Evaluate skill-equipped agents with Strands Evals and Amazon Bedrock AgentCore | Amazon Web Services

General-purpose agents handle a broad range of tasks, but you still need them to follow the procedures that run your business: compliance checks, document-processing workflows, escalation policies, engineering conventions. Encoding all of that in one system prompt or in application logic gets hard to maintain and update. Skills are a modular alternative. A skill is a reusable set of instructions, usually stored in a SKILL.md file, that teaches an agent a domain-specific task like redacting a contract, reconciling an invoice, or following a team’s pull-request conventions. Because skills follow the open Agent Skills standard, they are portable across compatible harnesses, and the agent loads only the skill it needs at runtime instead of carrying every procedure in its core instructions.

A skill packages one or more tools with the context an agent needs to use them correctly:

• Instructions: Domain-specific guidance and constraints injected into the agent’s context.
• Tool bindings...

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