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fix(migrate): update AgentCore Harness to GA, add Policy coverage#97

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herosjourney wants to merge 1 commit into
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herosjourney:fix/agentcore-harness-ga-update
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fix(migrate): update AgentCore Harness to GA, add Policy coverage#97
herosjourney wants to merge 1 commit into
awslabs:mainfrom
herosjourney:fix/agentcore-harness-ga-update

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@herosjourney

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Summary

Updates the AI/agentic migration references to reflect AgentCore Harness GA (June 2026) and adds AgentCore Policy (GA March 2026) as a recommended guardrail for tool-call interception.

Problem

The plugin's ai-migration-guardrails.md listed AgentCore Harness as preview in 4 regions with stability caveats. Harness has been GA in all commercial regions since June 2026. Additionally, AgentCore Policy (GA March 2026, 13 regions) provides Cedar-based tool-call guardrails that are highly relevant for startups migrating agentic workloads — but wasn't mentioned at all.

Changes

references/shared/ai-migration-guardrails.md:

  • Update regional availability table: Harness → GA (all commercial regions)
  • Add AgentCore Policy row to availability table (GA, 13 regions)
  • Replace "AgentCore Harness Preview Caveats" section with GA notes
  • Add new "AgentCore Policy (GA)" section with recommendation criteria

references/design-refs/design-ref-harness.md:

  • Add "Production workload" line to "When Harness Fits" criteria
  • Remove preview from regional_fit enum
  • Add policy_recommended field to agentic_design output schema
  • Update field rules documentation

references/design-refs/design-ref-agentic-to-agentcore.md:

  • Clarify Harness is GA in "When NOT to recommend Strands" section

Type of Change

  • Enhancement to existing content

Team Folder

migrate/

Checklist

  • I have read the CONTRIBUTING.md guidelines
  • My changes do not include hardcoded secrets, credentials, or internal-only content
  • I have updated documentation if needed
  • My changes are scoped to my team's folder only

@herosjourney herosjourney requested a review from a team as a code owner July 1, 2026 14:13
- Update ai-migration-guardrails.md: Harness is GA (June 2026) in all
  commercial regions, not preview in 4 regions
- Add AgentCore Policy (GA March 2026, 13 regions) as a new section
  for tool-call guardrails via Cedar policies
- Update design-ref-harness.md: remove preview stability caveats,
  add policy_recommended field to agentic_design schema, update
  regional_fit to remove 'preview' value
- Update design-ref-agentic-to-agentcore.md: clarify Harness is GA
  in 'when NOT to recommend Strands' section
@herosjourney herosjourney force-pushed the fix/agentcore-harness-ga-update branch from a46124e to 4c351ab Compare July 1, 2026 14:14
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