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Safely let agents access Postgres, MySQL, and Redis with read-only defaults.
Copy the install command and let the AI configure it · recommended for beginners
Please install the "io.github.Wangggym/quarry" MCP server from askskill: Run: claude mcp add 'io-github-wangggym-quarry' -- uvx quarry-db
Connect to the company's production Postgres database in read-only mode, query the number of new users added in the last 7 days, and return the results grouped by date without performing any write operations.
A read-only query result showing new users grouped by date, with no database changes made.
Inspect the number of session-related keys in Redis, their TTL distribution, and memory usage, then generate a brief diagnostic summary without deleting or modifying any keys.
A cache health analysis and diagnostic summary with key metrics and possible risks, without changing any data.
Read the latest 100 anomalous orders from a MySQL orders database and the corresponding user records from a Postgres user database, identify inconsistent statuses, and summarize the findings while staying read-only throughout.
A cross-database comparison report listing inconsistent records and a short explanation, with no update operations executed.
Add persistent semantic memory to SQL databases for smarter retrieval and context.
Connect to PostgreSQL across projects to inspect schemas, run queries, and analyze performance.
Query and manage remote PostgreSQL databases securely using natural language.
Query and explore PostgreSQL databases with SQL, tables, and schema inspection.
Securely connect AI agents to self-hosted databases for simple querying.
Safely query SQL and NoSQL databases through AI with zero setup.