FastMCP 3.0
The fast, Pythonic way to build MCP servers and clients
MCPJam Inspector
Test + develop ChatGPT apps and MCP apps (ext-apps) locally
FactScore™ 0Updated February 2026
| FastMCP 3.0 | MCPJam Inspector | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 3 | 0 |
| Pros | 0 | 0 |
| FactScore™ | 30.1 | 0 |
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 MCPJam Inspector — Pros
No unique pros listedOnly in FastMCP 3.0 — Cons
—Both tools — Cons
—Only in MCPJam Inspector — Cons
—Details
| FastMCP 3.0 | MCPJam Inspector | |
|---|---|---|
| Categories | AI Infrastructure Tools, LLM Developer Tools | LLM Developer Tools |
| Platforms | Web | Web |
| Became Popular | January 21, 2026 | January 20, 2026 |
| Website | gofastmcp.com | www.mcpjam.com |
Who Should Pick Which?
Choose FastMCP 3.0 if...
- No unique pros listed
Choose MCPJam Inspector if...
- No unique pros listed
With a FactScore™ of 30.1 vs 0, FastMCP 3.0 leads in community reception. FastMCP 3.0 uniquely offers No unique pros listed, while MCPJam Inspector 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.
MCPJam Inspector
No reviews yet
Related Comparisons
Frequently Asked Questions
Which is better, FastMCP 3.0 or MCPJam Inspector?
Based on FactScore™, FastMCP 3.0 leads with a score of 30.1 vs 0. FastMCP 3.0 has a higher rating of 5.0★ compared to N/A★.
What are the pros of FastMCP 3.0 compared to MCPJam Inspector?
FastMCP 3.0 uniquely offers: No unique pros listed.
What are the pros of MCPJam Inspector compared to FastMCP 3.0?
MCPJam Inspector uniquely offers: No unique pros listed.
Is FastMCP 3.0 better rated than MCPJam Inspector?
FastMCP 3.0 is rated 5.0★ from 3 reviews. MCPJam Inspector is rated N/A★ from 0 reviews.
What is the FactScore™ of FastMCP 3.0 and MCPJam Inspector?
FactScore™ weighs rating and review volume together. FastMCP 3.0 scores 30.1 and MCPJam Inspector scores 0.
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