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Agent skill

Gamma Common Errors

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

Debug and resolve common Gamma API errors. An agent skill from jeremylongshore/tons-of-skills-marketplace.

MITAuto-check passedBackend & APIs

Install Gamma Common Errors

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

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace gamma-common-errors --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-common-errors .claude/skills/gamma-common-errors && 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-common-errors
GitHub stars
2.8k
Token cost
~1.2k tokens
SKILL.md length
293 words
Files
1
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Debug and resolve common Gamma API errors. An agent skill from jeremylongshore/tons-of-skills-marketplace.

  • Works in 4 steps: Verify API key in Gamma dashboard → Check environment variable is set: echo… → Ensure key hasn't been rotated → …
  • Encountering authentication failures
  • SKILL.md covers Instructions, Output, Error Handling and Examples, plus 7 more sections
  • Needs GAMMA_API_KEY

What it does

Gamma Common Errors is an agent skill from jeremylongshore/tons-of-skills-marketplace. Debug and resolve common Gamma API errors. Use when encountering authentication failures, rate limits, generation errors, or unexpected API responses. Trigger with phrases like "gamma error", "gamma not working", "gamma API error", "gamma debug", "gamma troubleshoot".

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 Rate limiting. 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

  • Encountering authentication failures
  • Generation errors
  • Unexpected API responses
  • With phrases like gamma error

Example prompts

  • “gamma error”
  • “gamma not working”
  • “gamma API error”
  • “/gamma-common-errors”

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

4 steps, taken from the first numbered list in SKILL.md.

  1. Verify API key in Gamma dashboard
  2. Check environment variable is set: echo $GAMMA_API_KEY
  3. Ensure key hasn't been rotated
  4. Check for trailing whitespace in key

What it can do on your machine

Read from SKILL.md and the folder at commit 80f86df. 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).

    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
    • status.gamma.app

    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 Common Errors loads about 1.2k tokens when it runs. Until then it costs about 72 tokens; SKILL.md has 293 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~72
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 passed

The automated check found no risky patterns in SKILL.md.

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 80f86df, republished under its MIT licence (© jeremylongshore). 293 words, ~1,231 tokens.

Download SKILL.mdSave it as .claude/skills/gamma-common-errors/SKILL.md (or your agent's skills folder).
name
gamma-common-errors
description
Debug and resolve common Gamma API errors. Use when encountering authentication failures, rate limits, generation errors, or unexpected API responses. Trigger with phrases like "gamma error", "gamma not working", "gamma API error", "gamma debug", "gamma troubleshoot".
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, debugging, authentication

Gamma Common Errors

Instructions

Classify the failure as access, content generation, publish/share, integration, quota, or availability; reproduce safely in staging; apply the smallest reversible correction; verify recovery and safe failure behavior.

Output

Return an opaque correlation ID, error category, corrective action, verification, owner, and follow-up. Keep private content, viewer details, and credentials out of evidence.

Error Handling

Pause sharing/publishing on permission, destination, or privacy failures; use bounded retries for transient errors and rollback before replaying content actions.

Examples

Use a fictional presentation to trigger a controlled publish error, restore the staging configuration, and verify no external audience received content.

Overview

Reference guide for debugging and resolving common Gamma API errors.

Prerequisites

  • Active Gamma integration
  • Access to logs and error messages
  • Understanding of HTTP status codes

Error Reference

Authentication Errors (401/403)
typescript
// Error: Invalid API Key
{
  "error": "unauthorized",
  "message": "Invalid or expired API key"
}

Solutions:

  1. Verify API key in Gamma dashboard
  2. Check environment variable is set: echo $GAMMA_API_KEY
  3. Ensure key hasn't been rotated
  4. Check for trailing whitespace in key
Rate Limit Errors (429)
typescript
// Error: Rate Limited
{
  "error": "rate_limited",
  "message": "Too many requests",
  "retry_after": 60
}

Solutions:

  1. Implement exponential backoff
  2. Check rate limit headers: X-RateLimit-Remaining
  3. Upgrade plan for higher limits
  4. Queue requests with delays
typescript
async function withRetry(fn: () => Promise<any>, maxRetries = 3) {
  for (let i = 0; i < maxRetries; i++) {
    try {
      return await fn();
    } catch (err) {
      if (err.code === 'rate_limited' && i < maxRetries - 1) {
        const delay = (err.retryAfter || Math.pow(2, i)) * 1000;  # 1000: 1 second in ms
        await new Promise(r => setTimeout(r, delay));
        continue;
      }
      throw err;
    }
  }
}
Generation Errors (400/500)
typescript
// Error: Generation Failed
{
  "error": "generation_failed",
  "message": "Unable to generate presentation",
  "details": "Content too complex"
}

