supabase

Query Supabase/Postgres databases and inspect schemas via MCP-style commands.

Updated Dec 19, 2025
One-click install
npx skills add https://github.com/mmbianco78/signalroom --skill supabase-mmbianco78
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: supabase
Source: https://github.com/mmbianco78/signalroom/tree/main/.claude/skills/supabase
Command: npx skills add https://github.com/mmbianco78/signalroom --skill supabase-mmbianco78

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates database complexity by providing direct access to query data, inspect schemas, and troubleshoot connection issues.

Core Features & Use Cases

  • Database Queries: Execute SQL to check loaded data, verify pipeline results, and analyze marketing performance.

Quick Start

Use the supabase skill to check the row counts for the Everflow daily stats table from the last 7 days.

Quick Start

Use the supabase skill to query the recent conversion data from the Redtrack source.

Frequently Asked Questions about supabase

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I execute SQL queries against a Postgres database in Supabase?

Execute SQL queries directly against Supabase/Postgres using MCP-style commands to check loaded data, verify pipeline results, and analyze performance. The Skill supports both direct connections on port 5432 and pooler connections on port 6543, handling authentication and common connection errors automatically.

Can I inspect database schemas and list tables in Supabase?

Yes. Schema inspection commands list tables, fetch column definitions, and retrieve security advisories to troubleshoot connection issues and verify data structure integrity across local development and serverless pooler deployments.

What's the best way to troubleshoot Postgres connection issues in Supabase?

Use connection troubleshooting to verify authentication formats, test direct port 5432 or pooler port 6543 connectivity, and resolve common errors. The Skill returns detailed diagnostics to confirm successful database access before running queries.

How do I monitor data loads and verify row counts in Postgres tables?

Run SQL queries to check row counts, inspect recent data, and monitor pipeline results across Supabase tables. Query the schema and recent records to validate data ingestion and confirm expected data volumes from source systems.

Does this work with both direct and pooled Postgres connections?

Yes. The Skill supports direct connections on port 5432 for local development and pooler connections on port 6543 for serverless deployments, automatically handling authentication and connection mode selection.