Workflow Skill Creator

Google DeepMindOfficialPublished by Google DeepMind

Skill
Meta (authoring, orchestration, planning, memory)
Agent tooling
Apache-2.0
Low risk
Has scripts

From the author

Distills a completed user workflow or interaction into a reusable agent skill. Use when the user asks to turn their workflow, interaction, or multi-step process into a skill, or when they say "make this a skill", "create a skill from what we just did", "package this workflow" or similar. Do not use for creating skills from scratch without an existing workflow (use a generic skill-creator for that).

— the description by Google DeepMind

AutoGineer summary

Written by AutoGineer from the skill’s own files, not by the author

Workflow-skill-creator is an orchestration tool designed to capture successful, multi-step agent interactions and distill them into formal, reusable skills. It guides the user through a structured four-phase process—brainstorming, design, implementation, and validation—to ensure the resulting skill is robust, well-documented, and follows best practices for error handling, rate limiting, and modularity.

What it does

Analyzes completed user-agent interactions to identify repeatable patterns.
Facilitates a structured brainstorming process to define skill scope, inputs, and outputs.
Generates a formal design document for user approval before implementation.
Implements skills using either a CLI script pattern for programmatic tasks or an instruction-only pattern for orchestration.
Enforces best practices like file-based output, rate limiting, and dependency management.
Validates the final skill against user-provided test cases.

When to use it

When you have successfully completed a complex task and want to automate it for future use.
When you find yourself repeating the same sequence of agent commands or steps.
When you need to package a specific workflow into a formal, shareable agent skill.
When you want to ensure a workflow adheres to professional standards for error handling and documentation.

Advantages

Ensures consistency by formalizing ad-hoc workflows into repeatable procedures.
Promotes modularity by encouraging the reuse of existing skills.
Reduces errors through mandatory brainstorming and design phases.
Standardizes skill structure, making them easier to maintain and share.
Provides a clear path for implementing programmatic logic via CLI scripts.

Usage examples

“Make this a skill.”: The agent initiates the brainstorming phase, summarizing the recent interaction and asking clarifying questions to begin the distillation process.
“Create a skill from what we just did.”: The agent reviews the conversation history, identifies the core workflow steps, and proposes a structure for the new skill.

Install

Download the skill as a ZIP:
https://mp-staging.autogineer.com/agent-skills/google-deepmind/workflow-skill-creator/download

Unzip it into the cross-client skills folder of your project:

mkdir -p .agents/skills && unzip workflow-skill-creator.zip -d .agents/skills

Documentation by Google DeepMind

Workflow-to-Skill Distiller

Turns a completed workflow into a reusable agent skill. Specifically, this skill extracts patterns from an interaction or workflow that already happened and packages them.

[!CAUTION] You MUST complete Phase 1 (Brainstorming) before writing any code or SKILL.md content. Skipping brainstorming produces skills that are either too rigid or too vague. The brainstorming conversation is the most important part of this process.

Phase 1: Brainstorming (MANDATORY)

Have an iterative back-and-forth conversation with the user. Do NOT ask all questions at once. Pick 2-3 relevant questions per round from the bank below, refine your understanding, and ask follow-ups.

Round 1: Understand the Workflow

Start by summarizing what you observed from the workflow, then ask:

"Here's my understanding of the workflow: [summary]. Is this accurate? What would you change?"
"What are the expected inputs and outputs for this workflow?"
"How often do you expect to run this workflow? Is it recurring or one-off?"

Round 2: Flexibility and Error Handling

For each step identified in the workflow, determine its rigidity:

"For [step X], if the primary approach fails (e.g., API down, no results), should the agent: (a) ask you for guidance, (b) try alternative approaches automatically, or (c) fail loudly with an error?"
"Are there any steps where the exact method matters (e.g., must use a specific database), vs. steps where any reasonable approach is fine?"
"Should the skill handle edge cases silently or surface them to the user?"

Round 3: Dependencies and Resources

Before asking these questions, check which of your installed skills overlap with the workflow. If an existing skill from the science bundle covers a step, the new skill MUST reference it — do not offer a self-contained option.

"I noticed the workflow uses functionality covered by [existing skill X, skill Y]. The new skill will reference these rather than reimplementing them. Are there any other tools or skills you'd like me to incorporate?"
"Are there any API rate limits I should be aware of for services used in this workflow that aren't already covered by an existing skill?"
"Are there specific files that provide important scientific context for creating this skill? For example: API documentation, reference papers, example datasets, or domain-specific notes. If so, please share them and I will incorporate their content into the skill's reference materials."

