# HumanizerAI > Text rewriting and AI-text detection for writing workflows. Scores are estimates, not proof of authorship. No third-party detector pass rate is guaranteed. ## Start here - [Agent integration guide](https://humanizerai.com/docs/agent-guide.md): Authentication, REST requests, MCP setup, skills, error handling and verification. - [Integration prompt](https://humanizerai.com/agent-prompt.txt): Copy into your coding agent to implement an integration. - [Full agent context](https://humanizerai.com/llms-full.txt): Guide and prompt in one document. - [OpenAPI 3.1](https://humanizerai.com/openapi.json): REST contract. - [API documentation](https://humanizerai.com/docs/api): Human-readable setup and key management instructions. ## Skills - [Humanize skill](https://humanizerai.com/skills/humanize/SKILL.md): Rewrite requested text with review and credit awareness. - [Detect skill](https://humanizerai.com/skills/detect-ai/SKILL.md): Check text with careful score interpretation. ## Access Base URL: https://humanizerai.com/api/v1 Bearer API key required. Pro or Business plan required. Keys are created in Settings > API Keys. The MCP server is a local stdio process; there is no hosted HTTP MCP endpoint advertised here.