Side-by-side
Copilot Extensions Preview SDK (JS) vs mcp-use
Copilot Extensions Preview SDK (JS) (7.5/10) wins on safety and documentation; mcp-use (7.1/10) leads on adoption.
Both are scored on the same Skill Score v2 rubric — effectiveness 40% / safety 25% / maintenance 15% / documentation 15% / adoption 5% once benchmarked, or safety 40% / maintenance 30% / documentation 30% while provisional — so every comparison below is apples-to-apples. How we score.
Choose
Copilot Extensions Preview SDK (JS)
Choose Copilot Extensions Preview SDK (JS) if you weight safety and documentation most.
Choose
mcp-use
Choose mcp-use if you weight adoption most.
Effectively tied on: maintenance.
| Dimension | Copilot Extensions Preview SDK (JS)GitHub copilot-extensions | mcp-usemcp-use |
|---|---|---|
| Skill score (overall) | 7.5 | 7.1 |
| Safety sub-score | 95/100 | 75/100 |
| Maintenance sub-score | 54/100 | 54/100 |
| Documentation sub-score | 88/100 | 80/100 |
| Adoption sub-score | 52/100 | 75/100 |
| Community rating | No ratings yet | No ratings yet |
| Known advisories (CVEs) | None known | None known |
| Platforms | Copilot | MCPOther |
| Primary platform | GitHub Copilot Extensions | MCP Servers |
| Vendor | GitHub copilot-extensions | mcp-use |
| Primary category | Engineering and Development | Engineering and Development |
| License | MIT | MIT |
| GitHub stars | 87 | 10K |
| Last commit | 5 months ago | 1 month ago |
| Last verified | Jul 5, 2026 | Jul 5, 2026 |
| Open flags | None | None |
Frequently asked
Is Copilot Extensions Preview SDK (JS) or mcp-use better?
Copilot Extensions Preview SDK (JS) (7.5/10) wins on safety and documentation; mcp-use (7.1/10) leads on adoption.
What's the difference between Copilot Extensions Preview SDK (JS) and mcp-use?
Copilot Extensions Preview SDK (JS) leads on safety, documentation; mcp-use leads on adoption; they're effectively tied on maintenance. Both are scored on the same Skill Score v2 rubric — measured effectiveness (when benchmarked) plus safety, maintenance, and documentation, with popularity as context only — so the comparison is like-for-like.
Which has a higher Skill Score, Copilot Extensions Preview SDK (JS) or mcp-use?
Copilot Extensions Preview SDK (JS) scores higher (7.5/10 vs 7.1/10).