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cdn-upload

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Aktualisiert14. Juni 2026 um 20:01

Upload local files (figures, images, any asset) to the user's public CDN at cdn.hails.info (Cloudflare R2) and get back public https URLs. Use when an image/file needs a public URL — e.g. embedding a figure inline in a PRIVATE-repo GitHub PR/issue description (private-repo raw/blob links do NOT render; a public cdn.hails.info URL does, via GitHub's camo proxy), sharing a screenshot, or any "host this so it has a URL" need. Backed by the kb project's R2 scheme.

Installation

Mit Codex oder Claude installieren Kopieren Sie diesen Prompt, fügen Sie ihn in Codex, Claude oder einen anderen Assistant ein und lassen Sie die Skill-Seite prüfen und installieren.

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Quelle

DJRHails

DJRHails/dotfiles

GitHub-Repository öffnen Creator-Repositorys ansehen

Download

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Verwandte BerufeSOC

Basierend auf der SOC-Berufsklassifikation

SoftwareentwicklerInformatik- und Mathematikberufe·SOC 15-1252

Datei-Explorer

2 Dateien

SKILL.md

readonly

name

cdn-upload

description

cdn-upload — public URLs for local files via cdn.hails.info

cdn.hails.info is a public Cloudflare R2 bucket (r2:cdn-hails-info). Upload a file and it is reachable at https://cdn.hails.info/<key>. Because the URL is public, GitHub renders it inline in markdown even for private repos (where committed/raw.githubusercontent.com image links 404 or are blocked by the camo proxy).

Use it

~/.agents/skills/cdn-upload/scripts/cdn-upload path/to/figure.png [more.png ...]
# prints one https://cdn.hails.info/img/<sha256[:32]>.png per file on stdout

The script (mirrors DJRHails/kb bin/r2_upload.py):

Content-addressed: key is img/<sha256[:32]><ext>, so identical bytes collapse to one object and re-uploads are idempotent (same URL every time).
Immutable cache header on upload (Cache-Control: public, max-age=31536000, immutable).
Routing: a local rclone r2: remote if configured; else, inside a gantry worker (the gantry CLI is on PATH and $GANTRY_API_KEY is injected), it runs gantry attach — which POSTs to gantry's /agent/attachments, since gantry holds the R2 creds the sandboxed worker lacks, and returns the same cdn.hails.info/img/<sha> URL (images only); else it scps to trifle (the user's Mac, where rclone + the r2: remote live) and uploads from there. So it works from a maintainer host, a gantry worker, or any tailnet host.

Embedding in a GitHub PR/issue (the common case)

url=$(.../scripts/cdn-upload figures/foo.png)
Put ![caption]($url) in the PR/issue body.
Update an existing PR body with the REST API (avoids a gh pr edit bug that fails on Projects-classic GraphQL): gh api --method PATCH repos/<owner>/<repo>/pulls/<n> -F body=@body.md.

Notes

Verify a URL is live: curl -s -o /dev/null -w '%{http_code} %{content_type}' "$url" → 200 image/png.
The full kb flow (bin/r2_upload.py <dir>) also rewrites markdown image refs in-place and keeps a content registry; this skill is just the upload primitive for one-off files.

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name

cdn-upload

description

cdn-upload — public URLs for local files via cdn.hails.info

Use it

~/.agents/skills/cdn-upload/scripts/cdn-upload path/to/figure.png [more.png ...]
# prints one https://cdn.hails.info/img/<sha256[:32]>.png per file on stdout

The script (mirrors DJRHails/kb bin/r2_upload.py):

Content-addressed: key is img/<sha256[:32]><ext>, so identical bytes collapse to one object and re-uploads are idempotent (same URL every time).
Immutable cache header on upload (Cache-Control: public, max-age=31536000, immutable).
Routing: a local rclone r2: remote if configured; else, inside a gantry worker (the gantry CLI is on PATH and $GANTRY_API_KEY is injected), it runs gantry attach — which POSTs to gantry's /agent/attachments, since gantry holds the R2 creds the sandboxed worker lacks, and returns the same cdn.hails.info/img/<sha> URL (images only); else it scps to trifle (the user's Mac, where rclone + the r2: remote live) and uploads from there. So it works from a maintainer host, a gantry worker, or any tailnet host.

Embedding in a GitHub PR/issue (the common case)

url=$(.../scripts/cdn-upload figures/foo.png)
Put ![caption]($url) in the PR/issue body.
Update an existing PR body with the REST API (avoids a gh pr edit bug that fails on Projects-classic GraphQL): gh api --method PATCH repos/<owner>/<repo>/pulls/<n> -F body=@body.md.

Notes

Verify a URL is live: curl -s -o /dev/null -w '%{http_code} %{content_type}' "$url" → 200 image/png.
The full kb flow (bin/r2_upload.py <dir>) also rewrites markdown image refs in-place and keeps a content registry; this skill is just the upload primitive for one-off files.