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Supabase MCP Server

Safe default: deep access, cheap, and scopeable.

Among the most capable database servers — which is the risk: unrestricted, an agent can alter schema. Read-only flag first, loosen deliberately.

Database
4.5/5

Agent-readiness

Excellent overall

Weighted across four pillars

Reach4.5
Cost5
Control4
Trust5
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What an agent can do here

Official MCP server for Postgres-backed Supabase projects — agents run queries, apply migrations, manage branches and read logs.

Action depth
Admin

Agents can change configuration and infrastructure, not just content.

Hosting
Self-run

You run the server process yourself.

Auth
API key
Unattended
Headless-capable

A long-lived token works, so this can run on a schedule.

Blast radius
High

A wrong call is expensive, public, or irreversible.

Permission scoping: Granular scopes

What it costs to let an agent act

FreeUnmetered

Free tier works. Ship it with --read-only and a project scope unless you intend agents to run DDL.

How the score breaks down

Every factor below is scored by a fixed rubric, not by opinion — so two tools with the same shape always get the same number.

Reach

Excellent4.5/5

Can an agent actually do the job?

  • MCP serverFirst-party2/2
  • Action depthAdmin1.5/1.5
  • HostingSelf-run0.5/1
  • Fallback pathAPI + CLI0.5/0.5

Cost

Excellent5/5

What does it cost to let the agent act?

  • Plan requiredFree3/3
  • Usage meteringUnmetered2/2

Control

Good4/5

Can I let it run unattended?

  • Permission scopingGranular scopes1.5/1.5
  • Unattended authHeadless-capable1.5/1.5
  • Blast radiusHigh0.5/1.5
  • Auth frictionAPI key0.5/0.5

Trust

Excellent5/5

Will this still work next month?

  • MaintainerVendor2/2
  • MaturityGenerally available1.5/1.5
  • Research confidenceHigh1/1
  • FreshnessVerified 43d ago0.5/0.5

Supabase vs other database tools

Sorted by overall score. Supabase alternatives → Filter and sort the full category →

Database MCP servers compared
ToolOverallReachCostControlTrustCost to actCan doRisk
NeonExcellentBest agent-safety story in databases: instant branches mean a destructive agent action is a discarded branch, not an incident.
4.5
5
5
3.5
5
FreeUnmeteredAdminNeeds a humanLowblast radius
SupabaseExcellentAmong the most capable database servers — which is the risk: unrestricted, an agent can alter schema. Read-only flag first, loosen deliberately.
4.5
4.5
5
4
5
FreeUnmeteredAdminHeadlessHighblast radius
MongoDBExcellentCovers both data and infrastructure, which is unusual — and means an agent can spin up billable clusters. Scope the API key.
4.5
4.5
5
4
5
FreeUnmeteredAdminHeadlessHighblast radius
PrismaExcellentUnusually well-matched to coding agents: the MCP server, the CLI and the schema language all target the same workflow.
4.5
4.5
5
3
5
FreeUnmeteredAdminHeadlessMediumblast radius
ClickHouseExcellentRead-only by design and better for it — an analytics warehouse is exactly where you want agents querying, not writing.
4.5
3
5
5
5
FreeUnmeteredRead onlyHeadlessLowblast radius
RedisGoodVendor-maintained and full read/write — treat it like production shell access, because on a cache that is what it is.
4
4.5
5
2.5
5
FreeUnmeteredAdminHeadlessHighblast radius

Supabase MCP FAQ

Does Supabase have an MCP server?

Yes. Supabase ships an official MCP server (self-run, generally available). It scores 4.5/5 for agent-readiness on MCP Index.

Is the Supabase MCP server free?

Yes — no paid plan is required before an agent can act. Free tier works. Ship it with --read-only and a project scope unless you intend agents to run DDL.

Can an AI agent make changes in Supabase?

Yes, including admin actions: agents can change Supabase configuration and settings, not just content.

How does an agent authenticate with Supabase?

API key. A long-lived credential works, so it can run unattended in scheduled jobs and CI.

Which AI agents work with the Supabase MCP server?

Verified with Claude, Cursor, Windsurf.

What are the best Supabase MCP alternatives?

By agent-readiness score in the same category: Neon, MongoDB, Prisma.

Maintain Supabase? Show the score

Add the live agent-readiness badge to your README or docs. It updates whenever the listing is re-verified.

Supabase on MCP Index

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How we know

Last verified
2026-09-29 · 43d ago
Research confidence
high
Maturity
Generally available

Spotted something wrong? Send a correction — vendor corrections are applied first.

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