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 skills add nesszer/linear-cli --skill linear-webhooksgit clone --depth 1 https://github.com/nesszer/linear-cliWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nesszer/linear-cli/linear-webhooks)<a href="https://agentmods.dev/skills/nesszer/linear-cli/linear-webhooks"><img src="https://agentmods.dev/badge/skills/nesszer/linear-cli/linear-webhooks/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/nesszer/linear-cli/linear-webhooks"><img src="https://agentmods.dev/badge/skills/nesszer/linear-cli/linear-webhooks.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What 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 5.1 | $0.00026 | $0.00340 |
| Opus 5.5 | $0.00010 | $0.00136 |
| Sonnet 5.5 | $0.00005 | $0.00068 |
| Haiku 4.5 | $0.00003 | $0.00034 |
Grade A, and why
linear-webhooks 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 1mo 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
Webhooks
# List all webhooks
linear-cli wh list
# Create a webhook
linear-cli wh create https://example.com/hook --events Issue
# Get webhook details
linear-cli wh get WEBHOOK_ID
# Update a webhook
linear-cli wh update WEBHOOK_ID --url https://new-url.com
# Delete a webhook
linear-cli wh delete WEBHOOK_ID --force
# Rotate signing secret
linear-cli wh rotate-secret WEBHOOK_ID
# Listen for events locally (dev/testing)
linear-cli wh listen --port 9000
linear-cli wh listen --port 9000 --secret SIGNING_SECRET
Subcommands
| Command | Purpose |
|---|---|
list |
List all webhooks |
get |
View webhook details |
create |
Create webhook |
update |
Update webhook |
delete |
Delete webhook |
rotate-secret |
Rotate signing secret |
listen |
Local event listener with HMAC verification |
Flags
| Flag | Purpose |
|---|---|
--events TYPE |
Event types to subscribe |
--port N |
Local listener port |
--secret KEY |
HMAC signing secret |
--output json |
JSON output |
Exit Codes
0=Success, 1=Error, 2=Not found, 3=Auth error
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.
- 1mo ago First seen · 57 lines · 26 tokens per session scan A dad7a5355c22
linear-webhooks is a skill published in the GitHub repository nesszer/linear-cli (138 stars, last pushed 1mo ago), licensed MIT. It adds 26 tokens to every session and 340 once invoked, about $0.0001 per session on Opus 5.5. 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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