diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..7c40dc3
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,20 @@
+MIT License
+
+Copyright 2024 the JSR authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
index 9f0dfae..80a466e 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ This ensures that the package is fetched from JSR when you run npm install comma
 
 - `add`, `install`, `i`: Adds a JSR package to your project.
 - `remove`, `uninstall`, `r`: Remove a JSR package from your project.
-- `publish`: _(Coming Soon)_ Will support publishing npm modules directly to JSR.
+- `publish`: Publish `package.json` libraries to JSR.
 
 ## Limitations
 
diff --git a/src/bin.ts b/src/bin.ts
index 509c5e8..98f8168 100644
--- a/src/bin.ts
+++ b/src/bin.ts
@@ -1,4 +1,5 @@
 #!/usr/bin/env node
+// Copyright 2024 the JSR authors. MIT license.
 import * as kl from "kolorist";
 import * as fs from "node:fs";
 import * as path from "node:path";
diff --git a/src/commands.ts b/src/commands.ts
index cad6821..3f7b61a 100644
--- a/src/commands.ts
+++ b/src/commands.ts
@@ -1,3 +1,4 @@
+// Copyright 2024 the JSR authors. MIT license.
 import * as path from "node:path";
 import * as fs from "node:fs";
 import * as kl from "kolorist";
diff --git a/src/download.ts b/src/download.ts
index 3f534c9..9f0f751 100644
--- a/src/download.ts
+++ b/src/download.ts
@@ -1,3 +1,4 @@
+// Copyright 2024 the JSR authors. MIT license.
 import * as os from "node:os";
 import * as fs from "node:fs";
 import * as path from "node:path";
diff --git a/src/index.ts b/src/index.ts
index bb52eb6..55efefa 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,4 @@
+// Copyright 2024 the JSR authors. MIT license.
 export {
   install,
   remove,
diff --git a/src/pkg_manager.ts b/src/pkg_manager.ts
index c7ba1d6..9f8d202 100644
--- a/src/pkg_manager.ts
+++ b/src/pkg_manager.ts
@@ -1,3 +1,4 @@
+// Copyright 2024 the JSR authors. MIT license.
 import { InstallOptions } from "./commands";
 import { JsrPackage, exec, findProjectDir } from "./utils";
 import * as kl from "kolorist";
diff --git a/src/utils.ts b/src/utils.ts
index 550995f..447c387 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,3 +1,4 @@
+// Copyright 2024 the JSR authors. MIT license.
 import * as path from "node:path";
 import * as fs from "node:fs";
 import { PkgManagerName } from "./pkg_manager";