Magic MCP vs Osdev Wiki MCP
A side-by-side look at the Magic MCP and Osdev Wiki MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
O
Osdev Wiki MCPDeveloper Tools · Local subprocess (stdio)The OSDev wiki (wiki.osdev.org) offline and searchable: search, sections, links.53GoodAuth: no auth requiredVerdict: choose Magic MCP for developer tools work as a local process; choose Osdev Wiki MCP for developer tools 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.
OChoose Osdev Wiki MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
OSDEV_WIKI_DIR. - You want tools like
wiki_search, wiki_sections, wiki_page.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | O Osdev Wiki MCP | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 53/100 · Good | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | No auth required |
| Pricing | Paid service | Free |
| Required env vars | TWENTY_FIRST_API_KEYAPI_KEY_21ST | OSDEV_WIKI_DIR |
| Verified owner | Community listing | Community listing |
| GitHub stars | 5,997 | 0 |
| Directory activity | 16 views 1 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | 6 |
| Full listing | View Magic MCP | View Osdev Wiki MCP |
Tools & capabilities
Magic MCP tools
No tool names declared yet. Check the project README from the listing page.
Osdev Wiki MCP tools 6
wiki_searchRanked full-text search with match snippets. Titles and redirect names count most, and an exact title match is marked `*`.wiki_sectionsA page's outline: numbered headings with their sizes.wiki_pageA page as plain text, or one section (by number or heading) including its subsections. Code blocks are kept verbatim and redirects are followed.wiki_linksWhat a page links to (flagging links to pages that don't exist) and what links to it, including links made through a redirect.wiki_updateFetch the newest dump and rebuild the index. It does nothing if the index is already current.wiki_statusShows the source dump, page counts, the index's age and its location.
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"
}
}
}
}
Osdev Wiki MCP
{
"mcpServers": {
"osdev-wiki-mcp": {
"command": "uvx",
"args": [
"osdev-wiki-mcp"
],
"env": {
"OSDEV_WIKI_DIR": "YOUR_OSDEV_WIKI_DIR_HERE"
}
}
}
}
Frequently asked questions
Magic MCP is categorized under Developer Tools and uses a local stdio subprocess. Osdev Wiki MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Magic MCP for developer tools work and Osdev Wiki MCP 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.
Magic MCP is listed as a paid service. Auth: api key required. Osdev Wiki MCP is listed as free. Auth: no auth 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 osdev-wiki-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. Osdev Wiki MCP has 53/100 (Good) with 0 views, 0 installs and 0 GitHub stars.