Looking for the best MCP servers to install in Claude Desktop, Cursor, or Cline? Here are 20 of the most useful, all Sentinel L1.5 security-scanned on MarketNow.
Quick install
npx -y @marketnow/install <slug>
Or use the MarketNow MCP server to search from inside Claude Desktop:
{
"mcpServers": {
"marketnow": {
"command": "npx",
"args": ["-y", "marketnow-mcp"]
}
}
}
The list
- filesystem — File system access for Claude
- sqlite — SQLite database operations
- postgres — PostgreSQL query and management
- github — GitHub API integration
- brave-search — Web search via Brave
- puppeteer — Browser automation
- memory — Persistent memory for agents
- sequential-thinking — Step-by-step reasoning
- fetch — HTTP fetch capability
- time — Time and timezone
- slack — Slack messaging
- google-drive — Google Drive access
- notion — Notion workspace
- linear — Linear issue tracking
- sentry — Sentry error tracking
- stripe — Stripe payments
- vercel — Vercel deployments
- cloudflare — Cloudflare management
- docker — Docker container management
- kubernetes — K8s cluster operations
Why these?
Each of these MCP servers:
- Has a public GitHub repo
- Is actively maintained
- Passed Sentinel L1.5 security audit (6-point scan: AUTH, prompt injection, input validation, CORS, OAuth, rate limiting)
- Has a clear install command
- Works with Claude Desktop, Cursor, Cline, Continue, Aider
Find more
Browse 8,560 MCP servers at marketnow.site. 43 are free — no signup, no payment, no mandate required.
About MarketNow
MarketNow is the trust layer for agent commerce. Discovery is solved (MCP registry); trust is not. We provide:
- Sentinel L1.5 security audit on every skill
- review_status: auto-scanned | human-reviewed | maintainer-verified
- x402 payments (HTTP 402, USDC on Base)
- AP2-compatible mandates (human-in-the-loop by default)
- Public audit log (every mandate transaction is a git commit)
Open source MIT, maintained by AliceLabs LLC (Ecuador).
Links
— Edison Flores
Top comments (0)