FastMCP 3.0
The fast, Pythonic way to build MCP servers and clients
Mastra
Build AI agents with a modern TypeScript stack
Updated February 2026
| FastMCP 3.0 | Mastra | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 3 | 2 |
| Pros | 0 | 0 |
| FactScore™ | 30.1 | 23.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in FastMCP 3.0 — Pros
No unique pros listedBoth tools — Pros
—Only in Mastra — Pros
No unique pros listedOnly in FastMCP 3.0 — Cons
—Both tools — Cons
—Only in Mastra — Cons
—Details
| FastMCP 3.0 | Mastra | |
|---|---|---|
| Categories | AI Infrastructure Tools, LLM Developer Tools | LLM Developer Tools, AI Agent Automation |
| Platforms | Web | Web |
| Became Popular | January 21, 2026 | January 21, 2026 |
| Website | gofastmcp.com | mastra.ai |
Who Should Pick Which?
Choose FastMCP 3.0 if...
- No unique pros listed
Choose Mastra if...
- No unique pros listed
With a FactScore™ of 30.1 vs 23.9, FastMCP 3.0 leads in community reception. FastMCP 3.0 uniquely offers No unique pros listed, while Mastra stands out for No unique pros listed.
What Users Say
FastMCP 3.0
We chose FastMCP because it treats MCP servers like FastAPI applications. Decorator-based DX: Instead of writing verbose class-based boilerplate, we just use @mcp.tool(). It feels exactly like writ...
We built the Composer MCP Server using FastMCP. It was simple and intuitive!
For the incredible DX. It made building the Python side of our MCP implementation a joy.
Mastra
Shoutout to the team at Mastra for building an excellent agent orchestration layer. Mastra is a key part of Imagine.dev’s agentic architecture, helping us coordinate specialized agents and reliably...
Related Comparisons
Frequently Asked Questions
Which is better, FastMCP 3.0 or Mastra?
Based on FactScore™, FastMCP 3.0 leads with a score of 30.1 vs 23.9. FastMCP 3.0 has a higher rating of 5.0★ compared to 5.0★.
What are the pros of FastMCP 3.0 compared to Mastra?
FastMCP 3.0 uniquely offers: No unique pros listed.
What are the pros of Mastra compared to FastMCP 3.0?
Mastra uniquely offers: No unique pros listed.
Is FastMCP 3.0 better rated than Mastra?
FastMCP 3.0 is rated 5.0★ from 3 reviews. Mastra is rated 5.0★ from 2 reviews.
What is the FactScore™ of FastMCP 3.0 and Mastra?
FactScore™ weighs rating and review volume together. FastMCP 3.0 scores 30.1 and Mastra scores 23.9.
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