All Tools
The homepage now focuses on pricing, models, MCP, and structured output. The full catalog stays here for long-tail workflows and internal links across 9 tool pages.
AI Model Pricing Calculator
Compare costs across 40+ AI models, including DeepSeek V4 cache-hit pricing. Estimate your monthly spend instantly.
AI API Throughput Planner & Cost Estimator
Estimate sustainable RPM, concurrency, and monthly cost before your AI API traffic hits provider limits.
AI Token Counter
Count tokens for GPT-4o, Claude, Llama, Gemini, and more. See costs instantly.
Free LLM VRAM Calculator — GPU Memory Check
Calculate GPU VRAM requirements for running local LLMs. Check if your GPU can run any model.
MCP Manifest Generator — Visual Editor
Build MCP server manifests visually. Add tools, resources, and prompts with a form-based editor.
MCP Config Validator
Validate MCP server configurations against the specification. Catch errors before deployment.
OpenAPI to MCP Converter
Convert any OpenAPI specification into MCP tool definitions automatically.
JSON Schema Builder
Build JSON schemas visually for LLM structured outputs, function calling, and API validation.
Prompt Diff & Version Compare
Compare two prompt versions side-by-side. See exactly what changed with token counts.