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Create reusable `SKILL.md` instructions for agent-driven development workflows.
Agent Skill Builder: Define your skill's name, description, triggers, and actions using the visual builder. Export the configuration as a YAML or JSON file ready to install in your agent framework. No coding required for basic skills.
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Agent Skill Builder — The Antigravity Skill Builder is a free tool that helps developers create and configure agent skills for AI coding assistants and automation frameworks.
Describe the agent workflow goal in plain language.
Set skill name and task boundaries.
Generate the `SKILL.md` output and review instructions.
Download and place the file into your project skill directory.
Reusable coding task templates
Standardized QA and review instructions
Project-specific automation playbooks
Agent onboarding and documentation
Skill-definition tooling is most useful when output is predictable and easy to audit. This page is optimized around that use case.
It helps teams reduce repeated prompt authoring by converting workflow intent into structured, reusable instructions.
Enter a description and generate your custom Agent Skill.