CtrlK
BlogDocsLog inGet started
Tessl Logo

postmark-webhooks

Use when setting up Postmark outbound webhooks for tracking email delivery, bounces, opens, clicks, spam complaints, or subscription changes — includes webhook configuration, endpoint verification, per-webhook statistics, retry behavior, payload handling, and security.

83

1.40x
Quality

85%

Does it follow best practices?

Impact

100%

1.40x

Average score across 2 eval scenarios

SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security
Low

W011: Third-party content exposure detected (indirect prompt injection risk).

What this means

The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.

Why it was flagged

The skill describes setting up Postmark outbound webhooks, which receive HTTP POST event payloads from Postmark containing email tracking data submitted by external recipients and servers.

Report incorrect finding
Repository
ActiveCampaign/postmark-skills
Audited
Security analysis
Snyk

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.