FastMCP 3.0
The fast, Pythonic way to build MCP servers and clients
UTCP
The scalable, secure alternative to MCP for tool calling
Updated February 2026
| FastMCP 3.0 | UTCP | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 3 | 3 |
| Pros | 0 | 0 |
| FactScore™ | 30.1 | 30.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Both tools score equally on FactScore™
Pros & Cons
Only in FastMCP 3.0 — Pros
No unique pros listedBoth tools — Pros
—Only in UTCP — Pros
No unique pros listedOnly in FastMCP 3.0 — Cons
—Both tools — Cons
—Only in UTCP — Cons
—Details
| FastMCP 3.0 | UTCP | |
|---|---|---|
| Categories | AI Infrastructure Tools, LLM Developer Tools | LLM Developer Tools, AI Agents |
| Platforms | Web | Web |
| Became Popular | January 21, 2026 | July 17, 2025 |
| Website | gofastmcp.com | github.com |
Who Should Pick Which?
Choose FastMCP 3.0 if...
- No unique pros listed
Choose UTCP if...
- No unique pros listed
With a FactScore™ of 30.1 vs 30.1, FastMCP 3.0 leads in community reception. FastMCP 3.0 uniquely offers No unique pros listed, while UTCP 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.
UTCP
I never understood why MCP needs to rely so heavily on heavy client/server architecture. This direct way of having LLMs call endpoints makes it much more easy and efficient to implement tool callin...
UTCP is an elegant solution to agent tool calling. Unlike MCP, no wrappers or clunky servers need to be maintained and no extra auth, billing etc. logic needs to be built again.
MCP has paved the way for the ease of use of LLMs with our day-to-day tools. UTCP takes it further with better specification and security from the get-go. I would love to see UTCP standard being im...
Related Comparisons
Frequently Asked Questions
What are the pros of FastMCP 3.0 compared to UTCP?
FastMCP 3.0 uniquely offers: No unique pros listed.
What are the pros of UTCP compared to FastMCP 3.0?
UTCP uniquely offers: No unique pros listed.
Is FastMCP 3.0 better rated than UTCP?
FastMCP 3.0 is rated 5.0★ from 3 reviews. UTCP is rated 5.0★ from 3 reviews.
What is the FactScore™ of FastMCP 3.0 and UTCP?
FactScore™ weighs rating and review volume together. FastMCP 3.0 scores 30.1 and UTCP scores 30.1.
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