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Supabase MCP

situationalBlueshift — gaining momentum

Supabase's hosted MCP — SQL, migrations, functions. Vendor says keep it off production.

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ledger entry · observed by @whysanesanders

Official hosted MCP at mcp.supabase.com: list tables, execute SQL, apply migrations, deploy functions, even create projects. A read_only flag and project_ref exist. Supabase's own docs say never point this at production data — development and testing only.

Strengths

  • Official Supabase server with OAuth (no PAT required for interactive clients).
  • Feature groups and read_only=true / project_ref on the URL, not a fork.
  • Local CLI MCP at http://localhost:54321/mcp for local development.

Known limitations

  • execute_sql and apply_migration are write tools unless read_only=true is set.
  • Unscoped URL can see every project in the org.
  • Storage group is off by default; branching is experimental and paid-plan.

Use it when

  • Agents scaffolding a new Supabase project or reading schema in development.
  • A read-only URL against a staging project, not the prod database.

Skip it when

  • The project is production — vendor docs say this MCP is not for that.
  • You only needed docs search — that is a feature group, not a reason to enable SQL.
  • Branching tools on a Free plan — branching is a paid-plan group.

Buy-check

  • ·Price — free, included with a Supabase account; hosted https://mcp.supabase.com/mcp; read_only=true and project_ref query params; branching tools need a paid plan as of 2026-08-26. Open the pricing page, not a screenshot.
  • ·Free tier — Free tier exists — burn it first.
  • ·Cancel fallout — What happens to your data/projects on cancel — check the ToS, not the FAQ.
  • ·Seat math — Per-seat pricing multiplies quietly. Count seats before the annual plan.
  • ·Who skips it — Also skipped when: The project is production — vendor docs say this MCP is not for that.; You only needed docs search — that is a feature group, not a reason to enable SQL..

Price trailchangelog →

No price move in this repo yet.

Facts

pricing
free1
price note
included with a Supabase account; hosted https://mcp.supabase.com/mcp; read_only=true and project_ref query params; branching tools need a paid plan
free tier
yes
open source
yes
api
yes
self-host
yes
category
mcp
evidence
source-verified

Data: trains on inputs unknown · local processing no

Sources

  1. 1supabase.com/docs/guides/ai-tools/mcp[snapshot]
  2. 2github.com/supabase/mcp[snapshot]

No source, no number.

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