diff --git a/README.md b/README.md
index aa3e1e6..282154d 100644
--- a/README.md
+++ b/README.md
@@ -490,6 +490,8 @@ COMA is part of the `ellmos-ai` orchestration architecture and the broader `open
 | **Agent Bootstrap** | [`dev-bricks/safe-start-for-codex`](https://github.com/dev-bricks/safe-start-for-codex) | Safe startup, environment checks & preflight diagnostics |
 | **Umbrella Ecosystem** | [`open-bricks`](https://github.com/open-bricks) | Open-source foundation for local-first developer tools |
 
+- [Swarm AI](https://github.com/ellmos-ai/swarm_ai) optionally uses COMA's Spawner and adapter APIs for provider-backed workflows.
+
 ---
 
 <a id="sec-16"></a>
diff --git a/README_de.md b/README_de.md
index 5bd98cf..7ed0a83 100644
--- a/README_de.md
+++ b/README_de.md
@@ -487,6 +487,8 @@ COMA ist integraler Bestandteil der `ellmos-ai`-Architektur und des `open-bricks
 | **Agenten-Bootstrap** | [`dev-bricks/safe-start-for-codex`](https://github.com/dev-bricks/safe-start-for-codex) | Sicherer Start, Umgebungsprüfungen & Preflight-Diagnostik |
 | **Dach-Ökosystem** | [`open-bricks`](https://github.com/open-bricks) | Open-Source-Fundament für lokale Entwicklerwerkzeuge |
 
+- [Swarm AI](https://github.com/ellmos-ai/swarm_ai) nutzt COMAs Spawner- und Adapter-APIs optional für anbieterbasierte Workflows.
+
 ---
 
 <a id="sec-16"></a>
diff --git a/llms.txt b/llms.txt
index a2a5dc5..1a31ec1 100644
--- a/llms.txt
+++ b/llms.txt
@@ -113,6 +113,7 @@ coma check .\coma-vendor.json
 
 - [`README.md`](README.md): Primary documentation and 18-point quick navigation.
 - [`README_de.md`](README_de.md): German documentation and architecture overview.
+- [Swarm AI](https://github.com/ellmos-ai/swarm_ai): Optional consumer of COMA's Spawner and adapter APIs for provider-backed workflows.
 - [`NOTICE`](NOTICE): Formal copyright attribution (Lukas Geiger / ellmos-ai / open-bricks).
 - [`KONZEPT.md`](KONZEPT.md): Architectural rationale, session-decoupling motivation, and offline design.
 - [`SECURITY.md`](SECURITY.md): Process isolation, single-writer protocol boundaries, and 48h vulnerability reporting SLA.
diff --git a/tests/test_session.py b/tests/test_session.py
index f1965ce..d0fbbf8 100644
--- a/tests/test_session.py
+++ b/tests/test_session.py
@@ -126,10 +126,44 @@ def test_probe_accepts_token_from_bounded_fake_process(tmp_path):
     assert probe(command, 5, cwd=tmp_path) == (True, f"{PROBE_TOKEN} erkannt")
 
 
-def test_cli_session_dry_run_never_starts_provider(prompt_file, tmp_path, capsys):
+def test_cli_session_dry_run_never_starts_provider(
+    prompt_file, tmp_path, capsys, monkeypatch
+):
+    monkeypatch.setattr(
+        "coma.session.shutil.which",
+        lambda provider: "codex-test" if provider == "codex" else None,
+    )
+
+    def fail_if_started(*args, **kwargs):
+        pytest.fail("dry-run darf keinen Provider-Prozess starten")
+
+    monkeypatch.setattr("coma.cli.subprocess.run", fail_if_started)
+    monkeypatch.setattr("coma.cli.subprocess.Popen", fail_if_started)
     code = main([
         "session", "--provider", "codex", "--prompt-file", str(prompt_file),
         "--request", "Nur planen.", "--cwd", str(tmp_path), "--dry-run",
     ])
     assert code == 0
-    assert "Nur planen." in capsys.readouterr().out
+    output = capsys.readouterr().out
+    assert output.startswith("codex-test ")
+    assert "Nur planen." in output
+
+
+def test_cli_session_dry_run_reports_missing_cli_without_starting(
+    prompt_file, tmp_path, capsys, monkeypatch
+):
+    monkeypatch.setattr("coma.session.shutil.which", lambda _provider: None)
+
+    def fail_if_started(*args, **kwargs):
+        pytest.fail("fehlende Provider-CLI darf keinen Prozessstart auslösen")
+
+    monkeypatch.setattr("coma.cli.subprocess.run", fail_if_started)
+    monkeypatch.setattr("coma.cli.subprocess.Popen", fail_if_started)
+    code = main([
+        "session", "--provider", "codex", "--prompt-file", str(prompt_file),
+        "--request", "Nur planen.", "--cwd", str(tmp_path), "--dry-run",
+    ])
+    captured = capsys.readouterr()
+    assert code == 2
+    assert "Provider 'codex' wurde nicht gefunden" in captured.err
+    assert captured.out == ""
diff --git a/tests/test_skeleton_adapters.py b/tests/test_skeleton_adapters.py
index c2c9845..0aa7747 100644
--- a/tests/test_skeleton_adapters.py
+++ b/tests/test_skeleton_adapters.py
@@ -5,6 +5,8 @@
 dass sie die dokumentierte Aufrufkonvention korrekt zusammenbauen — und dass die
 Sicherung greift, die sie von einem unbeaufsichtigten Lauf trennt.
 """
+import os
+
 import pytest
 
