Free Online Builders
Tools that help you construct configurations, queries, and structured outputs step by step.
Design multi-step AI prompt chains with variable references between steps.
Generate correct authentication headers for AI API providers.
Visually build JSON schemas for AI function calling and structured output.
Build content filter rules for LLM output: blocked words, regex patterns, PII detection, and format constraints.
Build structured AI prompts with role, task, context, and output format fields.
Build AI API request payloads and cURL commands for any provider.
Build structured system prompts for Anthropic Claude using XML tags.
Build Anthropic Messages API request payloads and cURL commands.
Build structured prompts for Google Gemini AI models.
Build Google Gemini API request payloads and cURL commands.
Build structured prompts in LLaMA instruct format with <<SYS>> and [INST] tags.
Build Ollama LLaMA API request payloads and cURL commands.
Build structured system prompts for ChatGPT and GPT-4o.
Build OpenAI Chat Completions API request payloads and cURL commands.
FAQ
- What do builder tools do?
- Builder tools provide a guided interface for constructing complex outputs like API requests, SQL queries, or configuration files without needing to write everything from scratch.
- Are built outputs editable?
- Yes, all builders produce text output that you can copy and modify as needed.