--- title: "Claude Code CLI / local host" canonical: "https://canmyagentuse.com/atlas/surfaces/claude-code-cli" contentKind: "harness" locale: "en" description: "Anthropic / Claude Code. Exact research surface: claude-code-cli." llmSummary: "Anthropic / Claude Code. Exact research surface: claude-code-cli." publishedAt: null updatedAt: "2026-08-28T00:00:00.000Z" verifiedAt: "2026-08-28" tags: ["evidence-atlas", "research"] --- # Claude Code CLI / local host Anthropic / Claude Code. Exact research surface: claude-code-cli. Research cutoff: 2026-08-28. Documentation and registry evidence are not runtime certification. Unknown means the package did not establish a defensible claim; it does not mean unsupported. - Surface type: cli - Version or observation: 2.1.232+ / observed 2026-08-28 - Availability: ga - Coverage tier: A - Supported: 22 - Partial: 3 - Explicit unsupported: 0 - Unknown: 24 | Feature | Status | Evidence method | Conditions / notes | Sources | | --- | --- | --- | --- | --- | | [A2A agent/server role](/atlas/features/a2a-server) | Unknown | — | — | — | | [A2A client role](/atlas/features/a2a-client) | Unknown | — | — | — | | [ACP agent/server role](/atlas/features/acp-agent) | Unknown | — | — | — | | [ACP client/host role](/atlas/features/acp-client) | Unknown | — | — | — | | [ACP elicitation/approval](/atlas/features/acp-elicitation) | Unknown | — | — | — | | [ACP MCP forwarding](/atlas/features/acp-mcp-forwarding) | Unknown | — | — | — | | [ACP session list](/atlas/features/acp-session-list) | Unknown | — | — | — | | [ACP session load/resume](/atlas/features/acp-session-load) | Unknown | — | — | — | | [ACP stdio](/atlas/features/acp-transport-stdio) | Unknown | — | — | — | | [ACP terminal reverse RPC](/atlas/features/acp-terminal-reverse-rpc) | Unknown | — | — | — | | [Agent Plugins 1.0 core](/atlas/features/agent-plugins-core) | Unknown | inferred | Claude has a broader native plugin format; no explicit Agent Plugins 1.0 conformance claim found. | [S-003](https://agent-plugins.org/specification), [S-012](https://code.claude.com/docs/en/plugins-reference) | | [Agent Plugins failure isolation](/atlas/features/agent-plugins-failure-isolation) | Unknown | — | — | — | | [Agent Plugins packaged MCP](/atlas/features/agent-plugins-mcp) | Unknown | — | — | — | | [Agent Plugins packaged skills](/atlas/features/agent-plugins-skills) | Unknown | — | — | — | | [Agent Skills core](/atlas/features/agent-skills-core) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Agent Skills scripts/assets](/atlas/features/agent-skills-scripts-assets) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Agent Skills standard paths](/atlas/features/agent-skills-standard-paths) | Partial | documented | Agent Skills core is supported with Claude-specific locations/extensions; standard .agents path behavior is not the sole discovery mechanism. | [S-011](https://code.claude.com/docs/en/skills) | | [Cloud agent](/atlas/features/automation-cloud-agent) | Unknown | — | — | — | | [Headless / CI execution](/atlas/features/automation-headless) | Unknown | — | — | — | | [Marketplace or registry](/atlas/features/marketplace-registry) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Organization policy controls](/atlas/features/governance-org-policy) | Unknown | — | — | — | | [AGENTS.md](/atlas/features/instructions-agents-md) | Unknown | — | — | — | | [Native rules/instructions](/atlas/features/instructions-rules) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [MCP 2026-07-28](/atlas/features/mcp-revision-2026-07-28) | Partial | documented+reported | New runtime can negotiate 2026-07-28, but provider/gateway/feature-flag conditions and a reported validation bug limit universal claims. | [S-010](https://code.claude.com/docs/en/mcp), [S-015](https://github.com/anthropics/claude-code/issues/88128) | | [MCP Apps / interactive UI](/atlas/features/mcp-apps) | Unknown | — | — | — | | [MCP client role](/atlas/features/mcp-client) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP elicitation](/atlas/features/mcp-elicitation) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP legacy SSE](/atlas/features/mcp-transport-legacy-sse) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP list_changed](/atlas/features/mcp-list-changed) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP OAuth](/atlas/features/mcp-auth-oauth) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP prompts](/atlas/features/mcp-prompts) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP resources](/atlas/features/mcp-resources) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP roots](/atlas/features/mcp-roots) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP sampling](/atlas/features/mcp-sampling) | Unknown | — | — | — | | [MCP server role](/atlas/features/mcp-server) | Supported | documented | Claude Code can expose an MCP server surface through its documented serve mode. | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP stdio](/atlas/features/mcp-transport-stdio) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP Streamable HTTP](/atlas/features/mcp-transport-streamable-http) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP tasks](/atlas/features/mcp-tasks) | Unknown | — | — | — | | [MCP tools](/atlas/features/mcp-tools) | Supported | documented | — | [S-010](https://code.claude.com/docs/en/mcp) | | [MCP WebSocket extension](/atlas/features/mcp-transport-websocket-extension) | Supported | documented | Claude-specific WebSocket extension; not MCP core transport. | [S-010](https://code.claude.com/docs/en/mcp) | | [Computer/browser use](/atlas/features/computer-use) | Unknown | — | — | — | | [Custom agents](/atlas/features/custom-agents) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Hooks](/atlas/features/hooks) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Native plugin system](/atlas/features/plugins-native) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Nested subagents](/atlas/features/subagents-nested) | Unknown | documented | No definitive nested-subagent support claim located. | [S-014](https://code.claude.com/docs/en/sub-agents) | | [Subagent MCP access](/atlas/features/subagents-mcp-access) | Partial | documented | Project/user subagents can use tools, but plugin subagents ignore mcpServers frontmatter. | [S-014](https://code.claude.com/docs/en/sub-agents) | | [Subagent write access](/atlas/features/subagents-write-access) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Subagents](/atlas/features/subagents) | Supported | documented | — | [S-011](https://code.claude.com/docs/en/skills), [S-012](https://code.claude.com/docs/en/plugins-reference), [S-013](https://code.claude.com/docs/en/hooks), [S-014](https://code.claude.com/docs/en/sub-agents) | | [Session handoff/import](/atlas/features/session-handoff) | Unknown | — | — | — | [HTML](/atlas/surfaces/claude-code-cli) · [JSON](/api/v1/atlas/surfaces/claude-code-cli.json) · [Vendor](/atlas/vendors/anthropic)