# Subscribr > Subscribr is the YouTube content engine: niche research and video intel, idea generation, packaging (titles, hooks, thumbnails), long-form scriptwriting grounded in each channel's voice and audience, and script-to-video rendering via Subscribr Video. ## For AI agents - [Agent setup prompt](https://subscribr.ai/agent-setup/prompt.md): start here. How to connect over the CLI or MCP, what each path requires, the available tools, and a canonical first workflow. - CLI and API skill: `npm install --global @subscribrai/cli`, then `subscribr-install-skill`. An Agent Plugins 1.0 package bundling the `subscribr` CLI and the canonical `subscribr-api` skill. Best for coding agents; available on every plan, including free. - [API skill](https://subscribr.ai/skills/subscribr-api/SKILL.md): the same skill, readable without installing. - [YouTube Production skill](https://subscribr.ai/skills/youtube-production.md): the full playbook — plan, package, script, and render long-form videos. - MCP endpoint (Streamable HTTP): https://subscribr.ai/mcp/subscribr — every plan, including free, by OAuth sign-in or bearer token. - [Connect an AI agent](https://subscribr.ai/ai-agents): the human-facing version of the above — the three ways in (one-line setup, the Claude and ChatGPT directories, the MCP endpoint) and what each is for. - [Subscribr homepage](https://subscribr.ai): what Subscribr does and what it costs. ## Docs - [OpenAPI contract](https://subscribr.ai/openapi.json): the authoritative operation and schema inventory. - [REST API reference](https://subscribr.ai/youtube-api/reference) - [Help center](https://subscribr.ai/help)