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Database & Backend MCP Servers for OpenAI Codex

Query and manage databases and backends such as Supabase, Neon and MongoDB from your agent. Every listing below works with OpenAI Codex. Free GitHub projects and paid options are ranked together.

Updated October 2026 · 6 listings · stars refreshed daily from GitHub

How to add database & backend MCP servers to OpenAI Codex

Codex reads MCP servers from ~/.codex/config.toml under [mcp_servers.<name>] tables, or add one with codex mcp add.

All MCP servers 74Docs & code context MCP servers 18Developer tool MCP servers 16Web search & scraping MCP servers 9Design MCP servers 7Cloud & deployment MCP servers 6Database & backend MCP servers 6Productivity MCP servers 5MCP platforms & gateways 4Browser & testing MCP servers 3
1

Supabase MCP 🔌 MCP serverFreemium

Manage Supabase projects, databases, migrations and edge functions from your agent

★ 2.9k · +6 this week

8.5 GitHub ↗
5

OpenViking 🔌 MCP serverOpen source

Open-source context database giving agents shared memory, resources and skills

★ 39k · +450 this week

7.5 Visit ↗
6

MCP Server for MySQL 🔌 MCP serverOpen source

Read-only-by-default MySQL access with opt-in writes, SSH tunnels and PII masking

★ 2.1k · +1 this week

7.2 GitHub ↗

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