FastMCP vs MCP TypeScript SDK
MCP TypeScript SDK leads on trust: 94.6/100 (Grade A) against 80.0/100 (Grade A), a 14.6-point gap. FastMCP leads on maintenance; MCP TypeScript SDK leads on supply-chain integrity and provenance.
🚀 The fast, Pythonic way to build MCP servers and clients.
Choose FastMCP if maintenance matters most.
- +1.2Maintenance
The official TypeScript SDK for Model Context Protocol servers and clients
Choose MCP TypeScript SDK if supply-chain integrity and provenance matter most.
- +9.7Safety / Integrity: OSSF Scorecard 6.9 against 5.1
- +7.2Identity / Provenance: package provenance attested, against none
- +1.6Transparency: OSSF Scorecard 6.9 against 5.1
Where they differ
1 dimension identical: Adoption 20.0 · Full evidence table
An independent, evidence-based trust comparison of FastMCP and MCP TypeScript SDK, two Protocols & Tool Integration projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Full evidence
| Signal | FastMCPPrefectHQ/fastmcp | MCP TypeScript SDKmodelcontextprotocol/typescript-sdk |
|---|---|---|
| HVTrust score | 80.0 | 94.6 |
| Evidence grade | A | A |
| Coverage grade | B | B |
| Overall rank | #159 | #3 |
| Rank in Protocols & Tool Integration | #8 | #1 |
| GitHub stars | 28.0k | 13.5k |
| Last updated | today | today |
| Build provenance | No | Yes |
| OSSF Scorecard | 5.1 / 10 | 6.9 / 10 |
| License | Apache-2.0 | NOASSERTION |
| Downloads | 14.4M/wk | 76.2M/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 11.4 | 21.1 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 12.8 | 14.4 |
| Maintenance / 20 | 20.0 | 18.8 |
| Adoption / 20 | 20.0 | 20.0 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Implemented |
| External providers | 3 — Anthropic, Google Gemini, OpenAI | — |
| Requires API keys | No | No |
| Plugin surface | — | — |
| Provenance drift | Match | Match |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →