Compare two AI tools side by side
Put any two skills or MCP servers next to each other: risk grade, what each can access, how popular it is, and how to install it.
| What | @21st-dev/cli | next-devtools-mcp |
|---|---|---|
| Risk grade | DD · High risk signals Based on public adoption and transparency signals as of Oct 19, 2026. Our opinion, not a code audit or security guarantee. | AA · Few risk signals Based on public adoption and transparency signals as of Oct 24, 2026. Our opinion, not a code audit or security guarantee. |
| Type | App connector | App connector |
| Est. context load | ~550 tokens / turn (~3 tool schemas, 0.27% of 200k context) | ~1k tokens / turn (~6 tool schemas, 0.5% of 200k context) |
| GitHub stars | 20 | 834 |
| Weekly npm downloads | — | 132k |
| Local files | No local folder access noted | No local folder access noted |
| Command execution | Runs shell or system commands | No shell command runner noted |
| Network reach | Local or standard API calls | Connects to outside service API |
| Credentials | No API token required | No API token required |
| Package source | npm (@21st-dev/cli) | npm (next-devtools-mcp) |
| Install command | npx -y @21st-dev/cli | npx -y next-devtools-mcp |
| Bottom line | Signal-based grade (1/7 points): public source code. This reflects adoption and transparency, not a code review. | This tool gives Claude direct access to your Next.js project and development environment, so only use it on projects you control and trust, and be cautious about what files and secrets are in your project directory. |
Based on public adoption and transparency signals as of Oct 28, 2026. Our opinion, not a code audit or security guarantee.
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