Magic MCP vs Moxie Docs MCP
A side-by-side look at the Magic MCP and Moxie Docs MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Magic MCP for developer tools work as a local process; choose Moxie Docs MCP for knowledge & memory as a local process. 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.
Choose Moxie Docs MCP when
- You need dedicated capabilities in the Knowledge & Memory domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You want tools like
moxie.get_ai_context, moxie.get_doc_impact, moxie.get_api_context.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Knowledge & Memory |
| Quality signal | 53/100 · Good | 80/100 · Excellent |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | API key required |
| Pricing | Paid service | Freemium |
| Required env vars | TWENTY_FIRST_API_KEYAPI_KEY_21ST |
Tools & capabilities
Magic MCP tools
No tool names declared yet. Check the project README from the listing page.
Moxie Docs MCP tools 12
moxie.get_ai_contextCompact pre-edit briefing: repo status, verified commands, top conventions, open gaps, team notes. Read this first.moxie.get_doc_impactGiven the paths you're about to change (and any you're deleting), returns the conventions, gaps, and existing docs whose evidence overlaps them - and flags net-new/undocumented surfaces.moxie.get_api_contextGiven paths you're about to touch, returns structured context for any API endpoints they map to: method, path, schema, and known consumers/features.moxie.review_changeSelf-review a change before opening the PR; returns a severity-ranked verdict (clean / warnings / must-fix) covering convention breaches, stale docs, undocumented surface, and broken references.moxie.get_conventionsDiscovered coding conventions, grouped by category, with confidence scores, agent guidance, and source-file citations.moxie.search_docsSemantic + keyword search over generated docs, conventions, gaps, and AI context.moxie.get_doc_gapsUnresolved documentation gaps with severity and the paths they concern.moxie.get_documentation_opportunitiesRecommended doc work: missing docs, drift repairs, and PR templates.moxie.get_documentation_patternsHow the repository organizes and maintains its docs (where new docs belong).moxie.list_docsPaginated, section-grouped table of contents of every generated doc.moxie.propose_doc_update
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"
}
}
}
}
Moxie Docs MCP
{
"mcpServers": {
"moxie-docs-mcp": {
"command": "npx",
"args": [
"-y",
"moxie-docs"
]
}
}
}
Frequently asked questions
Magic MCP is categorized under Developer Tools and uses a local stdio subprocess. Moxie Docs MCP belongs to Knowledge & Memory and uses a local stdio subprocess. Pick Magic MCP for developer tools work and Moxie Docs MCP for knowledge & memory.
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.
Magic MCP is listed as a paid service. Auth: api key required. Moxie Docs MCP is listed as freemium — a free tier with paid plans. Auth: api key required. 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 moxie-docs-mcp 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. Moxie Docs MCP has 80/100 (Excellent) with 36 views, 25 installs and 2 GitHub stars.