diff --git a/packages/cli/LICENSE b/packages/cli/LICENSE
new file mode 100644
index 0000000..c5247b7
--- /dev/null
+++ b/packages/cli/LICENSE
@@ -0,0 +1,15 @@
+ISC License
+
+Copyright (c) 2026 Mathieu Colmon
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 1067494..0e5c0a1 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -3,7 +3,6 @@
   "version": "4.0.0-alpha.0",
   "description": "Agent-first Miakapp command line: check, build, publish, activate and roll back home components",
   "type": "module",
-  "private": true,
   "engines": {
     "bun": ">=1.2.23",
     "node": ">=22.9"
@@ -31,8 +30,7 @@
     "directory": "packages/cli"
   },
   "publishConfig": {
-    "access": "public",
-    "tag": "next"
+    "access": "public"
   },
   "keywords": [
     "Miakapp",
diff --git a/packages/cli/src/agent-pack.ts b/packages/cli/src/agent-pack.ts
index bebb578..4663196 100644
--- a/packages/cli/src/agent-pack.ts
+++ b/packages/cli/src/agent-pack.ts
@@ -18,6 +18,7 @@
  * Bytes outside those regions are copied through untouched.
  */
 import { projectError } from './errors.js';
+import { CLI_VERSION, PACKAGE_NAME } from './version.js';
 
 /** Directory the pack owns inside the owner's repository. */
 export const PACK_DIRECTORY = '.miakapp';
@@ -163,15 +164,23 @@ export function mergeInstructions(existing: string | undefined, block: string):
 /**
  * The server entry, as a client expects to find it.
  *
- * `command` is the bare binary name: the pack is written into a repository that
- * may be opened on another machine, where an absolute path from this one would
- * resolve to nothing.
+ * An absolute path is wrong: the pack is written into a repository that may be
+ * opened on another machine, where a path from this one resolves to nothing.
+ * The bare binary name is wrong for the same reason in reverse — it assumes a
+ * global install nobody performed, so the server simply fails to start in the
+ * repository the pack was meant to equip. Both were observed: a rehearsal in a
+ * fresh repository found `command: "miakapp"` unresolvable.
+ *
+ * `npx` resolves the published package on any machine with Node, installing it
+ * on first use. The version is pinned rather than floating because the guide
+ * written beside this file is the guide of *this* release: a floating spec
+ * would pair one release's prose with another release's tool surface.
  */
 export function serverEntry(): Record<string, unknown> {
   return {
     type: 'stdio',
-    command: SERVER_NAME,
-    args: ['mcp'],
+    command: 'npx',
+    args: ['-y', `${PACKAGE_NAME}@${CLI_VERSION}`, 'mcp'],
   };
 }
 
diff --git a/packages/cli/src/main.ts b/packages/cli/src/main.ts
index 758b58d..c3babd5 100644
--- a/packages/cli/src/main.ts
+++ b/packages/cli/src/main.ts
@@ -15,6 +15,7 @@
  * - `--json`, which prints exactly one closed object on stdout.
  */
 import { installPack } from './agent-pack.js';
+import { CLI_VERSION } from './version.js';
 import { prepareArtifact, type Artifact } from './artifact.js';
 import { exchangePublisherToken, fetchDiscovery } from './control-plane.js';
 import { discoverFlows, inventoryJson, type Inventory } from './discovery.js';
@@ -38,7 +39,7 @@ import {
   type PublicationTarget,
 } from './publication.js';
 
-export const CLI_VERSION = '4.0.0-alpha.0';
+export { CLI_VERSION };
 
 /**
  * The Home Key is read from the environment only. A secret passed as an
diff --git a/packages/cli/src/version.ts b/packages/cli/src/version.ts
new file mode 100644
index 0000000..f6d7b13
--- /dev/null
+++ b/packages/cli/src/version.ts
@@ -0,0 +1,15 @@
+/**
+ * The package's own identity, in one place.
+ *
+ * `main.ts` imports `agent-pack.ts`, so the constants cannot live in `main.ts`
+ * without a cycle: the pack needs them to write a runnable MCP entry.
+ *
+ * Both values are duplicates of `package.json`, which cannot be imported here
+ * without a JSON import assertion the build does not emit. `test/version.test.ts`
+ * compares them to the manifest, because the drift is not cosmetic: the pack
+ * writes `PACKAGE_NAME@CLI_VERSION` into a repository, and a stale version
+ * would resolve a different release than the guide shipped beside it.
+ */
+export const PACKAGE_NAME = '@miakapp/cli';
+
+export const CLI_VERSION = '4.0.0-alpha.0';
diff --git a/packages/cli/test/agent-pack.test.ts b/packages/cli/test/agent-pack.test.ts
index c1d98ea..82ed261 100644
--- a/packages/cli/test/agent-pack.test.ts
+++ b/packages/cli/test/agent-pack.test.ts
@@ -16,6 +16,7 @@ import {
 import { EXIT_CODE } from '../src/errors.js';
 import { guideAssetPath, run } from '../src/main.js';
 import { TOOLS, buildArgv } from '../src/mcp.js';
+import { CLI_VERSION, PACKAGE_NAME } from '../src/version.js';
 import { MemoryFiles, PROJECT_ROOT, testHost } from './support/host.js';
 
 const GUIDE_TEXT = '# Building a Miakapp home\n\nThe packaged guide.\n';
@@ -57,11 +58,21 @@ describe('the pack installs into an empty repository', () => {
     expect(config(files)['mcpServers'][SERVER_NAME]).toEqual(serverEntry());
   });
 
