Nexoxa BridgeNexoxa Bridge

Security

How Cursor MCP connects safely to databases

AI for your database should not mean shipping production passwords to a cloud prompt. Here is the local-first MCP pattern.

Last reviewed: July 10, 2026

Get nexoxa-mcpGet Nexoxa Bridge from Microsoft Store

Disclosure: We make Nexoxa Bridge. It is included here because it is a genuine fit for this comparison — clearly labeled so you can weigh it accordingly.

Most “AI database” demos paste a connection string into a cloud agent. That is convenient — and a credential leak waiting to happen. Nexoxa Bridge + nexoxa-mcp invert the default: the desktop app holds secrets; Cursor only sees tools and names you approve.

The unsafe pattern

Putting `postgresql://user:password@prod...` into chat history, MCP env files committed to git, or cloud agents that require your URL. Even “read-only” prompts can exfiltrate secrets if the model or logs retain them.

The Bridge pattern

1) Save the connection in Nexoxa Bridge under a human name. 2) Unlock the local vault. 3) Configure Cursor with `npx -y nexoxa-mcp`. 4) Call `nexoxa_bridge_connect` with `{ name: "Production Postgres" }` — never a URL.

What the model can see

Schema summaries, knowledge-graph reports, query results you explicitly run. What stays local: full URLs with passwords, SSH private keys, S3 secrets, SMTP passwords — unless you paste them yourself.

Practical checklist

Use read-only DB roles for AI sessions. Prefer staging connections for exploratory prompts. Review MCP tool allowlists. Disconnect when done. Treat Copilot BYOK keys like any other secret in the OS vault.

Product details

Nexoxa Bridge

Since 2025Featured

Local-first database and infrastructure studio for Windows

Best for: Windows developers who want databases, SSH, SFTP/S3, and SMTP in one local-first studio — with optional Cursor MCP by connection name

Key differentiator: One Windows workbench for PostgreSQL, MySQL, MongoDB, Redis, LibSQL, SSH, S3, SFTP/FTP, and SMTP — credentials encrypted on-device; Cursor talks via nexoxa-mcp using saved names, never raw URLs.

Pros

  • Multi-engine databases plus SSH, SFTP/S3, and SMTP in one app
  • Local encrypted vault — credentials stay on your machine
  • FK knowledge graph and schema-aware Copilot (BYOK)
  • Cursor MCP connects by saved connection name only
  • Free tier with up to 5 saved connections on Microsoft Store

Cons

  • Windows desktop today (not macOS/Linux yet)
  • Desktop app is proprietary; public npm packages (nexoxa-mcp) are open for integration

Supported

  • PostgreSQL
  • MySQL
  • MariaDB
  • MongoDB
  • Redis
  • LibSQL
  • Turso
  • SSH
  • S3
  • SFTP
  • FTP
  • SMTP

Pricing: Free (5 connections)$9/mo Pro

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Free on the Microsoft Store for up to 5 connections. Credentials stay on your machine.

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