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Agent skill

Gamma Security Basics

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Implement security best practices for Gamma integration. An agent skill from jeremylongshore/tons-of-skills-marketplace.

MITAuto-check: notesBackend & APIs

Install Gamma Security Basics

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill gamma-security-basics -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace gamma-security-basics --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/gamma-security-basics .claude/skills/gamma-security-basics && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
gamma-security-basics
GitHub stars
2.8k
Token cost
~1.2k tokens
SKILL.md length
199 words
Files
1
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Implement security best practices for Gamma integration. An agent skill from jeremylongshore/tons-of-skills-marketplace.

  • Works in 5 steps: Secure API Key Storage → Key Rotation Strategy → Request Signing (if supported) → …
  • Securing API keys
  • SKILL.md covers Output, Examples, Overview and Prerequisites, plus 5 more sections
  • Needs GAMMA_API_KEY

What it does

Gamma Security Basics is an agent skill from jeremylongshore/tons-of-skills-marketplace. Implement security best practices for Gamma integration. Use when securing API keys, implementing access controls, or auditing Gamma security configuration. Trigger with phrases like "gamma security", "gamma API key security", "gamma secure", "gamma credentials", "gamma access control".

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Designed for Claude Code

It sits in Backend & APIs, covering Authorization and RBAC and Security review. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Securing API keys
  • Implementing access controls
  • Auditing Gamma security configuration
  • With phrases like gamma security

Example prompts

  • “gamma security”
  • “gamma API key security”
  • “gamma secure”
  • “/gamma-security-basics”

Requirements

  • A credential in GAMMA_API_KEY
  • Compatibility (from SKILL.md): Designed for Claude Code
  • Pre-approved tools (allowed-tools): Read, Write, Edit, Grep

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Secure API Key Storage
  2. Key Rotation Strategy
  3. Request Signing (if supported)
  4. Access Control Patterns
  5. Audit Logging

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit
    • Grep

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript and bash).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • gamma.app
    • owasp.org

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • GAMMA_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Designed for Claude Code

    From compatibility in the SKILL.md frontmatter.

Context cost

Gamma Security Basics loads about 1.2k tokens when it runs. Until then it costs about 77 tokens; SKILL.md has 199 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~77
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:65
    # .env (add to .gitignore!)
  • NoteMentions a .env fileSKILL.md:168
    - [ ] .env files in .gitignore

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 199 words, ~1,174 tokens.

Download SKILL.mdSave it as .claude/skills/gamma-security-basics/SKILL.md (or your agent's skills folder).
name
gamma-security-basics
description
Implement security best practices for Gamma integration. Use when securing API keys, implementing access controls, or auditing Gamma security configuration. Trigger with phrases like "gamma security", "gamma API key security", "gamma secure", "gamma credentials", "gamma access control".
allowed-tools
Read, Write, Edit, Grep
compatibility
Designed for Claude Code
version
1.13.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, gamma, api, security, audit

Gamma Security Basics

Output

Maintain a security receipt with identity scope, secret reference, access-review date, control result, owner, and redacted incident state. Do not include tokens or private content.

Examples

Use a scoped staging credential and fictional deck to verify least-privilege access, revoke it, and confirm access is denied without exposing content or credentials in evidence.

Overview

Security best practices for Gamma API integration to protect credentials and data.

Prerequisites

  • Active Gamma integration
  • Environment variable support
  • Understanding of secret management

Instructions

Step 1: Secure API Key Storage
typescript
// NEVER do this
const gamma = new GammaClient({
  apiKey: 'gamma_live_abc123...', // Hardcoded - BAD!
});

// DO this instead
const gamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY,
});

Environment Setup:

bash
# .env (add to .gitignore!)
GAMMA_API_KEY=gamma_live_abc123...

# Load in application
import 'dotenv/config';
Step 2: Key Rotation Strategy
typescript
// Support multiple keys for rotation
const gamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY_PRIMARY
    || process.env.GAMMA_API_KEY_SECONDARY,
});

// Rotation script
async function rotateApiKey() {
  // 1. Generate new key in Gamma dashboard
  // 2. Update GAMMA_API_KEY_SECONDARY
  // 3. Deploy and verify
  // 4. Swap PRIMARY and SECONDARY
  // 5. Revoke old key
}
Step 3: Request Signing (if supported)
typescript
import crypto from 'crypto';

function signRequest(payload: object, secret: string): string {
  const timestamp = Date.now().toString();
  const message = timestamp + JSON.stringify(payload);

  return crypto
    .createHmac('sha256', secret)
    .update(message)
    .digest('hex');
}

