Connect Muse to actions across apps through Zapier's official MCP server.

CC0-1.0Auto-check passedProductivity & Automation

Install Zapier

skills CLI
$ npx skills add asgeirtj/system_prompts_leaks --skill zapier -a claude-code

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

GitHub CLI
$ gh skill install asgeirtj/system_prompts_leaks zapier --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/asgeirtj/system_prompts_leaks.git skills-src && mkdir -p .claude/skills && cp -r skills-src/Meta/muse-agent/skills/zapier .claude/skills/zapier && 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
zapier
GitHub stars
69k
Token cost
~328 tokens
SKILL.md length
143 words
Files
3
Skills in repo
128
Repo updated
First seen
Licence
CC0-1.0

At a glance

Connect Muse to actions across apps through Zapier's official MCP server.

  • Tasks that involve Workflow automation
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Zapier is an agent skill from asgeirtj/system_prompts_leaks. Connect Muse to actions across apps through Zapier's official MCP server.

Its SKILL.md is about 330 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `connector_auth_config.yaml` and `manifest.yaml`).

It sits in Productivity & Automation, covering Workflow automation. It works with Zapier and Model Context Protocol. The repository describes itself as: Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro… The licence is CC0-1.0.

When your agent uses it

  • Tasks that involve Workflow automation

Example prompts

  • “/zapier”

What it can do on your machine

Read from SKILL.md and the folder at commit 60d44cc. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    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.

Context cost

Zapier loads about 328 tokens when it runs. Until then it costs about 20 tokens; SKILL.md has 143 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~20
When it runs · the whole SKILL.md, loaded when a task matches
~328

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 asgeirtj/system_prompts_leaks at commit 60d44cc, republished under its CC0-1.0 licence (© asgeirtj). 143 words, ~328 tokens.

Download SKILL.mdSave it as .claude/skills/zapier/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
zapier
description
Connect Muse to actions across apps through Zapier's official MCP server.
icon
zapier
metadata.includeInPrompt
false

Zapier

Use the installed zapier CLI. Start with zapier status. If it reports not_connected, run zapier authorize-url and share only the returned connect_url with the user.

OAuth uses Dynamic Client Registration and PKCE through authd. No shared client secret enters Muse, and credentials must never be requested in chat. Zapier's MCP authorization exposes identity scopes rather than separate read and write scopes, so read-only-by-default behavior is enforced by connector permissions.

Run zapier list-tools to inspect the live provider catalogue and schemas, then call an advertised tool with:

text
zapier call-tool --name <tool> --arguments-json '<json-object>'

list-tools exposes only reviewed Zapier agentic-mode tools and includes each tool's hatch_permission, hatch_action, and hatch_permission_label. Unknown or dynamic managed-mode tools remain unavailable until reviewed. Read permissions follow the user's connector settings; executing write actions and changing configuration use granular approvals. Do not retry a failed or timed-out write automatically because its side effect may have completed.

© asgeirtj, CC0-1.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files in Meta/muse-agent/skills/zapier of asgeirtj/system_prompts_leaks.

  • SKILL.md
  • connector_auth_config.yaml
  • manifest.yaml

Open the folder on GitHubat commit 60d44cc

Compare with similar skills

Zapier 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.

Zapier compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Zapier this skillasgeirtj/system_prompts_leaks69k—~328Automated safety check: PassCC0-1.0
Zapier Demozapier/zapier-mcp430—~2.7kAutomated safety check: PassMIT
Zapier Statuszapier/zapier-mcp430—~1.8kAutomated safety check: PassMIT
Zapier Explorezapier/zapier-mcp430—~4kAutomated safety check: PassMIT
Zapier Onboardzapier/zapier-mcp430—~2.8kAutomated safety check: PassMIT
MCP Urgent Caller Triagezapier/gtm-cheat-codes342—~1kAutomated safety check: PassMIT

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  • DOCX

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Questions about Zapier

What does Zapier do?

Connect Muse to actions across apps through Zapier's official MCP server. Zapier is an agent skill from asgeirtj/system_prompts_leaks. Connect Muse to actions across apps through Zapier's official MCP server.

When should I use Zapier?

Zapier fits situations like: tasks that involve Workflow automation.

How do I install Zapier in Claude Code?

Run `npx skills add asgeirtj/system_prompts_leaks --skill zapier -a claude-code`. Or copy the skill folder (Meta/muse-agent/skills/zapier in asgeirtj/system_prompts_leaks) into .claude/skills/zapier in your project. Claude Code loads it when a task matches its description.

How do I install Zapier in Codex?

Run `npx skills add asgeirtj/system_prompts_leaks --skill zapier -a codex`. Or copy the skill folder (Meta/muse-agent/skills/zapier in asgeirtj/system_prompts_leaks) into .agents/skills/zapier in your project. Codex loads it when a task matches its description.

Can I use Zapier 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 asgeirtj/system_prompts_leaks --skill zapier -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/zapier, .gemini/skills/zapier, .github/skills/zapier and .opencode/skills/zapier in your project.

What does Zapier need to run?

SKILL.md names no scripts, command-line tools or credentials: Zapier is instructions for the agent only.

Does Zapier 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 Zapier 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 Zapier use?

Zapier is published under the CC0-1.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Zapier use?

About 328 tokens (SKILL.md is roughly 1.3k 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 Zapier?

Skills that share tags, products or a category with Zapier: Zapier Demo (zapier/zapier-mcp, 430 stars), Zapier Status (zapier/zapier-mcp, 430 stars), Zapier Explore (zapier/zapier-mcp, 430 stars) and Zapier Onboard (zapier/zapier-mcp, 430 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Zapier?

asgeirtj (a GitHub user) maintains it in asgeirtj/system_prompts_leaks, which has 69,280 GitHub stars. The repository holds 128 skills in this directory. The repository was last updated on October 10, 2026.

Source: asgeirtj/system_prompts_leaks on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.