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plugin link preview
github-actions[bot] edited this page Apr 26, 2026
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URL metadata extraction, Open Graph, Twitter Card, and oEmbed with caching. Free, MIT licensed.
nself plugin install link-previewExtracts rich metadata from URLs for link preview cards. Fetches Open Graph tags, Twitter Card metadata, and oEmbed data. Results are cached in Postgres to avoid repeated fetches. Use it to power link preview features in chat, CMS, or social feed applications.
| Env Var | Default | Description |
|---|---|---|
LINK_PREVIEW_PORT |
3718 |
Link preview service port |
LINK_PREVIEW_CACHE_TTL |
3600 |
Cache TTL in seconds (1 hour) |
LINK_PREVIEW_TIMEOUT |
10s |
HTTP fetch timeout |
LINK_PREVIEW_MAX_SIZE |
5MB |
Max page size to fetch |
| Port | Purpose |
|---|---|
| 3718 | Link preview REST API |
1 table added to your Postgres database:
-
np_link_preview_cache, cached URL metadata (title, description, image, favicon)
| Route | Target |
|---|---|
/link-preview/ |
Link preview API |
GET /health — Health check
GET /preview?url={url} — Fetch or return cached preview
DELETE /preview?url={url} — Invalidate cache for URL
GET /preview/batch — Batch preview multiple URLs
ɳSelf CLI v1.0.9. MIT licensed. Docs CC BY 4.0.
GitHub · Issues · Discussions · nself.org · docs.nself.org
Getting Started
Commands
- Commands, Overview
- Lifecycle: cmd-init · cmd-build · cmd-start · cmd-stop · cmd-restart · cmd-dev
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Features
- Features, Overview
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Configuration
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Plugins (87 + 10 monitoring)
Free (25)
- plugin-backup
- plugin-content-acquisition
- plugin-content-progress
- plugin-cron
- plugin-donorbox
- plugin-feature-flags
- plugin-github
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- plugin-invitations
- plugin-jobs
- plugin-link-preview
- plugin-mdns
- plugin-mlflow
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- plugin-notify
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Pro (62)
- plugin-access-controls
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- nself-ai-gateway
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- plugin-backup-pro
- plugin-bots
- plugin-browser
- plugin-calendar
- plugin-cdn
- plugin-chat
- plugin-claw
- plugin-claw-budget
- plugin-claw-news
- plugin-claw-web
- plugin-cloudflare
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- plugin-compliance
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- plugin-ddns
- plugin-devices
- plugin-documents
- plugin-donorbox-pro
- plugin-entitlements
- plugin-epg
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- plugin-game-metadata
- plugin-geocoding
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- plugin-google
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- plugin-idme
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- plugin-linkedin
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- plugin-media-processing
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- plugin-moderation
- plugin-mux
- plugin-notify-pro
- plugin-object-storage
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- plugin-paypal-pro
- plugin-photos
- plugin-podcast
- plugin-post
- plugin-realtime
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- plugin-retro-gaming
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Planned (26)
plugin-auditplugin-blogplugin-checkoutplugin-commerceplugin-drmplugin-exportplugin-flowplugin-importplugin-ldapplugin-mailgunplugin-mediaplugin-oauth-providersplugin-pagesplugin-postmarkplugin-rate-limitplugin-reportsplugin-samlplugin-schedulerplugin-sendgridplugin-ssoplugin-subscriptionplugin-thumbplugin-transcoderplugin-twilioplugin-wafplugin-watermark
Guides
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Architecture
Reference
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Licensing
Security
Brand
Operations
- operations/release-cascade, Release Cascade
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- operations/redis-tuning, Redis Pool Tuning
- operations/meilisearch-warmup, MeiliSearch Warm-Up
- operations/jwt-rotation, JWT Key Rotation
- operations/windows-wsl2-setup, Windows / WSL2 Setup
- operations/gemini-oauth-reauth, Gemini OAuth Reauth
Contributing
Admin
- USER-ACTION-QUEUE, Pending Admin Actions