// Usage with webhook verification
function verifyWebhook(body: string, signature: string, secret: string): boolean {
  const expected = crypto
    .createHmac('sha256', secret)
    .update(body)
    .digest('hex');

  return crypto.timingSafeEqual(
    Buffer.from(signature),
    Buffer.from(expected)
  );
}
Step 4: Access Control Patterns
typescript
// Scoped API keys (if supported)
const readOnlyGamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY_READONLY,
  scopes: ['presentations:read', 'exports:read'],
});

const fullAccessGamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY_FULL,
});

// Permission check before operations
async function createPresentation(user: User, data: object) {
  if (!user.permissions.includes('gamma:create')) {
    throw new Error('Insufficient permissions');
  }
  return fullAccessGamma.presentations.create(data);
}
Step 5: Audit Logging
typescript
import { GammaClient } from '@gamma/sdk';

function createAuditedClient(userId: string) {
  return new GammaClient({
    apiKey: process.env.GAMMA_API_KEY,
    interceptors: {
      request: (config) => {
        console.log(JSON.stringify({
          timestamp: new Date().toISOString(),
          userId,
          action: `${config.method} ${config.path}`,
          type: 'gamma_api_request',
        }));
        return config;
      },
    },
  });
}

Security Checklist

  • API keys stored in environment variables
  • .env files in .gitignore
  • No keys in source code or logs
  • Key rotation procedure documented
  • Minimal permission scopes used
  • Audit logging enabled
  • Webhook signatures verified
  • HTTPS enforced for all calls

Error Handling

Security IssueDetectionRemediation
Exposed keyGitHub scanningRotate immediately
Key in logsLog auditFilter sensitive data
Unauthorized accessAudit logsRevoke and investigate
Weak permissionsAccess reviewApply least privilege

Resources

Next Steps

Proceed to gamma-prod-checklist for production readiness.

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/.curated/gamma-security-basics of jeremylongshore/tons-of-skills-marketplace.

Open the folder on GitHubat commit cfae287

Compare with similar skills

Gamma Security Basics next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Gamma Security Basics compared with similar skills
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Gamma Security Basics this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.2kAutomated safety check: NotesMIT
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Security Hardeningchmonitor/chmonitor300—~440Automated safety check: PassGPL-3.0
Django Access Reviewgetsentry/skills1k3 repos~2.6kAutomated safety check: NotesApache-2.0
Cb Security HardeningBlkLeg/CircuitBreaker201—~2.1kAutomated safety check: PassMIT
Gke Workload Securitygoogle/skills21k—~1.9kAutomated safety check: PassApache-2.0

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Categories

Questions about Gamma Security Basics

What does Gamma Security Basics do?

Implement security best practices for Gamma integration. An agent skill from jeremylongshore/tons-of-skills-marketplace. Gamma Security Basics is an agent skill from jeremylongshore/tons-of-skills-marketplace. Implement security best practices for Gamma integration.

When should I use Gamma Security Basics?

Gamma Security Basics fits situations like: securing API keys; implementing access controls; auditing Gamma security configuration; with phrases like gamma security.

How do I install Gamma Security Basics in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill gamma-security-basics -a claude-code`. Or copy the skill folder (skills/.curated/gamma-security-basics in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/gamma-security-basics in your project. Claude Code loads it when a task matches its description.

How do I install Gamma Security Basics in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill gamma-security-basics -a codex`. Or copy the skill folder (skills/.curated/gamma-security-basics in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/gamma-security-basics in your project. Codex loads it when a task matches its description.

Can I use Gamma Security Basics in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill gamma-security-basics -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/gamma-security-basics, .gemini/skills/gamma-security-basics, .github/skills/gamma-security-basics and .opencode/skills/gamma-security-basics in your project.

What does Gamma Security Basics need to run?

Going by SKILL.md and its folder, Gamma Security Basics needs credentials named GAMMA_API_KEY. Our summary lists: A credential in GAMMA_API_KEY. Its frontmatter pre-approves these tools: Read, Write, Edit, Grep. Compatibility (from SKILL.md): Designed for Claude Code.

Does Gamma Security Basics access the network?

SKILL.md names 2 domains. As links in the text: gamma.app and owasp.org. This is read from the text; nothing was executed.

Is Gamma Security Basics safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Gamma Security Basics use?

Gamma Security Basics is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Gamma Security Basics use?

About 1.2k tokens (SKILL.md is roughly 4.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Gamma Security Basics?

Skills that share tags, products or a category with Gamma Security Basics: Sec Check (waynesutton/markdown-site, 627 stars), Security Hardening (chmonitor/chmonitor, 300 stars), Django Access Review (getsentry/skills, 1k stars) and Cb Security Hardening (BlkLeg/CircuitBreaker, 201 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Gamma Security Basics?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.