In-depth architectural comparison of the Supabase Mcp Server and Compabase MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Supabase Mcp Server
Databases · Local stdio
Quality: 48/100 (Fair) | Auth: API Key required
Compabase
Databases · Remote HTTP/SSE
Quality: 49/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Supabase Mcp Server if you need specialized Databases tools running via a local process. Choose Compabase if your workspace requires Databases integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Supabase Mcp Server when:
You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: SUPABASE_PROJECT_REF, SUPABASE_DB_PASSWORD, SUPABASE_REGION, SUPABASE_ACCESS_TOKEN, SUPABASE_SERVICE_ROLE_KEY, QUERY_API_KEY.
Supabase Mcp Server is categorized under Databases and uses a local stdio subprocess. In contrast, Compabase belongs to Databases using remote streaming HTTP/SSE transport. Select Supabase Mcp Server when you need capabilities focused on databases and Compabase when you require tools for databases.
**Search and filter Polish companies.** Returns up to 50 results with key financial metrics per company.
count_companies
**Count companies matching a filter set.** Returns a single number without fetching rows — ideal for "how many" and market sizing questions.
get_company
**Full company profile by KRS or NIP.** Returns name, address, legal identifiers (KRS/NIP/REGON), latest financial metrics, PKD activity list, registration and closure dates.
get_financials
**Historical financial statements for a single company.** Returns all available P&L and balance sheet metrics broken down by fiscal year/period, in PLN.
get_company_people
**Board members, shareholders, and proxies for a company.** Returns display names, role labels, and relationship types (management / ownership / other).
execute_sql
**Read-only SQL SELECT** against the Compabase database. Used by the AI for complex aggregations, multi-table joins, and calculations that the structured tools cannot express.