 from coma import Spawner, UnverifiedAdapterError
@@ -66,13 +68,43 @@ def test_claude_needs_no_opt_in(self, monkeypatch, fake_run):
 
 
 class TestCodex:
-    def test_uses_native_exec_via_windows_node_entrypoint(self):
-        cmd = CodexAdapter().build_cmd("Mach was")
+    def test_windows_node_entrypoint_contract(self):
+        entrypoint = (
+            r"C:\fixture\node_modules\@openai\codex\bin\codex.js"
+        )
+        cmd = CodexAdapter(
+            executable="node", entrypoint=entrypoint
+        ).build_cmd("Mach was")
         assert cmd[0] == "node"
         assert "@openai/codex/bin/codex.js" in cmd[1].replace("\\", "/")
         assert cmd[2] == "exec"
         assert cmd[-1] == "Mach was"
 
+    def test_native_executable_contract_has_no_node_entrypoint(self):
+        cmd = CodexAdapter(executable="codex").build_cmd(
+            "Mach was", entrypoint=None
+        )
+        assert cmd == [
+            "codex", "exec", "--sandbox", "read-only",
+            "--skip-git-repo-check", "--ephemeral", "Mach was",
+        ]
+
+    def test_host_default_launcher_matches_platform(self):
+        adapter = CodexAdapter()
+        cmd = adapter.build_cmd("Mach was")
+        if os.name == "nt":
+            assert adapter.executable == "node"
+            assert adapter.entrypoint is not None
+            assert "@openai/codex/bin/codex.js" in str(adapter.entrypoint).replace(
+                "\\", "/"
+            )
+            assert cmd[0] == "node"
+            assert cmd[2] == "exec"
+        else:
+            assert adapter.executable == "codex"
+            assert adapter.entrypoint is None
+            assert cmd[0:2] == ["codex", "exec"]
+
     def test_read_only_by_default(self):
         cmd = CodexAdapter().build_cmd("Mach was")
         assert cmd[cmd.index("--sandbox") + 1] == "read-only"
@@ -138,10 +170,38 @@ def test_prompt_directly_after_p(self):
         index = cmd.index("-p")
         assert cmd[index:index + 2] == ["-p", "mach was"]
 
-    def test_windows_uses_node_entrypoint(self):
-        cmd = KimiAdapter().build_cmd("mach was")
+    def test_windows_node_entrypoint_contract(self):
+        entrypoint = (
+            r"C:\fixture\node_modules\@moonshot-ai\kimi-code\dist\main.mjs"
+        )
+        cmd = KimiAdapter(
+            executable="node", entrypoint=entrypoint
+        ).build_cmd("mach was")
         assert cmd[0] == "node"
         assert "@moonshot-ai/kimi-code" in cmd[1].replace("\\", "/")
+        assert cmd[2:] == ["-p", "mach was"]
+
+    def test_native_executable_contract_has_no_node_entrypoint(self):
+        cmd = KimiAdapter(executable="kimi").build_cmd(
+            "mach was", entrypoint=None
+        )
+        assert cmd == ["kimi", "-p", "mach was"]
+
+    def test_host_default_launcher_matches_platform(self):
+        adapter = KimiAdapter()
+        cmd = adapter.build_cmd("mach was")
+        if os.name == "nt":
+            assert adapter.executable == "node"
+            assert adapter.entrypoint is not None
+            assert "@moonshot-ai/kimi-code" in str(adapter.entrypoint).replace(
+                "\\", "/"
+            )
+            assert cmd[0] == "node"
+            assert cmd[2:] == ["-p", "mach was"]
+        else:
+            assert adapter.executable == "kimi"
+            assert adapter.entrypoint is None
+            assert cmd == ["kimi", "-p", "mach was"]
 
     @pytest.mark.parametrize("flag", ["-y", "--yolo", "--auto"])
     def test_incompatible_flags_are_refused(self, flag):