Magic MCP vs Ownhand
A side-by-side look at the Magic MCP and Ownhand MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
O
OwnhandDeveloper ToolsWrite in the user's own voice, fitted to the occasion. Learns from the text they actually send.48FairAuth: oauth 2.0Verdict: choose Magic MCP for developer tools work as a local process; choose Ownhand for developer tools. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Magic MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
TWENTY_FIRST_API_KEY, API_KEY_21ST.
OChoose Ownhand when
- You need dedicated capabilities in the Developer Tools domain.
- Its auth model fits you: OAuth 2.0.
- You want tools like
write, send_feedback, get_hand.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | O Ownhand | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 53/100 · Good | 48/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | API key required | OAuth 2.0 |
| Pricing | Paid service | Freemium |
| Required env vars | TWENTY_FIRST_API_KEYAPI_KEY_21ST | None listed |
Tools & capabilities
Magic MCP tools
No tool names declared yet. Check the project README from the listing page.
Ownhand tools 7
writeRewrites a draft so it reads like you wrote it, fitted to the occasion. Keeps every fact. Returns the text and a `request_id`.send_feedbackReports what you did with a draft (`approved`, `edited` with the exact sent text, or `rejected`) so your Hand learns.get_handLists your Hands, or shows what one has learned: style card, rules, sample counts.create_handCreates a Hand from texts you wrote yourself.update_handAdds samples, sets how you describe your writing, pins, rejects or activates a learned rule, adds, edits or removes custom occasions, adds, edits or removes people, or rolls back to an earlier version.delete_handDeletes a Hand and its history, permanently.get_accountShows your account, credit balance, recent charges and usage.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Magic MCP
{
"mcpServers": {
"21st-dev-magic-mcp": {
"command": "npx",
"args": [
"-y",
"@21st-dev/cli@latest"
],
"env": {
"TWENTY_FIRST_API_KEY": "YOUR_TWENTY_FIRST_API_KEY_HERE",
"API_KEY_21ST": "YOUR_API_KEY_21ST_HERE"
}
}
}
}
Ownhand
No confirmed install command for Ownhand yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Magic MCP is categorized under Developer Tools and uses a local stdio subprocess. Ownhand belongs to Developer Tools and uses an install path we have not confirmed yet. Pick Magic MCP for developer tools work and Ownhand for developer tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Ownhand has no confirmed install command yet — follow its own setup instructions.
Magic MCP is listed as a paid service. Auth: api key required. Ownhand is listed as freemium — a free tier with paid plans. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add 21st-dev-magic-mcp and ownhand as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Magic MCP has a quality signal of 53/100 (Good) with 16 views, 1 installs and 5,997 GitHub stars. Ownhand has 48/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.
