Registry › Compare › ffmpeg-skill vs Vercel Skills

ffmpeg-skill vs Vercel Skills

Both are Grade A and 1.3 points apart, so choose on what you weigh most. ffmpeg-skill leads on supply-chain integrity and transparency; Vercel Skills leads on adoption.

A ffmpeg-skill 90.0

Local video editor for coding agents: 42 FFmpeg tools with a machine-readable contract and an MCP server, for Claude Code, Cursor and Codex. Cut, captions, reframe, loudness, platform exports. No cloud, no API keys.

kajisho5/ffmpeg-skill · #4 overall · #4 Agent Skills · coverage B (3/5)

Choose ffmpeg-skill if supply-chain integrity and transparency matter most.

+2.2Transparency: OSSF Scorecard 7.5 against 4.9
+1.0Safety / Integrity: OSSF Scorecard 7.5 against 4.9

A Vercel Skills 91.3

The open agent skills tool - npx skills

vercel-labs/skills · #2 overall · #2 Agent Skills · coverage B (3/5)

Choose Vercel Skills if adoption matters most.

+5.7Adoption: 5.1M weekly downloads against 9.5k

Where they differ

19.6

Safety / Integrityffmpeg-skill +1.0

18.6

14.9

Transparencyffmpeg-skill +2.2

12.7

20.0

Maintenanceffmpeg-skill +0.2

19.8

14.3

AdoptionVercel Skills +5.7

20.0

+3.2

Runtime calibrationffmpeg-skill +1.0

+2.2

1 dimension identical: Identity 18.0 · Full evidence table

An independent, evidence-based trust comparison of ffmpeg-skill and Vercel Skills, two Agent Skills projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	ffmpeg-skillkajisho5/ffmpeg-skill	Vercel Skillsvercel-labs/skills
HVTrust score	90.0	91.3
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#4	#2
Rank in Agent Skills	#4	#2
GitHub stars	5.6k	39.4k
Last updated	today	3d ago
Build provenance	Yes	Yes
OSSF Scorecard	7.5 / 10	4.9 / 10
License	MIT	MIT
Downloads	9k/wk	5.1M/wk
Trust dimensions (points earned)
Safety / integrity / 25	19.6	18.6
Identity & provenance / 18	18.0	18.0
Transparency / 17	14.9	12.7
Maintenance / 20	20.0	19.8
Adoption / 20	14.3	20.0
Runtime capability surface (full matrix)
MCP server	Implemented	—
External providers	2 — Anthropic, Google Gemini	—
Requires API keys	No	No
Plugin surface	plugins	—
Provenance drift	Match	Match

Open in the live compare tool → ffmpeg-skill profile Vercel Skills profile More Agent Skills →

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 →