-  test('the server is launched by bare name, so the repository is portable', () => {
+  // This assertion used to require the bare binary name, on the reasoning that
+  // a name travels between machines and a path does not. The reasoning held;
+  // the conclusion did not. Rehearsed in a fresh repository, `command:
+  // "miakapp"` names a binary nobody installed, so the server never starts.
+  // Portability is still the property under test — it now has to be satisfied
+  // by something the repository can actually run.
+  test('the server is launched by something a fresh repository can run', () => {
     const entry = serverEntry();
-    expect(entry['command']).toBe(SERVER_NAME);
-    expect(entry['args']).toEqual(['mcp']);
-    expect(JSON.stringify(entry)).not.toContain('/');
+    expect(entry['command']).toBe('npx');
+    expect(entry['args']).toEqual(['-y', `${PACKAGE_NAME}@${CLI_VERSION}`, 'mcp']);
+    expect(entry['args']).not.toContain(PROJECT_ROOT);
+  });
+
+  test('the entry is keyed by the server name, whatever launches it', () => {
+    expect(Object.keys({ [SERVER_NAME]: serverEntry() })).toEqual([SERVER_NAME]);
   });
 
   test('it installs where --dir points, not where the process happens to be', async () => {
diff --git a/packages/cli/test/version.test.ts b/packages/cli/test/version.test.ts
new file mode 100644
index 0000000..ea805bf
--- /dev/null
+++ b/packages/cli/test/version.test.ts
@@ -0,0 +1,48 @@
+import { describe, expect, test } from 'bun:test';
+
+import { CLI_VERSION, PACKAGE_NAME } from '../src/version.js';
+import { serverEntry } from '../src/agent-pack.js';
+
+const manifest = (await Bun.file(new URL('../package.json', import.meta.url)).json()) as {
+  name: string;
+  version: string;
+};
+
+describe('package identity', () => {
+  // These two constants are a hand-kept duplicate of the manifest. That is
+  // tolerable only while something compares them: `agent-pack` writes
+  // `name@version` into someone else's repository, so a stale constant
+  // silently pins a release that is not the one shipping the guide next to it.
+  test('CLI_VERSION matches the published manifest version', () => {
+    expect(CLI_VERSION).toBe(manifest.version);
+  });
+
+  test('PACKAGE_NAME matches the published manifest name', () => {
+    expect(PACKAGE_NAME).toBe(manifest.name);
+  });
+});
+
+describe('the MCP entry the pack installs', () => {
+  // A fresh owner repository has no globally installed `miakapp`; the entry has
+  // to bring its own tool. This asserts the property, not the spelling.
+  test('names no bare binary that a fresh repository would lack', () => {
+    const entry = serverEntry();
+    expect(entry['command']).not.toBe('miakapp');
+  });
+
+  test('resolves the exact published release through npx', () => {
+    expect(serverEntry()).toEqual({
+      type: 'stdio',
+      command: 'npx',
+      args: ['-y', `${manifest.name}@${manifest.version}`, 'mcp'],
+    });
+  });
+
+  test('carries no absolute path from the machine that wrote it', () => {
+    const entry = serverEntry();
+    const words = [entry['command'] as string, ...(entry['args'] as string[])];
+    for (const word of words) {
+      expect(word.startsWith('/')).toBe(false);
+    }
+  });
+});
diff --git a/packages/component/LICENSE b/packages/component/LICENSE
new file mode 100644
index 0000000..c5247b7
--- /dev/null
+++ b/packages/component/LICENSE
@@ -0,0 +1,15 @@
+ISC License
+
+Copyright (c) 2026 Mathieu Colmon
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/packages/component/package.json b/packages/component/package.json
index d5caa43..346162a 100644
--- a/packages/component/package.json
+++ b/packages/component/package.json
@@ -3,7 +3,6 @@
   "version": "4.0.0-alpha.0",
   "description": "Guest SDK for Miakapp home components: semantic UI, granted state, calls and events inside the sandboxed Worker",
   "type": "module",
-  "private": true,
   "engines": {
     "bun": ">=1.2.23",
     "node": ">=22.9"
@@ -32,8 +31,7 @@
     "directory": "packages/component"
   },
   "publishConfig": {
-    "access": "public",
-    "tag": "next"
+    "access": "public"
   },
   "keywords": [
     "Miakapp",