Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/nesszer/linear-cli/linear-uploadsnpx skills add nesszer/linear-cli --skill linear-uploadsgit clone --depth 1 https://github.com/nesszer/linear-cliWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00028 | $0.00348 |
| Opus 5 | $0.00014 | $0.00174 |
| Sonnet 5 | $0.00006 | $0.00070 |
| Haiku 4.5 | $0.00003 | $0.00035 |
Grade A, and why
linear-uploads scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Linear Uploads
Download attachments and images from Linear issues using linear-cli.
Download to File
# Download image/attachment to file
linear-cli up fetch "https://uploads.linear.app/..." -f image.png
# Download to temp directory
linear-cli up fetch "https://uploads.linear.app/..." -f /tmp/screenshot.png
Output to Stdout
# Pipe to other tools
linear-cli up fetch "https://uploads.linear.app/..." | base64
# Redirect to file
linear-cli up fetch "https://uploads.linear.app/..." > file.png
Finding Upload URLs
Upload URLs are found in:
- Issue descriptions (
linear-cli i get LIN-123 --output json) - Comments (
linear-cli cm list LIN-123 --output json)
URL pattern: https://uploads.linear.app/{org}/{upload}/{filename}
View Images (AI Agents)
Since Claude is multimodal, download then read:
# 1. Download to temp file
linear-cli up fetch "https://uploads.linear.app/..." -f /tmp/screenshot.png
# 2. Use Read tool on the file
# Claude can view images directly
Tips
- Requires valid LINEAR_API_KEY
- Use
-f/--fileto specify output filename - Without
-f, outputs raw bytes to stdout - URLs must be from
uploads.linear.app
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 57 lines · 28 tokens per session scan A 1281a75964f7
linear-uploads is a skill published in the GitHub repository nesszer/linear-cli (133 stars, last pushed 1mo ago), licensed MIT. It adds 28 tokens to every session and 348 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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