head to head · open source
Milvus vs mcp-toolbox
Milvus has 46,563 GitHub stars, 4,325 forks, 1,405 open issues and last shipped yesterday. mcp-toolbox has 16,792 stars, 1,787 forks, 292 open issues and last shipped yesterday. Milvus leads on adoption by 177% (46,563 vs 16,792 stars). Milvus is written in Go under Apache-2.0; mcp-toolbox is written in Go under Apache-2.0. Milvus has attracted 9% as many forks as stars, mcp-toolbox 11%. Milvus was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Milvus | mcp-toolbox | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 17K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.3K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Milvus if
- You weight community size — 47K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick mcp-toolbox if
- You want the mcp-toolbox feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and mcp-toolbox fits your workflow better
About Milvus
What is Milvus? 🐦 Milvus is a high performance vector database built for scale. It powers AI applications by efficiently organizing and searching vast amounts of unstructured data, such as text, images, and multi modal information. 🧑💻 Written in Go and C++, Milvus implements hardware acceleration for CPU/GPU to achieve best in class vector search performance. Thanks to its fully distributed and K8s native architecture, Milvus can scale horizontally, handle tens of thousands of search queries on billions of vectors, and keep data fresh with real time streaming updates. Milvus also supports Standalone mode for…
read the full Milvus overview →
About mcp-toolbox
MCP Toolbox for Databases MCP Toolbox for Databases is an open source Model Context Protocol (MCP) server that connects your AI agents, IDEs, and applications directly to your enterprise databases. It serves a dual purpose : 1. Ready to use MCP Server (Build Time): Instantly connect Gemini CLI, Google Antigravity, Claude Code, Codex, or other MCP clients to your databases using our prebuilt generic tools . Talk to your data, explore schemas, and generate code without writing boilerplate. 2. Custom Tools Framework (Run Time): A robust framework to build specialized, highly secure AI tools for your production…
read the full mcp-toolbox overview →
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Frequently asked questions
Is Milvus or mcp-toolbox more popular?
Milvus has 46,563 GitHub stars and mcp-toolbox has 16,792. Milvus has the larger community by that measure.
Are Milvus and mcp-toolbox free?
Both are open source. Milvus is licensed under Apache-2.0 and mcp-toolbox under Apache-2.0. Neither carries a licence fee.
What is the difference between Milvus and mcp-toolbox?
Milvus is written in Go and mcp-toolbox in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Milvus or mcp-toolbox?
Choose Milvus if you want the larger community (46,563 stars) or its Apache-2.0 licence terms. Choose mcp-toolbox if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.