MemTensor

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media-downloader

Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp. Use when the user wants to download videos, save media from social platforms, download with specific resolution (720p/1080p/4K), get subtitles, o

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Precio sin confirmar★ 300 Estrellas de GitHubRegistro actualizado · 6 sept 2026agent-skill

Resumen

Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp. Use when the user wants to download videos, save media from social platforms, download with specific resolution (720p/1080p/4K), get subtitles, or download entire playlists. Triggers on requests like 'download this video', 'save this YouTube video', 'download in 1080p', 'download with subtitles', 'download this playlist'.

Leer documentación completa

Documentación de origen, no instrucciones para este sitio. Revisa los permisos antes de ejecutar comandos.

Media Downloader

Download video/audio from 1500+ websites using yt-dlp. Supports format selection, subtitles, playlists, and custom output naming.

Quick Start

# Basic download (best quality)
yt-dlp "URL"

# Specific resolution
yt-dlp -f "bestvideo[height<=1080]+bestaudio/best[height<=1080]" "URL"

# With subtitles
yt-dlp --write-subs --sub-langs "en,zh" "URL"

# Audio only
yt-dlp -f "bestaudio" "URL"

Format Selection

Resolution Presets
RequestCommand
Best quality-f "bestvideo+bestaudio/best"
4K-f "bestvideo[height<=2160]+bestaudio/best"
1080p-f "bestvideo[height<=1080]+bestaudio/best"
720p-f "bestvideo[height<=720]+bestaudio/best"
480p-f "bestvideo[height<=480]+bestaudio/best"
List Available Formats
yt-dlp -F "URL"  # Show all formats with codes
Advanced Format Selection
# Prefer MP4 container
yt-dlp -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" "URL"

# Specific format code (from -F output)
yt-dlp -f 137+140 "URL"

# Merge to specific container
yt-dlp --merge-output-format mkv "URL"

Subtitles

Download Subtitles
# Manual subtitles (human-created)
yt-dlp --write-subs --sub-langs "en,zh,ja" "URL"

# Auto-generated subtitles
yt-dlp --write-auto-subs --sub-langs "en" "URL"

# Both manual and auto
yt-dlp --write-subs --write-auto-subs --sub-langs "en,zh" "URL"

# Embed subtitles in video (MP4/MKV/WebM)
yt-dlp --write-subs --embed-subs "URL"
List Available Subtitles
yt-dlp --list-subs "URL"
Subtitle Format
# Convert to SRT
yt-dlp --write-subs --sub-format srt "URL"

# Available: srt, ass, vtt, lrc

Output Naming

Template Variables
VariableDescriptionExample
%(title)sVideo titleMy Video
%(id)sVideo IDdQw4w9WgXcQ
%(ext)sFile extensionmp4
%(upload_date)sUpload date20231215
%(uploader)sChannel nameRick Astley
%(playlist)sPlaylist nameBest Songs
%(playlist_index)sPosition in playlist01
%(resolution)sVideo resolution1920x1080
Common Patterns
# Default: title + extension
yt-dlp -o "%(title)s.%(ext)s" "URL"

# Date prefix
yt-dlp -o "%(upload_date)s - %(title)s.%(ext)s" "URL"

# Organized by uploader
yt-dlp -o "%(uploader)s/%(title)s.%(ext)s" "URL"

# Playlist with numbering
yt-dlp -o "%(playlist)s/%(playlist_index)02d - %(title)s.%(ext)s" "URL"

# Sanitize title (remove special chars)
yt-dlp -o "%(title).100B.%(ext)s" "URL"  # Limit to 100 bytes

Playlist Handling

# Download entire playlist
yt-dlp "PLAYLIST_URL"

# Only video (not playlist)
yt-dlp --no-playlist "URL"

# Specific items (1-indexed)
yt-dlp -I 1:5 "PLAYLIST_URL"        # First 5
yt-dlp -I 1,3,5 "PLAYLIST_URL"      # Items 1, 3, 5
yt-dlp -I -3: "PLAYLIST_URL"        # Last 3

