diff --git a/schema.graphql b/schema.graphql
index 443d4ed..5184ce9 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -38,6 +38,7 @@ type Environment {
   packages: [Package!]!
   state: State
   tags: [String!]!
+  hidden: Boolean!
   requested: DateTime
   buildStart: DateTime
   buildDone: DateTime
@@ -72,6 +73,12 @@ type Group {
   name: String!
 }
 
+union HiddenResponse = HiddenSuccess | InvalidInputError | EnvironmentNotFoundError
+
+type HiddenSuccess implements Success {
+  message: String!
+}
+
 type InvalidInputError implements Error {
   message: String!
 }
@@ -95,6 +102,7 @@ type SchemaMutation {
   createEnvironment(env: EnvironmentInput!): CreateResponse!
   deleteEnvironment(name: String!, path: String!): DeleteResponse!
   addTag(name: String!, path: String!, tag: String!): AddTagResponse!
+  setHidden(name: String!, path: String!, hidden: Boolean!): HiddenResponse!
   createFromModule(file: Upload!, modulePath: String!, environmentPath: String!): CreateResponse!
   updateFromModule(file: Upload!, modulePath: String!, environmentPath: String!): UpdateResponse!
 }
diff --git a/softpack_core/artifacts.py b/softpack_core/artifacts.py
index ab2558c..96fae0d 100644
--- a/softpack_core/artifacts.py
+++ b/softpack_core/artifacts.py
@@ -156,12 +156,27 @@ def spec(self) -> Box:
                 map(lambda p: Package.from_name(p), info.packages)
             )
 
+            metadata = self.metadata()
+
+            info["tags"] = getattr(metadata, "tags", [])
+            info["hidden"] = getattr(metadata, "hidden", False)
+            info["force_hidden"] = getattr(metadata, "force_hidden", False)
+
+            return info
+
+        def metadata(self) -> Box:
+            """Returns the metadata for an Environment.
+
+            Should contain keys:
+                - tags: list[string]
+                - hidden: boolean
+                - force_hidden: boolean
+            """
             meta = Box()
             if Artifacts.meta_file in self.obj:
                 meta = Box.from_yaml(self.obj[Artifacts.meta_file].data)
-            info["tags"] = getattr(meta, "tags", [])
 
-            return info
+            return meta
 
         def __iter__(self) -> Iterator["Artifacts.Object"]:
             """A generator for returning items under an artifacts.
diff --git a/softpack_core/schemas/environment.py b/softpack_core/schemas/environment.py
index 4421083..c25697e 100644
--- a/softpack_core/schemas/environment.py
+++ b/softpack_core/schemas/environment.py
@@ -17,6 +17,7 @@
 import starlette.datastructures
 import strawberry
 import yaml
+from box import Box
 from fastapi import UploadFile
 from strawberry.file_uploads import Upload
 
@@ -57,6 +58,11 @@ class AddTagSuccess(Success):
     """Successfully added tag to environment."""
 
 
+@strawberry.type
+class HiddenSuccess(Success):
+    """Successfully set hidden status on environment."""
+
+
 @strawberry.type
 class DeleteEnvironmentSuccess(Success):
     """Environment successfully deleted."""
@@ -124,6 +130,15 @@ class BuilderError(Error):
     ],
 )
 
+HiddenResponse = strawberry.union(
+    "HiddenResponse",
+    [
+        HiddenSuccess,
+        InvalidInputError,
+        EnvironmentNotFoundError,
+    ],
+)
+
 DeleteResponse = strawberry.union(
     "DeleteResponse",
     [
@@ -306,6 +321,7 @@ class Environment:
     packages: list[Package]
     state: Optional[State]
     tags: list[str]
+    hidden: bool
 
     requested: Optional[datetime.datetime] = None
     build_start: Optional[datetime.datetime] = None
@@ -364,6 +380,9 @@ def from_artifact(cls, obj: Artifacts.Object) -> Optional["Environment"]:
         """
         try:
             spec = obj.spec()
+            if spec.force_hidden:
+                return None
+
             return Environment(
                 id=obj.oid,
                 name=obj.name,
@@ -374,6 +393,7 @@ def from_artifact(cls, obj: Artifacts.Object) -> Optional["Environment"]:
                 readme=spec.get("readme", ""),
                 type=spec.get("type", ""),
                 tags=spec.tags,
+                hidden=spec.hidden,
             )
         except KeyError:
             return None
@@ -586,12 +606,63 @@ def add_tag(
             return AddTagSuccess(message="Tag already present")
         tags.add(tag)
 
