AI Developer Tools
The developer workbench for AI. Prototype prompts, configure MCP servers, calculate tokens, and structure model configurations.
Flagship Tools
Our most popular AI configuration tools.
Vercel AI SDK Generator
Generate starter template Route Handlers and React Client components for streaming UI, text, and objects using Vercel AI SDK APIs.
MCP Builder
Generate config files for Model Context Protocol servers to integrate with Claude Desktop & Cursor.
.cursorrules
Build comprehensive project-specific AI coding guidelines for Cursor and Windsurf editors.
Prompts
View All →.cursorrules Generator
Generate project-tailored .cursorrules configuration files with code conventions, tech stack standards, and file hierarchy guidelines for Cursor IDE.
Claude System Prompt Builder
Craft XML-structured system prompts for Claude 3.5 Sonnet and Opus with explicit constraints, negative examples, and deterministic response formats.
GPT-4o System Prompt Generator
Create high-precision system instructions for OpenAI GPT-4o and o1/o3 reasoning models with strict JSON schema output formatting and safety boundaries.
Copilot Instructions Generator
Build customized .github/copilot-instructions.md files to teach GitHub Copilot repository conventions, testing paradigms, and preferred libraries.
Windsurf Rules Generator
Generate .windsurfrules configuration files for Codeium Windsurf Cascade agent with directory structure hints and workspace rules.
Few-Shot Prompt Formatter
Structure input-output demonstration pairs into clean few-shot prompt templates to significantly improve LLM accuracy on complex reasoning tasks.
Chain of Thought Prompt Builder
Construct step-by-step Chain of Thought (CoT) prompts with deliberation frameworks to boost model problem-solving on math, logic, and code.
AI Agent Persona Designer
Design nuanced multi-agent system personas with tone of voice, domain boundaries, escalation triggers, and tool authorization scopes.
Local Llm
View All →Ollama Modelfile Builder
Build custom Ollama Modelfile configurations with GGUF base models, system parameters (temperature, top_p), and custom prompt templates.
GGUF VRAM Estimator
Calculate GPU VRAM requirements for running quantized GGUF models (Q4_K_M, Q8_0, etc.) with specified context window sizes across Nvidia GPUs.
vLLM Config Generator
Generate production-ready vLLM engine configurations and launch arguments including tensor parallel size, max model len, and GPU memory utilization.
Context Window Memory Calculator
Estimate KV cache memory consumption for transformer models across sequence lengths (8k, 32k, 128k) and concurrent batch sizes.
HuggingFace Modelcard Generator
Create comprehensive README.md model cards for Hugging Face Hub with metadata YAML, license tags, evaluation tables, and usage examples.
OpenWebUI Pipeline Configurator
Generate Python pipeline filters and valve configurations for OpenWebUI to customize RAG retrieval, moderation, and user prompts.
Calculators
View All →LLM API Cost Calculator
Compare real-time API inference costs across OpenAI, Anthropic Claude, Google Gemini, and open-source cloud providers based on token usage.
Repo Token Estimator
Estimate token counts and context footprint for entire codebases to determine feasibility for 128k, 200k, and 1M context window LLMs.
Embedding Cost Calculator
Calculate vector embedding pricing for text datasets using OpenAI text-embedding-3-small/large, Voyage, and Cohere embedding APIs.
Fine-Tuning Cost Estimator
Estimate token volume, training epochs, and hosting costs for fine-tuning OpenAI GPT-4o-mini, Mistral, and Llama 3 models on custom datasets.
RAG Chunk Size Calculator
Determine optimal chunk size, overlap tokens, and embedding vector dimensions for retrieval-augmented generation (RAG) pipelines.
LLM Latency Benchmark Calculator
Estimate Time to First Token (TTFT) and token generation throughput (tokens/sec) based on model parameter size and cloud accelerator specs.
Schemas
View All →JSON Schema Tool Calling Generator
Convert TypeScript types or JSON objects into strict JSON Schema function definitions compatible with OpenAI and Anthropic tool calling.
Pydantic Structured Output Builder
Generate Python Pydantic V2 BaseModel schemas with Field descriptions and validators for OpenAI and Instructor structured outputs.
Vercel AI SDK Code Generator
Generate boilerplate Route Handlers and React Client components for streaming UI, text, and structured objects using the Vercel AI SDK.
Langchain Boilerplate Builder
Create modern LangChain and LangGraph pipeline templates in TypeScript and Python with prompt chains, memory, and tool integration.
MCP Config Builder
Generate claude_desktop_config.json and Cursor Model Context Protocol (MCP) server definitions with stdio and SSE transport.
REST API to AI Tool Converter
Transform OpenAPI / Swagger specifications and REST endpoints into executable AI agent tool declarations and parameter schemas.
Evals
View All →AI Guardrails Configurator
Configure input/output safety guardrails, regex redaction filters, PII sanitizers, and prompt injection defense policies for LLM applications.
Prompt Markdown JSON Escaper
Safely escape markdown, code fences, backticks, and quotation marks within JSON strings and LLM system prompts without syntax breakage.
JSONL Dataset Formatter
Format and validate raw prompt-completion pairs or multi-turn chat messages into strict OpenAI and Anthropic fine-tuning JSONL format.
LLM Eval Rubric Generator
Build structured automated evaluation rubrics and grading criteria for LLM-as-a-judge pipelines to score accuracy, safety, and conciseness.