feat: Introduce a "Skills" framework for ADK agents#1055
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This change adds a new "Skills" framework to the ADK, enabling agents to discover, load, and execute modular skills. Skills are defined by a `SKILL.md` file containing frontmatter and instructions, and can include additional resources like references, assets, and scripts.
Key components include:
- `SkillLoader`: An interface with implementations for loading skills from local files (`LocalSkillLoader`) and Google Cloud Storage (`GcsSkillLoader`).
- `Frontmatter`, `Resources`, `Script`, and `Skill`: Data models representing the structure of a skill.
- `SkillToolset`: A new `BaseToolset` that provides tools for interacting with skills:
- `list_skills`: Lists available skills.
- `load_skill`: Loads the main instructions of a skill.
- `load_skill_resource`: Loads files from a skill's `references/`, `assets/`, or `scripts/` directories.
- `run_skill_script`: Executes scripts within a skill's `scripts/` directory using a provided `BaseCodeExecutor`.
- The `SkillToolset` also adds default system instructions to guide the LLM on how to use skills.
- The `LlmAgent` and `BaseLlmFlow` are updated to properly integrate the `SkillToolset`'s request processing.
PiperOrigin-RevId: 885332438
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feat: Introduce a "Skills" framework for ADK agents
This change adds a new "Skills" framework to the ADK, enabling agents to discover, load, and execute modular skills. Skills are defined by a
SKILL.mdfile containing frontmatter and instructions, and can include additional resources like references, assets, and scripts.Key components include:
SkillLoader: An interface with implementations for loading skills from local files (LocalSkillLoader) and Google Cloud Storage (GcsSkillLoader).Frontmatter,Resources,Script, andSkill: Data models representing the structure of a skill.SkillToolset: A newBaseToolsetthat provides tools for interacting with skills:list_skills: Lists available skills.load_skill: Loads the main instructions of a skill.load_skill_resource: Loads files from a skill'sreferences/,assets/, orscripts/directories.run_skill_script: Executes scripts within a skill'sscripts/directory using a providedBaseCodeExecutor.SkillToolsetalso adds default system instructions to guide the LLM on how to use skills.LlmAgentandBaseLlmFloware updated to properly integrate theSkillToolset's request processing.