Free, 100% client-side tools for AI agents and prompt engineers. Your data never leaves your browser.
Score your agent's system prompt across 8 dimensions: identity, memory, safety, tools, autonomy, error handling, personality, context management.
NewScan memory files for injection attacks, credential leaks, compression drift, and provenance gaps. Severity-ranked findings with a 0-100 integrity score.
SecurityCompare two system prompt versions side by side. Visual diff with additions, deletions, and modifications highlighted. Track prompt evolution.
NewReal-time token estimation as you type. Context window usage bars and cost estimates for Claude, GPT-4, Llama, Gemini. Optimize for budget.
NewAnalyze the hidden structure of any system prompt. Detects roles, constraints, tools, security patterns, and suggests optimizations.
AnalysisEstimate tokens for any text, see what percentage of each model's context window you're using, and calculate cost per request.
Utility