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TL;DR

InstantDB is a Databases MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent create, manage, and update applications on InstantDB. Install in 1 minute with mcpizy install instantdb.

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InstantDB

Databases

Last updated May 30, 2026 · By MCPizy team

Create, manage, and update applications on InstantDB. Real-time sync database for web apps.

Install InstantDB

Via MCPizy CLI (recommended):
mcpizy install instantdb
Or run directly:
npx -y @instantdb/mcp
View on GitHub

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

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Alternatives to InstantDB

If InstantDB doesn't fit your stack, these Databases MCP servers solve similar problems.

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Neo4j

Graph database queries

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Elasticsearch

Full-text search and analytics engine

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Qdrant

Vector similarity search engine

Key Takeaways

  • InstantDB exposes an MCP interface for databases workflows in Claude Code, Cursor and Windsurf.
  • No authentication required — works out of the box once installed.
  • Install in 1 command: mcpizy install instantdb — config written to your client automatically.
  • Free and open source (GitHub source linked above) — verified compatible with every MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, VS Code + Copilot).
  • Best use case: automate databases workflows from your AI agent without leaving the editor.

Frequently asked questions

What is the InstantDB MCP server?

The InstantDB MCP server is an Databases Model Context Protocol server that lets Claude Code, Cursor, Windsurf, VS Code with Copilot, and other MCP-compatible AI agents create, manage, and update applications on InstantDB. It exposes InstantDB's capabilities as tools the AI can call directly from your editor or CLI.

How do I install InstantDB MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install instantdb` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y @instantdb/mcp` and restarting Claude Code.

Is InstantDB MCP free?

Yes. The InstantDB MCP server is free and open source (see the GitHub repository linked on this page). You may still need a InstantDB account or API key to connect the server to the underlying service, but the MCP layer itself has no MCPizy subscription cost.

Does InstantDB MCP work with Cursor and Windsurf?

Yes. Any MCP-compatible client works — including Claude Code, Claude Desktop, Cursor (via `.cursor/mcp.json`), Windsurf, VS Code with Copilot Chat, and custom agents built on the MCP SDK. The same install command targets all of them; only the config file path differs.

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What can I do with InstantDB MCP?

Once installed, your AI agent can create, manage, and update applications on InstantDB directly inside your conversation. Typical use cases include asking Claude Code or Cursor to run InstantDB operations, inspect results, chain InstantDB with other MCP servers (see our Workflow Recipes), and automate repetitive databases tasks without leaving your editor.