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MindsDB Query Engine

Federated SQL and semantic search across live data for AI agents

MindsDB Query Engine is a self-hosted, SQL-compatible federated query layer for AI agents. It connects live databases, warehouses, SaaS apps, documents, and vector stores without requiring a separate ETL pipeline; adds knowledge bases for semantic and hybrid retrieval; and exposes the result through SQL, MCP, HTTP, and MySQL/PostgreSQL-compatible interfaces. It is separate from MindsHub, the same team's hosted agent workspace.

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About MindsDB Query Engine

MindsDB Query Engine sits between agents/SQL clients and 200+ live sources. It pushes source-specific work down, supports cross-source queries and views, and presents one SQL-compatible surface over databases, warehouses, SaaS applications, files and vector stores.

Knowledge Bases combine embeddings, optional reranking, vector/BM25 hybrid retrieval and metadata filters; jobs/triggers keep indexes and derived data current. The engine runs through Docker or PyPI and exposes HTTP editor plus MySQL/PostgreSQL wire protocols.

Query Engine remains a standalone, maintained product at mindsdb/engine; MindsHub is a separate hosted agent workspace. Core code is source-available under ELv2 while some integration directories carry MIT terms, so the catalog must not label the whole product OSI-open-source or attach MindsHub cloud pricing to it.

Pricing & Platform Specs

Pricing Summary

Free self-hosted under Elastic License 2.0 for internal applications; managed service/SaaS reselling prohibited without commercial license. MindsDB Cloud Pro starts at $40/mo, Enterprise custom.

full pricing breakdown →

Supported Platforms

Docker, PyPI, HTTP editor, MySQL/PostgreSQL wire protocols, SQL/MCP, 200+ integrations

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Alternatives

All MindsDB Query Engine alternatives →
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Side-by-Side Comparisons

vanna ai
Vanna AI
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MindsDB Query Engine
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AI2SQL logo
AI2SQL

Vanna AI vs MindsDB vs AI2SQL — Text-to-SQL & AI Database Tools Compared

Querying databases with natural language has become a practical reality in 2026, enabling non-technical team members to extract insights without writing SQL. This comparison examines three distinct approaches: Vanna AI as an open-source text-to-SQL framework that learns your database schema, MindsDB as an AI-in-database platform that brings machine learning directly into SQL workflows, and AI2SQL as a focused SaaS tool for generating SQL queries from plain English descriptions.

Vanna AIMindsDB Query EngineAI2SQL

Community experience

Sources & verification

Sources checked
Content verified

Verification dates are editorial checks. Routine CMS saves and automatic updatedAt timestamps do not advance them.

FAQ

What is MindsDB Query Engine?

MindsDB Query Engine is a self-hosted, SQL-compatible federated query layer for AI agents. It connects live databases, warehouses, SaaS apps, documents, and vector stores without requiring a separate ETL pipeline; adds knowledge bases for semantic and hybrid retrieval; and exposes the result through SQL, MCP, HTTP, and MySQL/PostgreSQL-compatible interfaces. It is separate from MindsHub, the same team's hosted agent workspace.

Is MindsDB Query Engine free?

MindsDB Query Engine offers a free tier alongside paid plans. Free self-hosted under Elastic License 2.0 for internal applications; managed service/SaaS reselling prohibited without commercial license. MindsDB Cloud Pro starts at $40/mo, Enterprise custom.

Is MindsDB Query Engine still maintained?

Yes — MindsDB Query Engine is active. Its listing was last verified on September 6, 2026.

What are the best MindsDB Query Engine alternatives?

The first editor-selected MindsDB Query Engine alternatives are Mocha, Nextra, Fumadocs.

How does MindsDB Query Engine score in our review?

The published editorial review lists MindsDB Query Engine at 78/100 overall across speed, privacy, and developer experience. Check the review's evidence status and test metadata for its verification level.