# Skip already downloaded
yt-dlp --download-archive downloaded.txt "PLAYLIST_URL"

Platform-Specific Notes

YouTube
  • Supports: videos, playlists, channels, shorts, live streams
  • Cookies may be needed for age-restricted/member content
Bilibili
  • Use --cookies-from-browser for premium content
  • Subtitles: --write-subs --sub-langs "zh-Hans"
TikTok / Douyin
  • Direct URL download works
  • Watermark may be present in some cases
Twitter/X
  • Supports video tweets and spaces
  • Use --cookies-from-browser for private content
Instagram
  • Stories require login
  • Use --cookies-from-browser firefox or --cookies cookies.txt

Authentication

# Browser cookies (recommended)
yt-dlp --cookies-from-browser firefox "URL"
yt-dlp --cookies-from-browser chrome "URL"

# Cookie file
yt-dlp --cookies cookies.txt "URL"

# Username/password (limited support)
yt-dlp -u USERNAME -p PASSWORD "URL"

Troubleshooting

Common Issues
IssueSolution
"Video unavailable"Try --cookies-from-browser
Slow downloadAdd --concurrent-fragments 4
Format merge failsInstall ffmpeg
Geo-blockedUse --geo-bypass or proxy
Update yt-dlp
yt-dlp -U  # Update to latest stable

Complete Examples

Download YouTube video in 1080p with Chinese subtitles:

yt-dlp -f "bestvideo[height<=1080]+bestaudio/best" \
       --write-subs --sub-langs "zh" \
       -o "%(title)s.%(ext)s" \
       "https://youtube.com/watch?v=..."

Download TikTok video:

yt-dlp -o "%(uploader)s - %(title)s.%(ext)s" \
       "https://tiktok.com/@user/video/..."

Download Bilibili playlist:

yt-dlp --cookies-from-browser chrome \
       -o "%(playlist)s/%(playlist_index)02d - %(title)s.%(ext)s" \
       "https://bilibili.com/video/BV..."

Download Twitter video:

yt-dlp --cookies-from-browser firefox \
       "https://twitter.com/user/status/..."
Metadatos del archivo
name: media-downloader
description: Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp. Use when the user wants to download videos, save media from social platforms, download with specific resolution (720p/1080p/4K), get subtitles, or download entire playlists. Triggers on requests like 'download this video', 'save this YouTube video', 'download in 1080p', 'download with subtitles', 'download this playlist'.
Ver texto original
---
name: media-downloader
description: Download videos and audio from 1500+ websites including YouTube, Bilibili, TikTok, Twitter/X, Instagram, Vimeo, and more using yt-dlp. Use when the user wants to download videos, save media from social platforms, download with specific resolution (720p/1080p/4K), get subtitles, or download entire playlists. Triggers on requests like 'download this video', 'save this YouTube video', 'download in 1080p', 'download with subtitles', 'download this playlist'.
---

# Media Downloader

Download video/audio from 1500+ websites using yt-dlp. Supports format selection, subtitles, playlists, and custom output naming.

## Quick Start

```bash
# Basic download (best quality)
yt-dlp "URL"

# Specific resolution
yt-dlp -f "bestvideo[height<=1080]+bestaudio/best[height<=1080]" "URL"

# With subtitles
yt-dlp --write-subs --sub-langs "en,zh" "URL"

# Audio only
yt-dlp -f "bestaudio" "URL"
```

## Format Selection

### Resolution Presets

| Request | Command |
|---------|---------|
| Best quality | `-f "bestvideo+bestaudio/best"` |
| 4K | `-f "bestvideo[height<=2160]+bestaudio/best"` |
| 1080p | `-f "bestvideo[height<=1080]+bestaudio/best"` |
| 720p | `-f "bestvideo[height<=720]+bestaudio/best"` |
| 480p | `-f "bestvideo[height<=480]+bestaudio/best"` |

### List Available Formats

```bash
yt-dlp -F "URL"  # Show all formats with codes
```

### Advanced Format Selection

```bash
# Prefer MP4 container
yt-dlp -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" "URL"

# Specific format code (from -F output)
yt-dlp -f 137+140 "URL"

# Merge to specific container
yt-dlp --merge-output-format mkv "URL"
```

## Subtitles

### Download Subtitles

```bash
# Manual subtitles (human-created)
yt-dlp --write-subs --sub-langs "en,zh,ja" "URL"

# Auto-generated subtitles
yt-dlp --write-auto-subs --sub-langs "en" "URL"

# Both manual and auto
yt-dlp --write-subs --write-auto-subs --sub-langs "en,zh" "URL"

# Embed subtitles in video (MP4/MKV/WebM)
yt-dlp --write-subs --embed-subs "URL"
```

