FastMCP vs mcpc
Both are Grade A and 2.2 points apart, so choose on what you weigh most. FastMCP leads on maintenance and adoption; mcpc leads on supply-chain integrity and provenance.
🚀 The fast, Pythonic way to build MCP servers and clients.
Choose FastMCP if maintenance and adoption matter most.
- +7.9Adoption: 13.3M weekly downloads against 4k
- +2.0Maintenance: last push today, against 1d ago
- +1.0Transparency: OSSF Scorecard 5.6 against 4.5
The most compatible MCP CLI client. Supports: tools, resources, prompts, completions, async tasks, skills, stdio and Streamable HTTP (MCP 2026-07-28 and 2025-11-25). Persistent sessions, OAuth 2.1 with DCR, CIMD, client credentials, and ID-JAG, OS keychain, --json for code mode, grep across…
Choose mcpc if supply-chain integrity and provenance matter most.
- +7.2Identity / Provenance: package provenance attested, against none
- +5.9Safety / Integrity: package provenance attested, against none
Where they differ
An independent, evidence-based trust comparison of FastMCP and mcpc, 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 | mcpcapify/mcpc |
|---|---|---|
| HVTrust score | 81.1 | 83.3 |
| Evidence grade | A | A |
| Coverage grade | B | B |
| Overall rank | #145 | #117 |
| Rank in Protocols & Tool Integration | #9 | #8 |
| GitHub stars | 28.1k | 1.0k |
| Last updated | today | 1d ago |
| Build provenance | No | Yes |
| OSSF Scorecard | 5.6 / 10 | 4.5 / 10 |
| License | Apache-2.0 | Apache-2.0 |
| Downloads | 13.3M/wk | 4k/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 12.0 | 17.9 |
| Identity & provenance / 18 | 10.8 | 18.0 |
| Transparency / 17 | 13.3 | 12.3 |
| Maintenance / 20 | 20.0 | 18.0 |
| Adoption / 20 | 20.0 | 12.1 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Implemented |
| External providers | 3 — Anthropic, Google Gemini, OpenAI | — |
| Requires API keys | No | Yes |
| 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 →