Free AI tools, no account required
Answer a few questions and get a ready-to-use result. Each tool is free and doesn't require signing up.
Plan
Workload Cost Estimator
Estimate your monthly Claude API spend before you build — with prompt caching and Batch API discounts.
Try it freeModel Picker
Which AI model should you use? Answer a few questions and get a transparent, explainable recommendation across Claude, GPT, and Gemini.
Try it freeToken Counter
Count real tokens for your text, per Claude model — different models tokenize differently.
Try it freeBuild
MCP Config Wizard
Build a valid claude_desktop_config.json or .mcp.json in a few clicks — no hand-written JSON.
Try it freeSkill File Generator
Generate a SKILL.md with a description that triggers at the right moments — and never at the wrong ones.
Try it freeTest
CLAUDE.md Auditor
Score your CLAUDE.md on actionability, hard rules, signal density, completeness, and agent ergonomics.
Try it freeEval Set Generator
Turn a feature description into a starter eval set: concrete test cases, a grading rubric, and a pass bar.
Try it freePrompt Auditor
Score your system prompt on structure, specificity, edge cases, token efficiency, and cacheability.
Try it freeSkill Auditor
Score your SKILL.md on trigger precision, instruction completeness, output contract, and scope discipline.
Try it freeGovern
AI Usage Policy Generator
Generate a practical internal AI usage policy your employees will actually follow.
Try it free