How to connect Supabase Read MCP to Claude Cowork

Connect Claude Cowork to Supabase Read MCP. List all databases in your project, show recent edge function logs, and more using natural language, with authentication handled for you.

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Supabase Read MCP is a read-only interface for inspecting Supabase projects and resources. Use it to audit and explore databases, schemas, Edge Functions, logs, and storage without write access.

21 Tools

Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your Supabase Read account to Cowork via Composio Connect, enabling it to list all databases in your project, show recent Edge Function logs, list storage buckets and sizes, and more such actions on your behalf without compromising your account security.

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Connecting Supabase Read to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your Supabase Read account

Back in Cowork, ask the agent to connect to Supabase Read or give it any Supabase Read-related task.

For example, ask Cowork to:

  • "List all databases in your project"
  • "Show recent Edge Function logs"
  • "List storage buckets and sizes"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your Supabase Read account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like Supabase Read through MCP without you sharing account credentials directly with the agent.

What is the Supabase Read MCP server, and what's possible with it?

The Supabase Read MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Supabase Read account. It provides structured and secure access so your agent can perform Supabase Read operations on your behalf.

TOOLS

Supported Tools

Every Supabase Read MCP action and event your agent gets out of the box.

Confirm cost

Ask the user to confirm their understanding of the cost of creating a new project or branch.

Execute sql

Executes raw SQL in the Postgres database.

Generate typescript types

Generates TypeScript types for a project.

Get advisors

Gets a list of advisory notices for the Supabase project.

Get cost

Gets the cost of creating a new project or branch.

Get edge function

Retrieves file contents for an Edge Function in a Supabase project.

Get organization

Gets details for an organization.

Get project

Gets details for a Supabase project.

Get project url

Gets the API URL for a project.

Get publishable keys

Gets all publishable API keys for a project, including legacy anon keys (JWT-based) and modern publishable keys (format: sb_publishable_.

Get storage config

Get the storage config for a Supabase project.

List branches

Lists all development branches of a Supabase project.

List edge functions

Lists all Edge Functions in a Supabase project.

List extensions

Lists all extensions in the database.

List migrations

Lists all migrations in the database.

List organizations

Lists all organizations that the user is a member of.

List projects

Lists all Supabase projects for the user.

List storage buckets

Lists all storage buckets in a Supabase project.

List tables

Lists all tables in one or more schemas.

Query logs

Runs a custom read-only ClickHouse SQL query against a Supabase project's unified logs stream, for filtering, aggregating, or joining across log fields more precisely than a simple per-service log dump.

Search docs

Search the Supabase documentation using GraphQL.

FRAMEWORKS

How to build Supabase Read MCP Agent with another framework

FAQ

Frequently asked questions

With a standalone Supabase Read MCP server, the agents and LLMs can only access a fixed set of Supabase Read tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Supabase Read and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Supabase Read tools.

Yes, absolutely. You can configure which Supabase Read scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Supabase Read data and credentials are handled as safely as possible.

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