-        metadata = yaml.dump({"tags": sorted(tags)})
+        metadata = cls.read_metadata(path, name)
+        metadata.tags = sorted(tags)
+
+        cls.store_metadata(environment_path, metadata)
+
+        return AddTagSuccess(message="Tag successfully added")
+
+    @classmethod
+    def read_metadata(cls, path: str, name: str) -> Box:
+        """Read an environments metadata.
+
+        This method returns the metadata for an environment with the given
+        path and name.
+        """
+        arts = artifacts.get(Path(path), name)
+
+        if arts is not None:
+            return arts.metadata()
+
+        return Box()
+
+    @classmethod
+    def store_metadata(cls, environment_path: Path, metadata: Box) -> None:
+        """Store an environments metadata.
+
+        This method writes the given metadata to the repo for the
+        environment path given.
+        """
         tree_oid = artifacts.create_file(
-            environment_path, artifacts.meta_file, metadata, overwrite=True
+            environment_path,
+            artifacts.meta_file,
+            metadata.to_yaml(),
+            overwrite=True,
         )
-        artifacts.commit_and_push(tree_oid, "create environment folder")
-        return AddTagSuccess(message="Tag successfully added")
+
+        artifacts.commit_and_push(tree_oid, "update metadata")
+
+    @classmethod
+    def set_hidden(
+        cls, name: str, path: str, hidden: bool
+    ) -> HiddenResponse:  # type: ignore
+        """This method sets the hidden status for the given environment."""
+        environment_path = Path(path, name)
+        response: Optional[Error] = cls.check_env_exists(environment_path)
+        if response is not None:
+            return response
+
+        metadata = cls.read_metadata(path, name)
+
+        if metadata.get("hidden") == hidden:
+            return HiddenSuccess(message="Hidden metadata already set")
+
+        metadata.hidden = hidden
+
+        cls.store_metadata(environment_path, metadata)
+
+        return HiddenSuccess(message="Hidden metadata set")
 
     @classmethod
     def delete(cls, name: str, path: str) -> DeleteResponse:  # type: ignore
@@ -847,6 +918,7 @@ class Mutation:
         createEnvironment: CreateResponse = Environment.create  # type: ignore
         deleteEnvironment: DeleteResponse = Environment.delete  # type: ignore
         addTag: AddTagResponse = Environment.add_tag  # type: ignore
+        setHidden: HiddenResponse = Environment.set_hidden  # type: ignore
         # writeArtifact: WriteArtifactResponse = (  # type: ignore
         #     Environment.write_artifact
         # )
diff --git a/tests/integration/test_environment.py b/tests/integration/test_environment.py
index ca00fc3..949ff4f 100644
--- a/tests/integration/test_environment.py
+++ b/tests/integration/test_environment.py
@@ -24,6 +24,7 @@
     EnvironmentAlreadyExistsError,
     EnvironmentInput,
     EnvironmentNotFoundError,
+    HiddenSuccess,
     InvalidInputError,
     Package,
     State,
@@ -553,3 +554,52 @@ def test_tagging(httpx_post, testable_env_input: EnvironmentInput) -> None:
 
     example_env = Environment.iter()[0]
     assert example_env.tags == ["second test", "test"]
+
+
+def test_hidden(httpx_post, testable_env_input: EnvironmentInput) -> None:
+    example_env = Environment.iter()[0]
+    assert not example_env.hidden
+    name, path = example_env.name, example_env.path
+
+    result = Environment.set_hidden(name, path, True)
+    assert isinstance(result, HiddenSuccess)
+    assert result.message == "Hidden metadata set"
+    example_env = Environment.iter()[0]
+    assert example_env.hidden
+
+    result = Environment.set_hidden(name, path, True)
+    assert isinstance(result, HiddenSuccess)
+    assert result.message == "Hidden metadata already set"
+    example_env = Environment.iter()[0]
+    assert example_env.hidden
+
+    result = Environment.set_hidden(name, path, False)
+    assert isinstance(result, HiddenSuccess)
+    assert result.message == "Hidden metadata set"
+    example_env = Environment.iter()[0]
+    assert not example_env.hidden
+
+    result = Environment.set_hidden(name, path, False)
+    assert isinstance(result, HiddenSuccess)
+    assert result.message == "Hidden metadata already set"
+    example_env = Environment.iter()[0]
+    assert not example_env.hidden
+
+    result = Environment.set_hidden(name, path, True)
+    assert isinstance(result, HiddenSuccess)
+    assert result.message == "Hidden metadata set"
+    example_env = Environment.iter()[0]
+    assert example_env.hidden
+
+
+def test_force_hidden(
+    httpx_post, testable_env_input: EnvironmentInput
+) -> None:
+    first_env = Environment.iter()[0]
+    metadata = Environment.read_metadata(first_env.path, first_env.name)
+    metadata.force_hidden = True
+    Environment.store_metadata(Path(first_env.path, first_env.name), metadata)
+
+    new_first = Environment.iter()[0]
+
+    assert first_env.path != new_first.path or first_env.name != new_first.name