Round 4: Scope and Shape

"Our workflow covered [X, Y, Z]. Should I distill all of these into the skill, or is there additional functionality that's important to include? Conversely, should any of these be left out?"
Determine whether the skill needs any code. If any step involves calling an API, processing data, reading/writing files, or computing results, the skill needs code and you should default to the CLI pattern. Only use a text-only instruction skill when every step is purely about reasoning, coordinating existing tools, or following a written protocol with no programmatic work at all. Confirm your assessment with the user in plain language:
- If code is needed: "Some of these steps involve [fetching data from an API / processing files / computing results], so I'll create a helper script that the agent can run for you. The script will have simple commands like search, fetch, analyze, etc. — you won't need to write any code yourself. Does that sound right?"
- If no code is needed: "This workflow is entirely about following a set of steps and using existing tools — no new code is needed. I'll write it as a set of clear instructions the agent follows. Does that sound right?"
If a helper script will be created: "I'm thinking the script should have these commands: [proposed commands in plain English, e.g. 'search for proteins', 'fetch results', 'compare sequences']. What would you add or change?"
"What should the skill be called? Proposed name: [suggestion]."

Round 5: Testing (Optional)

"Can you provide a sample query and expected answer that I can use to verify the skill works as intended? For example: 'If I ask [question], the skill should produce [answer].' This is optional but helps me validate the skill during development."

Brainstorming Completion Criteria

You are ready to move to Phase 2 when you can confidently answer ALL of:

[ ] What is the workflow's purpose and scope?
[ ] What are the inputs and outputs?
[ ] Which steps are strict vs. flexible?
[ ] Which existing skills should be referenced?
[ ] What new scripts (if any) are needed?
[ ] What rate limits apply?
[ ] How should errors be handled?
[ ] Does the workflow need any code? (If yes → CLI pattern; if no → instruction-only)
[ ] Where should the skill be installed? (local, global, or custom path)
[ ] Is there a sample query/answer for validation?

Phase 2: Skill Design

Produce a design document (as an artifact / implementation plan) and present it to the user for approval. The document must include:

Skill name and description (following YAML frontmatter rules: name ≤64 chars, lowercase + hyphens; description ≤1024 chars).
Directory structure showing all planned files and the install location (local, global, or custom — see Rule 7).
Existing skills referenced with rationale for each.
New scripts (if any) with proposed subcommands and arguments.
Rate limiting strategy for any APIs not covered by existing skills.
Error handling strategy per step.

Wait for explicit user approval before proceeding to Phase 3.

Phase 3: Implementation

Guiding Principles

General guidelines for skill implementation:

Use uv run, never python or python3.
Prefer stdlib libraries that come with a default Python 3 installation (urllib preferred); Avoid libraries that require extra installation if possible.
Rate limits must be documented and respected in code. Prefer file-lock–based rate limiting so that concurrent sub-agents sharing the same machine collectively respect the limit. See other skills in the Science Skills bundle for the canonical cross-process–safe implementation.
Skill output must be <500 lines or redirected to a file. Long output files should be processed programmatically to extract relevant fields.
Hyphens are recommended for the skill name and YAML name: field.

Rule 1: Reuse Existing Skills

When the workflow uses functionality covered by an existing installed skill, the new SKILL.md MUST reference it by name rather than reimplementing. Include a Dependencies section in the SKILL.md listing required skills with a brief rationale for each.

Rule 2: Rate Limiting for New APIs

For any API interaction not covered by an existing skill, the generated CLI script MUST implement rate limiting. Before writing any rate-limiting code, look up the API's official rate-limit guidelines: check any documentation the user provided during brainstorming, then search the API's public documentation online. If no documented rate limit can be found, default to 1 request per second. The rate limiting pattern is built directly into the CLI template at references/cli_script_template.py — see the RateLimitError class and the _request method of the API client.

Key requirements:

Use time.monotonic() for timing (not time.time()).
Calculate delay from documented rate limits.
Implement retry with exponential backoff for transient errors (5xx).
Raise a dedicated RateLimitError when HTTP 429 is received.
Log retry attempts to stderr so the agent can observe progress.
Include the URL and rate-limit value in error messages.
On non-retriable HTTP errors (e.g. 400, 403, 404), read and include the response body in the error message — not just the status code. API response bodies contain actionable details (e.g., "Invalid parameter") that enable the agent to self-correct.

