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Automate Supabase database queries, table management, project administration, storage, edge functions, and SQL execution via Rube MCP (Composio). Always search tools first for current schemas.
Passed 18 of 21 test cases with the skill, and 12 of 21 without it.
and 5 more in the full report
8 fixed13 passed either way3 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
I am writing a complex SQL query to run against project `abcdefghijklmnopqrst` using `SUPABASE_BETA_RUN_SQL_QUERY` to generate a report on recent sales. I don't want any risk of modifying data. Which parameter should I set to true on the tool call?
| Checked | Without skill | With skill |
|---|---|---|
| Recommends setting read_only to true on SUPABASE_BETA_RUN_SQL_QUERY. | Missed | Passed |
The instructions your model reads when the skill loads.
Automate Supabase operations including database queries, table schema inspection, SQL execution, project and organization management, storage buckets, edge functions, and service health monitoring through Composio's Supabase toolkit.
RUBE_MANAGE_CONNECTIONS with toolkit supabaseRUBE_SEARCH_TOOLS first to get current tool schemasGet Rube MCP: Add https://rube.app/mcp as an MCP server in your client configuration. No API keys needed — just add the endpoint and it works.
RUBE_SEARCH_TOOLS respondsRUBE_MANAGE_CONNECTIONS with toolkit supabaseWhen to use: User wants to read data from tables, inspect schemas, or perform CRUD operations
Tool sequence:
SUPABASE_LIST_ALL_PROJECTS - List projects to find the target project_ref [Prerequisite]SUPABASE_LIST_TABLES - List all tables and views in the database [Prerequisite]SUPABASE_GET_TABLE_SCHEMAS - Get detailed column types, constraints, and relationships [Prerequisite for writes]SUPABASE_SELECT_FROM_TABLE - Query rows with filtering, sorting, and pagination [Required for reads]SUPABASE_BETA_RUN_SQL_QUERY - Execute arbitrary SQL for complex queries, inserts, updates, or deletes [Required for writes]Key parameters for SELECT_FROM_TABLE:
project_ref: 20-character lowercase project referencetable: Table or view name to queryselect: Comma-separated column list (supports nested selections and JSON paths like profile->avatar_url)filters: Array of filter objects with column, operator, valueorder: Sort expression like created_at.desclimit: Max rows to return (minimum 1)offset: Rows to skip for paginationtest cases passed, vs 12 / 21 without
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