Agent standards ecosystem

Agent App is a composition layer. It should link neighboring standards rather than absorb them.

Standard	Owns
Agent Skills	Procedures, workflows, scripts, and tool usage guidance.
Agent Knowledge	Source-grounded knowledge packs and safe context loading.
Agent Runtime	Execution facts, tasks, turns, events, recovery, and controls.
Agent Tool	Tool declarations, permissions, invocations, and results.
Agent Context	Context surfaces, selection, assembly, injection, and compaction.
Agent UI	Interaction surface semantics and runtime projection.
Agent Artifact	Durable deliverables, versions, parts, exports, and handoff.
Agent Evidence	Claims, source maps, provenance, verification, replay, and export.
Agent Policy	Policy decisions, approvals, permissions, risk, and retention.
Agent QC	Quality gates, acceptance scenarios, and regression evidence.
Agent App	Installable composition of entries, dependencies, permissions, overlays, and readiness.

Related external reference:

• Agent Skills for the directory-as-package and SKILL.md authoring model.