Rule 3: CLI Script Pattern (Default When Code Is Needed)

This is the default choice. If any step in the workflow involves API calls, data processing, file I/O, computation, or any other programmatic work, produce a multi-command CLI script using argparse with subcommands. Follow the template in references/cli_script_template.py.

Key requirements:

Each major workflow step becomes a subcommand.
All subcommands accept --output for writing results to a file.
Use json.dump with indent=2 for JSON output.
Print a success message with the output file path.
Exit with code 1 on errors.
Make arguments like --limit required (no silent defaults). This forces the agent to specify the value explicitly, preventing it from assuming it retrieved "all" results when it was silently capped.

Rule 4: Default to File Output

All scripts and workflows MUST write output to files, not stdout. Stdout should only contain short status messages (e.g., "Success! Data written to: results.json"). This is critical because:

API responses can be very large and will truncate in terminal output.
File output is token-efficient — the agent reads only the fields it needs using jp or Python one-liners.
Large stdout output wastes context window space.

Rule 5: Instruction-Only Pattern (Only When No Code Is Needed)

Use this pattern only when the workflow requires zero programmatic work — i.e., every step is purely about orchestration, reasoning, multi-skill coordination, or following a written protocol. If any step needs code (API calls, data processing, file I/O, etc.), use the CLI pattern from Rule 3 instead. Produce a SKILL.md with a structured workflow section:

## Workflow

### 1. Step Name
- Description of what to do
- Which skill to use and how

### 2. Next Step
...

Rule 6: SKILL.md Structure

Every generated SKILL.md must follow this structure:

---
name: {skill-name}
description: >-
  {description}
---

# {Skill Title}

## Overview
{Brief description of what the skill does.}

## Dependencies
{List of required skills, if any.}

## Quick Start
{Minimal example to get started.}

## Utility Scripts (if CLI-based)
{Document each subcommand with examples.}

## Workflow (if instruction-only)
{Numbered steps with clear instructions.}

## Rate Limiting (if applicable)
{Document rate limits and how they are enforced.}

## Common Mistakes
{List 2-3 common pitfalls.}

Rule 7: Skill Placement

Skills can be installed locally (project-specific, per-workspace) or globally (available across all projects). Ask the user if they want to install locally, globally, or use a custom install path.

Skill paths by agent CLI (local paths relative to project root):

Claude Code: local .claude/skills/, global ~/.claude/skills/
Codex: local .agents/skills/, global ~/.agents/skills/
Antigravity 2.0: local .agents/skills/, global ~/.gemini/config/skills/
Gemini CLI: local .gemini/skills/, global ~/.gemini/skills/
OpenCode: local .opencode/skills/, global ~/.config/opencode/skills/

For other CLIs, find out local and global skill paths by yourself.

Phase 4: Validation

After implementation is complete:

Test the skill manually by invoking the agent with a natural-language prompt that should trigger the new skill.
If a sample query/answer was provided during brainstorming, run it through the skill and verify the output matches expectations.

Files

ATTRIBUTION.mdAdded by AutoGineer926 B
LICENSELicence file added by AutoGineer11.1 KiB
SKILL.md12.1 KiB
references/cli_script_template.pyScript6.8 KiB

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Requirements and compatibility

Works with: Claude Code, Claude apps, OpenAI Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode, Goose, Amp, Roo Code, JetBrains Junie, Factory Droid, Devin (ex-Windsurf), Mistral Vibe, OpenHands, Letta

“Works with” means the tool reads the open Agent Skills format; a skill written for one tool may use features others lack.

Needs: Needs Python

Security

What our scanner noticed· Low risk

Scripts that your agent may run

This skill includes scripts that your agent may run. Read them before you use it.

A static scan is not a guarantee. Skills are third-party content: review a skill before you let an agent use it.

Attribution and licence

Published by

Google DeepMind

Publisher

Google DeepMind (Official)

Source

google-deepmind/science-skills · skills/workflow_skill_creator · commit 4de6786

Licence

Apache License 2.0 (redistribution allowed)

LICENSE (added by AutoGineer from LICENSE)
ATTRIBUTION.md (written by AutoGineer)

Synced

2026-11-08

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