### List Available Subtitles

```bash
yt-dlp --list-subs "URL"
```

### Subtitle Format

```bash
# Convert to SRT
yt-dlp --write-subs --sub-format srt "URL"

# Available: srt, ass, vtt, lrc
```

## Output Naming

### Template Variables

| Variable | Description | Example |
|----------|-------------|---------|
| `%(title)s` | Video title | My Video |
| `%(id)s` | Video ID | dQw4w9WgXcQ |
| `%(ext)s` | File extension | mp4 |
| `%(upload_date)s` | Upload date | 20231215 |
| `%(uploader)s` | Channel name | Rick Astley |
| `%(playlist)s` | Playlist name | Best Songs |
| `%(playlist_index)s` | Position in playlist | 01 |
| `%(resolution)s` | Video resolution | 1920x1080 |

### Common Patterns

```bash
# Default: title + extension
yt-dlp -o "%(title)s.%(ext)s" "URL"

# Date prefix
yt-dlp -o "%(upload_date)s - %(title)s.%(ext)s" "URL"

# Organized by uploader
yt-dlp -o "%(uploader)s/%(title)s.%(ext)s" "URL"

# Playlist with numbering
yt-dlp -o "%(playlist)s/%(playlist_index)02d - %(title)s.%(ext)s" "URL"

# Sanitize title (remove special chars)
yt-dlp -o "%(title).100B.%(ext)s" "URL"  # Limit to 100 bytes
```

## Playlist Handling

```bash
# Download entire playlist
yt-dlp "PLAYLIST_URL"

# Only video (not playlist)
yt-dlp --no-playlist "URL"

# Specific items (1-indexed)
yt-dlp -I 1:5 "PLAYLIST_URL"        # First 5
yt-dlp -I 1,3,5 "PLAYLIST_URL"      # Items 1, 3, 5
yt-dlp -I -3: "PLAYLIST_URL"        # Last 3

# Skip already downloaded
yt-dlp --download-archive downloaded.txt "PLAYLIST_URL"
```

## Platform-Specific Notes

### YouTube
- Supports: videos, playlists, channels, shorts, live streams
- Cookies may be needed for age-restricted/member content

### Bilibili
- Use `--cookies-from-browser` for premium content
- Subtitles: `--write-subs --sub-langs "zh-Hans"`

### TikTok / Douyin
- Direct URL download works
- Watermark may be present in some cases

### Twitter/X
- Supports video tweets and spaces
- Use `--cookies-from-browser` for private content

### Instagram
- Stories require login
- Use `--cookies-from-browser firefox` or `--cookies cookies.txt`

## Authentication

```bash
# Browser cookies (recommended)
yt-dlp --cookies-from-browser firefox "URL"
yt-dlp --cookies-from-browser chrome "URL"

# Cookie file
yt-dlp --cookies cookies.txt "URL"

# Username/password (limited support)
yt-dlp -u USERNAME -p PASSWORD "URL"
```

## Troubleshooting

### Common Issues

| Issue | Solution |
|-------|----------|
| "Video unavailable" | Try `--cookies-from-browser` |
| Slow download | Add `--concurrent-fragments 4` |
| Format merge fails | Install ffmpeg |
| Geo-blocked | Use `--geo-bypass` or proxy |

### Update yt-dlp

```bash
yt-dlp -U  # Update to latest stable
```

## Complete Examples

**Download YouTube video in 1080p with Chinese subtitles:**
```bash
yt-dlp -f "bestvideo[height<=1080]+bestaudio/best" \
       --write-subs --sub-langs "zh" \
       -o "%(title)s.%(ext)s" \
       "https://youtube.com/watch?v=..."
```

**Download TikTok video:**
```bash
yt-dlp -o "%(uploader)s - %(title)s.%(ext)s" \
       "https://tiktok.com/@user/video/..."
```

**Download Bilibili playlist:**
```bash
yt-dlp --cookies-from-browser chrome \
       -o "%(playlist)s/%(playlist_index)02d - %(title)s.%(ext)s" \
       "https://bilibili.com/video/BV..."
```

**Download Twitter video:**
```bash
yt-dlp --cookies-from-browser firefox \
       "https://twitter.com/user/status/..."
```

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Licencia
MIT
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Fuente del skill registrada

La ruta de instrucciones está registrada. No implica pruebas de ejecución, seguridad ni compatibilidad.

