Evidence Atlas · exact surface
Kiro Web
AWS / Kiro / Kiro. This page does not inherit claims from sibling products or surfaces.
ProductKiroAWS / Kiro
- Surface ID
- kiro-web
- Type
- web-agent
- Target
- hosted observed 2026-08-28
- Availability
- ga
- Coverage tier
- A
- Supported
- 13
- Partial
- 1
- Explicit no
- 1
- Unknown
- 34
Full 49-feature grid
Compatibility cells
Y = supported · P = partial · N = explicit unsupported · ? = unknown.
| Feature | Status | Evidence | Conditions and notes | Sources |
|---|---|---|---|---|
| A2A agent/server roleA2A · a2a.server | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| A2A client roleA2A · a2a.client | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP agent/server roleACP · acp.agent | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP client/host roleACP · acp.client | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP elicitation/approvalACP · acp.elicitation | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP MCP forwardingACP · acp.mcp-forwarding | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP session listACP · acp.session-list | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP session load/resumeACP · acp.session-load | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP stdioACP · acp.transport.stdio | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| ACP terminal reverse RPCACP · acp.terminal-reverse-rpc | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Agent Plugins 1.0 coreAgent Plugins · agent-plugins.core | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. | |
| Agent Plugins failure isolationAgent Plugins · agent-plugins.failure-isolation | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Agent Plugins packaged MCPAgent Plugins · agent-plugins.mcp | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. | |
| Agent Plugins packaged skillsAgent Plugins · agent-plugins.skills | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. | |
| Agent Skills coreAgent Skills · agent-skills.core | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. |
|
| Agent Skills scripts/assetsAgent Skills · agent-skills.scripts-assets | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. |
|
| Agent Skills standard pathsAgent Skills · agent-skills.standard-paths | PPartial | documented · high confidence · verified 2026-08-281 assertion | Hooks and global skill paths are unavailable on Web; workspace skills remain supported. · Workspace skills are supported, but global/standard discovery scope is limited on this surface. | |
| Cloud agentAutomation · automation.cloud-agent | YSupported | documented · high confidence · verified 2026-08-281 assertion | Kiro cloud sessions run in a managed sandbox and remain reachable across surfaces; availability is preview- and policy-gated for some organizations. | |
| Headless / CI executionAutomation · automation.headless | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Marketplace or registryDistribution · marketplace-registry | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Organization policy controlsGovernance · governance.org-policy | YSupported | documented · high confidence · verified 2026-08-281 assertion | Organization administrators must enable Cloud Sessions before governed users can start Kiro Web sessions. |
|
| AGENTS.mdInstructions · instructions.agents-md | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Native rules/instructionsInstructions · instructions.rules | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP 2026-07-28MCP · mcp.revision.2026-07-28 | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP Apps / interactive UIMCP · mcp.apps | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP client roleMCP · mcp.client | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. | |
| MCP elicitationMCP · mcp.elicitation | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP legacy SSEMCP · mcp.transport.legacy-sse | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP list_changedMCP · mcp.list-changed | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP OAuthMCP · mcp.auth.oauth | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP promptsMCP · mcp.prompts | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP resourcesMCP · mcp.resources | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP rootsMCP · mcp.roots | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP samplingMCP · mcp.sampling | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP server roleMCP · mcp.server | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP stdioMCP · mcp.transport.stdio | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP Streamable HTTPMCP · mcp.transport.streamable-http | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP tasksMCP · mcp.tasks | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| MCP toolsMCP · mcp.tools | YSupported | documented · high confidence · verified 2026-08-281 assertion | No additional condition recorded. | |
| MCP WebSocket extensionMCP · mcp.transport.websocket-extension | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Computer/browser useNative extensibility · computer-use | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Custom agentsNative extensibility · custom-agents | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| HooksNative extensibility · hooks | NUnsupported | documented · high confidence · verified 2026-08-281 assertion | Hooks and global skill paths are unavailable on Web; workspace skills remain supported. | |
| Native plugin systemNative extensibility · plugins.native | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Nested subagentsNative extensibility · subagents.nested | ?Unknown | none confidence | No defensible evidence established in this research pass. | — |
| Subagent MCP accessNative extensibility · subagents.mcp-access | YSupported | documented · high confidence · verified 2026-08-281 assertion | Kiro subagents share configured MCP servers and the default subagent receives configured MCP tools. |
|
| Subagent write accessNative extensibility · subagents.write-access | YSupported | documented · high confidence · verified 2026-08-281 assertion | Kiro's default subagent includes read, write, and shell tools; custom-agent permissions can narrow this access. |
|
| SubagentsNative extensibility · subagents | YSupported | documented · high confidence · verified 2026-08-281 assertion | Kiro documents automatic, explicit, and parallel subagent execution on IDE, CLI, Web, and Mobile. |
|
| Session handoff/importSessions · session.handoff | YSupported | documented · high confidence · verified 2026-08-281 assertion | Account-scoped cloud sessions can be started on one Kiro surface and resumed from another. |
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