  • Cursor vs Claude Code vs Codex pricing

    Seat prices read from the vendors' pages, plus the same token calculator.

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Evaluate & Secure

  • Prompt and tool checker

    Check OpenAI, Anthropic, or MCP tool JSON and estimate a 30-day bill. The prompt is not stored.

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  • AI agent harness evaluation checklist

    Twelve yes-or-no checks from public posts. The count stays in the browser.

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