Revisar antes de instalar: Evitar instalación automática

Licencia: MIT

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • No explicit warning about legal use of downloaded content (copyright concerns).
  • The helper script lacks robust error handling (e.g., yt-dlp not installed, network errors).
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • Stars/forks activity: 300 stars, 17 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
  • Permission surface: secrets or environment access, shell or command execution
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Las herramientas son indicios de metadatos, no compatibilidad probada. Los prompts son sugerencias.

Empieza con una tarea pequeña

  1. 1Lee la fuente y confirma entradas, resultados, dependencias y permisos.
  2. 2Pide un plan al agente. Aprueba la configuración y los costes antes de probar en un entorno aislado.
  3. 3Comprueba resultados y archivos modificados. Informa solo de lo ejecutado y conserva la revisión de la fuente.

Consulta dependencias, claves API y costes externos en la fuente. Un repositorio público no implica servicios gratuitos.

Fuente y notas de uso

Indexado

Los metadatos y revisiones son orientativos. Popularidad, descubrimiento y ejecución correcta son hechos distintos.

Repositorio fuente
MemTensor/skills-vote
Licencia
MIT
Versión
1.0.0
Último push de GitHub
5 ago 2026
Registro actualizado
6 sept 2026

Versión declarada en el registro; consulta las versiones de la fuente.

Calidad

66/100

Prometedor

Confianza

56/100

Do not auto-install

Auditoría

72/100

Requiere revisión

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • No explicit warning about legal use of downloaded content (copyright concerns).
  • The helper script lacks robust error handling (e.g., yt-dlp not installed, network errors).
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • Stars/forks activity: 300 stars, 17 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
  • Permission surface: secrets or environment access, shell or command execution
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Copiar no es instalar. Los recuentos requieren un informe de instalación correcta, no garantizan calidad general.

