A side-by-side look at the Magic MCP and SalesBook by MaxedS 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 SalesBook by MaxedS for developer tools. You can also run both side by side in one mcpServers block.
TWENTY_FIRST_API_KEY, API_KEY_21ST.search_startups, get_profile, get_tombstones.Rows where the two servers differ are marked.
| Spec | S SalesBook by MaxedS | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 53/100 · Good | 53/100 · Good |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | API key required | No auth required |
| Pricing | Paid service | Free |
| Required env vars | TWENTY_FIRST_API_KEYAPI_KEY_21ST | None listed |
| 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 | 5 |
| Full listing | View Magic MCP | View SalesBook by MaxedS |
No tool names declared yet. Check the project README from the listing page.
search_startupsSearch the Salesbook Top-100 corpus by keyword (name, problem, solution). Returns a short text list of ranked matches. Sector is optional: omit it to search all sectors (retail, manufacturing, healthcare, education, horizontal).get_profileFull evidence-graded startup profile: identity, problem, solution, stage, team, buyer-fit score. Every field carries source, date, and confidence. Profiles are AI-researched from public sources; founders review and correct low-confidence fields.get_tombstonesDeal tombstones for a startup: dated, sourced public claims of enterprise commercial wins, graded T1 (contract/rollout) to T4 (logo wall). Default confidence is claimed-unverified; F500-confirmed records are marked corroborated.get_rankingTop-100 ranking for a sector and period, with per-startup scores and the methodology version used.get_methodologyThe published ranking methodology: weights, tombstone tier definitions, confidence labels, and honesty guarantees. Versioned; every ranking cites its methodology version.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.
{
"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"
}
}
}
}
No confirmed install command for SalesBook by MaxedS yet — follow the setup steps linked from its listing page rather than a guessed package name.