Green Dot Embedded Finance (Banking-as-a-Service) does not use the Standard Webhooks spec or a single HMAC signature. It uses push authentication: Green Dot authenticates itself to your partner-hosted endpoint. The primary model is an OAuth 2.0 client_credentials Bearer token (scope post:webhook) sent on every delivery, with a Certificate (mTLS) variant as an alternative.
Greendot Webhooks is a community-contributed Claude Code skill in the identity-access sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/greendot-webhooks/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when setting up a Green Dot partner webhook endpoint, validating the OAuth client_credentials Bearer token (scope post:webhook), handling the optional undocumented x-gd-signature header, echoing the x-GD-RequestId header, returning the responseDetails acknowledgement, or handling eventType events like transaction, accountUpdated, achTransfer, cardUpdate, billPayTransfer, directDepositSwitch, and provisioning.
The Greendot Webhooks Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 175,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/greendot-webhooks curl -L https://claudskills.com/skills/greendot-webhooks/SKILL.md \ -o ~/.claude/skills/greendot-webhooks/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/greendot-webhooks/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/greendot-webhooks/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\greendot-webhooks\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
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SKILL.md from the source repository to ~/.claude/skills/greendot-webhooks/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Greendot Webhooks is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.If you reference this skill in a blog post, paper, or documentation, you can cite it as:
@misc{greendot-webhooks-2026,
author = {hookdeck},
title = {Greendot Webhooks [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/greendot-webhooks/}
}Grade A · scanned 2026-08-03 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:
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SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.