Solutions:

  1. Simplify prompt or reduce slide count
  2. Remove special characters from content
  3. Check content length limits
  4. Try different style setting
Timeout Errors
typescript
// Error: Request Timeout
{
  "error": "timeout",
  "message": "Request timed out after 30000ms"
}

Solutions:

  1. Increase client timeout setting
  2. Use async job pattern for large presentations
  3. Check network connectivity
  4. Reduce request complexity
typescript
const gamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY,
  timeout: 60000, // 60 seconds  # 60000: 1 minute in ms
});
Export Errors
typescript
// Error: Export Failed
{
  "error": "export_failed",
  "message": "Unable to export presentation",
  "format": "pdf"
}

Solutions:

  1. Verify presentation exists and is complete
  2. Check supported export formats
  3. Ensure no pending generation jobs
  4. Try exporting with lower quality setting

Debugging Tools

Enable Debug Logging
typescript
const gamma = new GammaClient({
  apiKey: process.env.GAMMA_API_KEY,
  debug: true, // Logs all requests/responses
});
Check API Status
typescript
const status = await gamma.status();
console.log('API Status:', status.healthy ? 'OK' : 'Issues');
console.log('Services:', status.services);

Error Handling Pattern

typescript
import { GammaError, RateLimitError, AuthError } from '@gamma/sdk';

try {
  const result = await gamma.presentations.create({ ... });
} catch (err) {
  if (err instanceof AuthError) {
    console.error('Check your API key');
  } else if (err instanceof RateLimitError) {
    console.error(`Retry after ${err.retryAfter}s`);
  } else if (err instanceof GammaError) {
    console.error('API Error:', err.message);
  } else {
    throw err;
  }
}

Resources

Next Steps

Proceed to gamma-debug-bundle for comprehensive debugging tools.

© 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-common-errors of jeremylongshore/tons-of-skills-marketplace.

Open the folder on GitHubat commit 80f86df

Compare with similar skills

Gamma Common Errors 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 Common Errors compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Gamma Common Errors this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.2kAutomated safety check: PassMIT
Resiliencecodewithmukesh/dotnet-claude-kit7551 repos~3.2kAutomated safety check: PassMIT
API For Yourselfmohitagw15856/pm-claude-skills1.4k—~1.4kAutomated safety check: PassMIT
Azure Open DatasetsMicrosoftDocs/Agent-Skills777—~579Automated safety check: PassCC-BY-4.0
Add Hosted Keysimstudioai/sim30k—~3.4kAutomated safety check: PassApache-2.0
Upstash Ratelimit TSupstash/ratelimit-js2k—~313Automated safety check: PassMIT

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Categories

Questions about Gamma Common Errors

What does Gamma Common Errors do?

Debug and resolve common Gamma API errors. An agent skill from jeremylongshore/tons-of-skills-marketplace. Gamma Common Errors is an agent skill from jeremylongshore/tons-of-skills-marketplace. Debug and resolve common Gamma API errors.

When should I use Gamma Common Errors?

Gamma Common Errors fits situations like: encountering authentication failures; generation errors; unexpected API responses; with phrases like gamma error.

How do I install Gamma Common Errors in Claude Code?

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

How do I install Gamma Common Errors in Codex?

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

Can I use Gamma Common Errors 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-common-errors -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-common-errors, .gemini/skills/gamma-common-errors, .github/skills/gamma-common-errors and .opencode/skills/gamma-common-errors in your project.

What does Gamma Common Errors need to run?

Going by SKILL.md and its folder, Gamma Common Errors 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 Common Errors access the network?

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

Is Gamma Common Errors safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Gamma Common Errors use?

Gamma Common Errors 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 Common Errors use?

About 1.2k tokens (SKILL.md is roughly 4.9k 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 Common Errors?

Skills that share tags, products or a category with Gamma Common Errors: Resilience (codewithmukesh/dotnet-claude-kit, 755 stars), API For Yourself (mohitagw15856/pm-claude-skills, 1.4k stars), Azure Open Datasets (MicrosoftDocs/Agent-Skills, 777 stars) and Add Hosted Key (simstudioai/sim, 30k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Gamma Common Errors?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,825 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 9, 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.