Most database MCP servers make you run one query at a time, repeat connection details on every call, and return results double-encoded inside JSON strings. a2db fixes all of that: Pre-configured connections — define databases in .mcp.json with --register, agent queries immediately Batch queries — run multiple named queries in a single tool call
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[](https://m8ven.ai/mcp/yoselabs-a2db-tvmks7)