Acceso para agentes

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Más detalles
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    "best_for": [
      "research",
      "agent-skill"
    ],
    "known_risks": [
      "No explicit warning about legal use of downloaded content (copyright concerns).",
      "Quality score needs review",
      "Permission surface needs review: secrets or environment access, shell or command execution",
      "Stars/forks activity: 300 stars, 17 forks; issue activity unavailable in current metadata",
      "Dependency/runtime risk: command execution surface, credential or environment access",
      "Permission surface: secrets or environment access, shell or command execution"
    ]
  },
  "agent_proven": {
    "version": "agent-proven-v1",
    "score": 0,
    "tier": "unproven",
    "label": "Needs first agent run",
    "summary": "No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.",
    "metrics": {
      "totalOutcomes": 0,
      "successfulOutcomes": 0,
      "failedOutcomes": 0,
      "installAttempts": 0,
      "installSuccessRate": null,
      "successRate": null,
      "recentSuccessRate": null,
      "recentFailureRate": null,
      "riskBlocked": 0,
      "setupRequired": 0,
      "notRelevant": 0,
      "avgOutputQuality": null,
      "avgTimeToUsefulMs": null,
      "productionOutcomes": 0,
      "humanReviewRequired": 0,
      "uniqueAgents": 0,
      "lastOutcomeAt": null
    },
    "signals": [],
    "penalties": [
      "No real agent outcome evidence yet"
    ]
  },
  "audit": {
    "score": 72,
    "risk_level": "needs_review",
    "risk_label": "Needs review",
    "warnings": [
      "Dependency or permission surface needs review",
      "Permission surface may require sandboxing",
      "No explicit warning about legal use of downloaded content (copyright concerns).",
      "The helper script lacks robust error handling (e.g., yt-dlp not installed, network errors).",
      "Quality score needs review",
      "Permission surface needs review: secrets or environment access, shell or command execution",
      "Stars/forks activity: 300 stars, 17 forks; issue activity unavailable in current metadata",
      "Dependency/runtime risk: command execution surface, credential or environment access"
    ]
  },
  "safety_gate": {
    "tier": "blocked",
    "label": "Blocked for auto-install",
    "auto_install_policy": "block",
    "auto_install_allowed": false,
    "human_review_required": true,
    "blocked": true,
    "recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first."
  },
  "quality": {
    "score": 66,
    "label": "Promising"
  },
  "supply": {
    "track": "Research and knowledge work",
    "scenario": "Research agents",
    "maintenance": "2mo since push",
    "risk": "Needs review"
  },
  "alternative_skills": [
    {
      "slug": "krillinai-krillinai-render-horizontal",
      "name": "krillinai-render-horizontal",
      "url": "https://www.openagentskill.com/skills/krillinai-krillinai-render-horizontal",
      "stars": 12876,
      "install_command": "npx skills add krillinai/OpenCreator --skill krillinai-render-horizontal",
      "trust_score": 82,
      "audit_score": 85
    },
    {
      "slug": "latent-spaces-brag-slim",
      "name": "brag-slim",
      "url": "https://www.openagentskill.com/skills/latent-spaces-brag-slim",
      "stars": 13807,
      "install_command": "npx skills add latent-spaces/brag --skill brag-slim",
      "trust_score": 81,
      "audit_score": 84
    },
    {
      "slug": "orchestra-research-nemo-curator",
      "name": "nemo-curator",
      "url": "https://www.openagentskill.com/skills/orchestra-research-nemo-curator",
      "stars": 13443,
      "install_command": "npx skills add Orchestra-Research/AI-Research-SKILLs --skill nemo-curator",
      "trust_score": 81,
      "audit_score": 85
    }
  ],
  "do_not_use_when": [
    "teams that need a vendor-supported SLA",
    "production agents without a repository review",
    "No explicit warning about legal use of downloaded content (copyright concerns).",
    "High-risk permission hints: Shell or command execution, Secrets or environment access",
    "Dependency or permission surface needs review",
    "Permission surface may require sandboxing",
    "The helper script lacks robust error handling (e.g., yt-dlp not installed, network errors).",
    "Quality score needs review"
  ],
  "agent_contract": {
    "task_input": "Use media-downloader in an agent workflow",
    "recommended_action": "Do not auto-install. Inspect the source, dependencies, and permission surface first.",
    "install_policy": "block",
    "minimum_review_before_use": [
      "Trust: 64/100 Manual review",
      "Audit: 72/100 Needs review",
      "Safety: 28/100 Avoid automatic install",
      "Review repository, license, install command, and permission surface before production use."
    ],
    "expected_agent_output": {
      "selected_skill": "memtensor-media-downloader (media-downloader)",
      "install_command": "npx skills add MemTensor/skills-vote --skill media-downloader",
      "risk_summary": "Needs review; Blocked for auto-install; Review before production",
      "verification_result": "Report the smallest successful task, files touched, warnings, and any missing setup."
    }
  },
  "outcome_feedback": {
    "endpoint": "https://www.openagentskill.com/api/agent/outcome",
    "method": "POST",
    "requires_resolve_event_id": true,
    "event_id_source": "Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.",
    "expected_outcomes": [
      "success",
      "failed",
      "not_relevant",
      "blocked_by_risk",
      "setup_required"
    ],
    "payload_template": {
      "event_id": "<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>",
      "skill_slug": "memtensor-media-downloader",
      "task": "Use media-downloader in an agent workflow",
      "agent": "codex",
      "outcome": "success",
      "install_used": true,
      "risk_blocked": false,
      "setup_required": false,
      "task_success": true,
      "output_quality": 4,
      "error_type": null,
      "human_review_required": false,
      "workspace": "sandbox",
      "time_to_useful_ms": 120000,
      "notes": "Report the smallest successful task, setup friction, files touched, and risk notes."
    }
  },
  "endpoints": {
    "web": "https://www.openagentskill.com/skills/memtensor-media-downloader",
    "api": "https://www.openagentskill.com/api/agent/skills/memtensor-media-downloader",
    "audit": "https://www.openagentskill.com/skills/memtensor-media-downloader/audit",
    "eval": "https://www.openagentskill.com/api/agent/evals?slug=memtensor-media-downloader&task=Use%20media-downloader%20in%20an%20agent%20workflow&max_risk=medium",
    "resolve": "https://www.openagentskill.com/api/agent/resolve?task=Use%20media-downloader%20in%20an%20agent%20workflow&agent=codex&max_risk=medium",
    "receipt": "https://www.openagentskill.com/api/agent/receipt?task=Use%20media-downloader%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text",
    "install": "https://www.openagentskill.com/api/skills/memtensor-media-downloader/install",
    "manifest": "https://www.openagentskill.com/api/registry/manifest/memtensor-media-downloader"
  }
}

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Creador
MemTensor
Indexado por
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