All Tools
Free online tools for AI developers. Token counter, model pricing calculator, MCP manifest generator, prompt tools, and more.
AI Token Counter
Count tokens for GPT-4o, Claude, Llama, Gemini, and more. See costs instantly.
AI Model Pricing Calculator
Compare costs across 30+ AI models. Estimate your monthly spend 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.
AI Coding Rules Generator
Generate config files for Cursor, Claude Code, Windsurf, and GitHub Copilot from a single form.
Cursor Rules Generator
Generate .cursorrules files for the Cursor AI IDE. Pick your stack, set coding conventions.
AGENTS.md Generator
Generate AGENTS.md files to guide AI coding agents. Supports Claude Code, Copilot, Cursor, Devin, and more.
A2A Agent Card Generator
Generate A2A Agent Card JSON for Google's Agent-to-Agent protocol. Define skills, capabilities, and security schemes.
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.
Prompt Template Library
Curated collection of system prompt templates for coding, writing, analysis, and more.
System Prompt Generator
Build effective system prompts step by step. Define role, task, format, and constraints visually.