ToolJet Marketplace Plugin Builder
ToolJet/ToolJet
Turns an API description, such as an OpenAPI file or a Postman collection, into a connector plugin for ToolJet's marketplace and checks it with the repo's validator.
Manage etag handler operations. An agent skill from jeremylongshore/tons-of-skills-marketplace.
Install Etag Handler
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace etag-handler --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/15-api-development/etag-handler .claude/skills/etag-handler && rm -rf skills-srcUse ~/.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/
Install the "etag-handler" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handler into .claude/skills/etag-handler/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "etag-handler", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handlerType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace etag-handler --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/15-api-development/etag-handler .agents/skills/etag-handler && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "etag-handler" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handler into .agents/skills/etag-handler/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "etag-handler", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace etag-handler --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/15-api-development/etag-handler .cursor/skills/etag-handler && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "etag-handler" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handler into .cursor/skills/etag-handler/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "etag-handler", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/jeremylongshore/tons-of-skills-marketplace.git --path skills/15-api-development/etag-handler--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace etag-handler --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/15-api-development/etag-handler .gemini/skills/etag-handler && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "etag-handler" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handler into .gemini/skills/etag-handler/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "etag-handler", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install jeremylongshore/tons-of-skills-marketplace etag-handlerInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/15-api-development/etag-handler .github/skills/etag-handler && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "etag-handler" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handler into .github/skills/etag-handler/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "etag-handler", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace etag-handler --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/15-api-development/etag-handler .opencode/skills/etag-handler && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "etag-handler" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/15-api-development/etag-handler into .opencode/skills/etag-handler/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "etag-handler", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
etag-handler- GitHub stars
- 2.8k
- Token cost
- ~534 tokens
- SKILL.md length
- 189 words
- Files
- 1
- Skills in repo
- 3,342
- Repo updated
- First seen
- Licence
- MIT
At a glance
Manage etag handler operations. An agent skill from jeremylongshore/tons-of-skills-marketplace.
- Works in 4 steps: Provides step-by-step guidance for etag… → Follows industry best practices and… → Generates production-ready code and… → …
- Etag handler Part of the API Development skill category
- SKILL.md covers Overview, When to Use, Instructions and Examples, plus 5 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Etag Handler is an agent skill from jeremylongshore/tons-of-skills-marketplace. Manage etag handler operations. Auto-activating skill for API Development. Triggers on: etag handler, etag handler Part of the API Development skill category. Use when working with etag handler functionality. Trigger with phrases like "etag handler", "etag handler", "etag".
Its SKILL.md is about 530 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. It works with OpenAPI. 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
- Etag handler Part of the API Development skill category
- Working with etag handler functionality
- With phrases like etag handler
Example prompts
- “etag handler”
- “/etag-handler”
Requirements
- Compatibility (from SKILL.md): Designed for Claude Code
- Pre-approved tools (allowed-tools): Read, Write, Edit, Bash(curl:*), Grep
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Provides step-by-step guidance for etag handler
- Follows industry best practices and patterns
- Generates production-ready code and configurations
- Validates outputs against common standards
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:
ReadWriteEditBash(curl:*)Grep
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
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
Etag Handler loads about 534 tokens when it runs. Until then it costs about 72 tokens; SKILL.md has 189 words of instructions outside code blocks.
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). 189 words, ~534 tokens.
Download SKILL.mdSave it as
.claude/skills/etag-handler/SKILL.md (or your agent's skills folder).- name
- etag-handler
- description
- Manage etag handler operations. Auto-activating skill for API Development. Triggers on: etag handler, etag handler Part of the API Development skill category. Use when working with etag handler functionality. Trigger with phrases like "etag handler", "etag handler", "etag".
- allowed-tools
- Read, Write, Edit, Bash(curl:*), Grep
- compatibility
- Designed for Claude Code
- version
- 1.0.0
- license
- MIT
- author
- Jeremy Longshore <jeremy@intentsolutions.io>
- tags
- api, development
Etag Handler
Overview
This skill provides automated assistance for etag handler tasks within the API Development domain.
