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ClaudSkills / Security / identity-access

Supabase Security Basics

Category: Security  ·  Sub-category: identity-access  ·  Last updated:
cloud:supabasetype:audit
Apply Supabase security best practices: anon vs service_role key separation, RLS enforcement, policy patterns, JWT verification, and API hardening. Use when securing a Supabase project, auditing API key usage, implementing Row Level Security, or running a production security checklist. Trigger with phrases like "supabase security", "supabase RLS", "secure supabase", "supabase API key", "supabase hardening", "row level security", "service role key".

About this skill (catalog notes)

Supabase Security Basics includes a dedicated installation section; worked examples; 14 code blocks for direct copy-paste. At roughly 1,619 words the SKILL.md is on the longer end of the catalog distribution.

License
MIT
Original author
Jeremy Longshore <[email protected]>
Indexed lastmod
Catalog position
Security · identity-access
Indexed related skills
10

How Supabase Security Basics fits the catalog

Supabase Security Basics sits in the Security category under the identity-access sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Supabase Security Basics 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/supabase-security-basics/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when securing a Supabase project, auditing API key usage, implementing Row Level Security, or running a production security checklist. Trigger with phrases like "supabase security", "supabase RLS", "secure supabase", "supabase API key", "supabase hardening", "row level security", "service role key".

Who uses this skill

The Supabase Security Basics 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 118,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/supabase-security-basics
curl -L https://claudskills.com/skills/supabase-security-basics/SKILL.md \
  -o ~/.claude/skills/supabase-security-basics/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/supabase-security-basics/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/supabase-security-basics/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\supabase-security-basics\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

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 →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Frequently asked questions

How do I install the Supabase Security Basics Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/supabase-security-basics/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Supabase Security Basics skill do?
Apply Supabase security best practices: anon vs service_role key separation, RLS enforcement, policy patterns, JWT verification, and API hardening. Use when securing a Supabase project, auditing API key usage, implementing Row Level Security, or running a production security checklist. Trigger with phrases like "supabase security", "supabase RLS", "secure supabase", "supabase API key", "supabase hardening", "row level security", "service role key".
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Supabase Security Basics skill?
Use Supabase Security Basics when your Claude Code task falls under the Security category — specifically in the identity access area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Supabase Security Basics" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Supabase Security Basics skill fit in?
A Claude Code skill is a 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. Supabase Security Basics 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/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
Jeremy Longshore <[email protected]>. (2026). Supabase Security Basics [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/supabase-security-basics/
BibTeX
@misc{supabase-security-basics-2026,
  author    = {Jeremy Longshore <[email protected]>},
  title     = {Supabase Security Basics [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/supabase-security-basics/}
}

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