diff --git a/README.md b/README.md
index 689f6fdbcf..a649aee5e7 100644
--- a/README.md
+++ b/README.md
@@ -233,6 +233,23 @@ For watching a specific pipeline's progress with DAG visualization:
 | `bin/egg-pipeline-watch <pipeline-id> --once` | Show current state and exit (no streaming) |
 | `bin/egg-pipeline-watch <pipeline-id> --ascii` | Use ASCII-only characters (no Unicode) |
 
+### egg-orch CLI
+
+For programmatic interaction with the orchestrator API (usable by both agents and humans):
+
+| Command Group | Description |
+|---------------|-------------|
+| `egg-orch health` | Check orchestrator + gateway health |
+| `egg-orch pipeline list/get/create/status/delete` | Pipeline management |
+| `egg-orch signal complete/progress/error/heartbeat` | Send agent signals |
+| `egg-orch phase get/advance/start/complete` | Phase transitions |
+| `egg-orch decision list/create/resolve/status` | HITL decision queue |
+| `egg-orch container list/spawn/get/stop/logs` | Container operations |
+| `egg-orch gateway health/phase/permissions` | Gateway operations |
+| `egg-orch env` | Show orchestrator environment variables |
+
+All commands support `--json` for machine-readable output. Run `egg-orch <command> --help` for detailed usage.
+
 ### Flags
 
 | Flag | Description |
diff --git a/docs/architecture/orchestrator.md b/docs/architecture/orchestrator.md
index efa69ed1f7..33ac349c5d 100644
--- a/docs/architecture/orchestrator.md
+++ b/docs/architecture/orchestrator.md
@@ -210,6 +210,9 @@ Fixed IPs:
 - `POST /pipelines/{id}/signal` - Sandbox signals (complete, progress, error)
 - `GET /pipelines/{id}/decisions` - HITL decision queue
 
+**CLI Access:**
+The `egg-orch` CLI (`sandbox/bin/egg-orch`) provides command-line access to all orchestrator API endpoints. Available in sandbox containers for agent use, or can be run from the host with appropriate environment variables. See the [README CLI Reference](../../README.md#egg-orch-cli) for command details.
+
 ### Signal Flow
 
 1. **Orchestrator → Sandbox**: Container spawn with env vars
diff --git a/docs/development/STRUCTURE.md b/docs/development/STRUCTURE.md
index bcdebaba4f..eebbd4ead9 100644
--- a/docs/development/STRUCTURE.md
+++ b/docs/development/STRUCTURE.md
@@ -129,10 +129,12 @@ sandbox/
 │   ├── egg-contract        # Symlink to contract_cli.py
 │   ├── egg-checkpoint      # Symlink to checkpoint_cli.py
 │   ├── egg-pipeline-watch  # Real-time pipeline progress viewer via SSE
+│   ├── egg-orch            # Symlink to orch_cli.py
 │   └── git-credential-github-token
 ├── egg_lib/                # Container utility libraries
 │   ├── contract_cli.py     # SDLC contract CLI implementation
-│   └── checkpoint_cli.py   # Checkpoint browsing CLI wrapper
+│   ├── checkpoint_cli.py   # Checkpoint browsing CLI wrapper
+│   └── orch_cli.py         # Orchestrator API CLI implementation
 ├── llm/                    # Claude Code / Agent SDK integration
 ├── tools/                  # Interactive tools
 │   ├── discover-tests.py   # Test framework discovery