When to Use
This skill activates automatically when you:
- Mention "etag handler" in your request
- Ask about etag handler patterns or best practices
- Need help with api development skills covering rest, graphql, openapi, authentication, and api design patterns.
Instructions
- Provides step-by-step guidance for etag handler
- Follows industry best practices and patterns
- Generates production-ready code and configurations
- Validates outputs against common standards
Examples
Example: Basic Usage Request: "Help me with etag handler" Result: Provides step-by-step guidance and generates appropriate configurations
Prerequisites
- Relevant development environment configured
- Access to necessary tools and services
- Basic understanding of api development concepts
Output
- Generated configurations and code
- Best practice recommendations
- Validation results
Error Handling
| Error | Cause | Solution |
|---|---|---|
| Configuration invalid | Missing required fields | Check documentation for required parameters |
| Tool not found | Dependency not installed | Install required tools per prerequisites |
| Permission denied | Insufficient access | Verify credentials and permissions |
Resources
- Official documentation for related tools
- Best practices guides
- Community examples and tutorials
Related Skills
Part of the API Development skill category. Tags: api, rest, graphql, openapi, swagger
© 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/15-api-development/etag-handler of jeremylongshore/tons-of-skills-marketplace.
Open the folder on GitHubat commit 80f86df
Compare with similar skills
Etag Handler 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Etag Handler this skilljeremylongshore/tons-of-skills-marketplace | 2.8k | — | ~534 | Automated safety check: Pass | MIT | |
| ToolJet Marketplace Plugin BuilderToolJet/ToolJet | 41k | — | ~2.1k | Automated safety check: Pass | AGPL-3.0 | |
| Step Partsearthtojake/text-to-cad | 19k | 1 repos | ~1.5k | Automated safety check: Pass | MIT | |
| OpenAPI to MCP Servermcp-use/mcp-use | 11k | — | ~5.2k | Automated safety check: Pass | Apache-2.0 | |
| Use Yaakmountain-loop/yaak | 19k | — | ~1.9k | Automated safety check: Pass | MIT | |
| API DesignerJeffallan/claude-skills | 12k | 1 repos | ~2k | Automated safety check: Pass | MIT |
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Works with
Categories
Questions about Etag Handler
What does Etag Handler do?
Manage etag handler operations. An agent skill from jeremylongshore/tons-of-skills-marketplace. Etag Handler is an agent skill from jeremylongshore/tons-of-skills-marketplace. Manage etag handler operations.
When should I use Etag Handler?
Etag Handler fits situations like: etag handler Part of the API Development skill category; working with etag handler functionality; with phrases like etag handler.
How do I install Etag Handler in Claude Code?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a claude-code`. Or copy the skill folder (skills/15-api-development/etag-handler in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/etag-handler in your project. Claude Code loads it when a task matches its description.
How do I install Etag Handler in Codex?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill etag-handler -a codex`. Or copy the skill folder (skills/15-api-development/etag-handler in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/etag-handler in your project. Codex loads it when a task matches its description.
Can I use Etag Handler 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 etag-handler -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/etag-handler, .gemini/skills/etag-handler, .github/skills/etag-handler and .opencode/skills/etag-handler in your project.
What does Etag Handler need to run?
SKILL.md names no scripts, command-line tools or credentials: Etag Handler is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash(curl:*), Grep. Compatibility (from SKILL.md): Designed for Claude Code.
Does Etag Handler access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Etag Handler 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 Etag Handler use?
Etag Handler 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 Etag Handler use?
About 534 tokens (SKILL.md is roughly 2.1k 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 Etag Handler?
Skills that share tags, products or a category with Etag Handler: ToolJet Marketplace Plugin Builder (ToolJet/ToolJet, 41k stars), Step Parts (earthtojake/text-to-cad, 19k stars), OpenAPI to MCP Server (mcp-use/mcp-use, 11k stars) and Use Yaak (mountain-loop/yaak, 19k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Etag Handler?
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.