# Tessli Source Guide — 21st.dev

Use this source to Community-built React and Tailwind components designed for AI-assisted development

Tessli guide: /resources/21st-dev
Provider: https://21st.dev

## Use it when

- component-discovery
- agent-ui-implementation

## What to explore

- component-library
- code-implementation
- mcp-integration
- component
- code
- documentation

## How to access

- **cli (preferred):** Use the documented CLI workflow in the target project. Auth: unknown.
- **mcp:** Connect an MCP client to the recorded 21st.dev endpoint. Auth: none. (https://21st.dev/mcp)

## Important limitations

- Free semantic search; paid tiers for advanced agent generation

## Consider instead

- **Ant Design:** Recorded task fit: Enterprise Dashboard. Tessli guide: /resources/ant-design. Provider: https://ant.design.
- **Headless UI:** Recorded task fit: Accessible Ui Implementation. Tessli guide: /resources/headless-ui. Provider: https://headlessui.com.

## Interpretation boundaries

- Repository intelligence is not live-provider verification.
- Revalidate provider access, pricing, licensing, terms, availability, and time-sensitive claims.
- Tessli classifications are research guidance, not provider claims or universal rankings.
- No browser-local Board, Saved, account, cookie, or credential data is included.