diff --git a/tests/modules/programs/opencode/agents-inline.nix b/tests/modules/programs/opencode/agents-inline.nix
new file mode 100644
index 00000000..e077f20f
--- /dev/null
+++ b/tests/modules/programs/opencode/agents-inline.nix
@@ -0,0 +1,37 @@
+{
+  programs.opencode = {
+    enable = true;
+    agents = {
+      code-reviewer = ''
+        # Code Reviewer Agent
+
+        You are a senior software engineer specializing in code reviews.
+        Focus on code quality, security, and maintainability.
+
+        ## Guidelines
+        - Review for potential bugs and edge cases
+        - Check for security vulnerabilities
+        - Ensure code follows best practices
+        - Suggest improvements for readability and performance'';
+      documentation = ''
+        # Documentation Agent
+
+        You are a technical writer who creates clear, comprehensive documentation.
+        Focus on user-friendly explanations and examples.
+
+        ## Guidelines
+        - Write clear, concise documentation
+        - Include practical examples
+        - Use proper formatting and structure
+        - Consider the target audience'';
+    };
+  };
+  nmt.script = ''
+    assertFileExists home-files/.config/opencode/agent/code-reviewer.md
+    assertFileExists home-files/.config/opencode/agent/documentation.md
+    assertFileContent home-files/.config/opencode/agent/code-reviewer.md \
+      ${./code-reviewer-agent.md}
+    assertFileContent home-files/.config/opencode/agent/documentation.md \
+      ${./documentation-agent.md}
+  '';
+}
diff --git a/tests/modules/programs/opencode/agents-path.nix b/tests/modules/programs/opencode/agents-path.nix
new file mode 100644
index 00000000..a8317228
--- /dev/null
+++ b/tests/modules/programs/opencode/agents-path.nix
@@ -0,0 +1,13 @@
+{
+  programs.opencode = {
+    enable = true;
+    agents = {
+      test-agent = ./test-agent.md;
+    };
+  };
+  nmt.script = ''
+    assertFileExists home-files/.config/opencode/agent/test-agent.md
+    assertFileContent home-files/.config/opencode/agent/test-agent.md \
+      ${./test-agent.md}
+  '';
+}
diff --git a/tests/modules/programs/opencode/changelog-command.md b/tests/modules/programs/opencode/changelog-command.md
new file mode 100644
index 00000000..e7565670
--- /dev/null
+++ b/tests/modules/programs/opencode/changelog-command.md
@@ -0,0 +1,4 @@
+# Update Changelog Command
+
+Update CHANGELOG.md with a new entry for the specified version.
+Usage: /changelog [version] [change-type] [message]
\ No newline at end of file
diff --git a/tests/modules/programs/opencode/code-reviewer-agent.md b/tests/modules/programs/opencode/code-reviewer-agent.md
new file mode 100644
index 00000000..f9534035
--- /dev/null
+++ b/tests/modules/programs/opencode/code-reviewer-agent.md
@@ -0,0 +1,10 @@
+# Code Reviewer Agent
+
+You are a senior software engineer specializing in code reviews.
+Focus on code quality, security, and maintainability.
+
+## Guidelines
+- Review for potential bugs and edge cases
+- Check for security vulnerabilities
+- Ensure code follows best practices
+- Suggest improvements for readability and performance
\ No newline at end of file
diff --git a/tests/modules/programs/opencode/commands-inline.nix b/tests/modules/programs/opencode/commands-inline.nix
new file mode 100644
index 00000000..294f92bc
--- /dev/null
+++ b/tests/modules/programs/opencode/commands-inline.nix
@@ -0,0 +1,25 @@
+{
+  programs.opencode = {
+    enable = true;
+    commands = {
+      changelog = ''
+        # Update Changelog Command
+
+        Update CHANGELOG.md with a new entry for the specified version.
+        Usage: /changelog [version] [change-type] [message]'';
+      commit = ''
+        # Commit Command
+
+        Create a git commit with proper message formatting.
+        Usage: /commit [message]'';
+    };
+  };
+  nmt.script = ''
+    assertFileExists home-files/.config/opencode/command/changelog.md
+    assertFileExists home-files/.config/opencode/command/commit.md
+    assertFileContent home-files/.config/opencode/command/changelog.md \
+      ${./changelog-command.md}
+    assertFileContent home-files/.config/opencode/command/commit.md \
+      ${./commit-command.md}
+  '';
+}
diff --git a/tests/modules/programs/opencode/commands-path.nix b/tests/modules/programs/opencode/commands-path.nix
new file mode 100644
index 00000000..7b28a894
--- /dev/null
+++ b/tests/modules/programs/opencode/commands-path.nix
@@ -0,0 +1,13 @@
+{
+  programs.opencode = {
+    enable = true;
+    commands = {
+      test-command = ./test-command.md;
+    };
+  };
+  nmt.script = ''
+    assertFileExists home-files/.config/opencode/command/test-command.md
+    assertFileContent home-files/.config/opencode/command/test-command.md \
+      ${./test-command.md}
+  '';
+}
diff --git a/tests/modules/programs/opencode/commit-command.md b/tests/modules/programs/opencode/commit-command.md
new file mode 100644
index 00000000..04c7f13b
--- /dev/null
+++ b/tests/modules/programs/opencode/commit-command.md
@@ -0,0 +1,4 @@
+# Commit Command
+
+Create a git commit with proper message formatting.
+Usage: /commit [message]
\ No newline at end of file
diff --git a/tests/modules/programs/opencode/default.nix b/tests/modules/programs/opencode/default.nix
index 5c608485..7fa1eaad 100644
--- a/tests/modules/programs/opencode/default.nix
+++ b/tests/modules/programs/opencode/default.nix
@@ -3,4 +3,9 @@
   opencode-empty-settings = ./empty-settings.nix;
   opencode-rules = ./rules.nix;
   opencode-empty-rules = ./empty-rules.nix;
+  opencode-agents-inline = ./agents-inline.nix;
+  opencode-commands-inline = ./commands-inline.nix;
+  opencode-agents-path = ./agents-path.nix;
+  opencode-commands-path = ./commands-path.nix;
+  opencode-mixed-content = ./mixed-content.nix;
 }
diff --git a/tests/modules/programs/opencode/documentation-agent.md b/tests/modules/programs/opencode/documentation-agent.md
new file mode 100644
index 00000000..f76305eb
--- /dev/null
+++ b/tests/modules/programs/opencode/documentation-agent.md
@@ -0,0 +1,10 @@
+# Documentation Agent
+
+You are a technical writer who creates clear, comprehensive documentation.
+Focus on user-friendly explanations and examples.
+
+## Guidelines
+- Write clear, concise documentation
+- Include practical examples
+- Use proper formatting and structure
+- Consider the target audience
\ No newline at end of file
diff --git a/tests/modules/programs/opencode/mixed-content.nix b/tests/modules/programs/opencode/mixed-content.nix
new file mode 100644
index 00000000..ea7fecd9
--- /dev/null
+++ b/tests/modules/programs/opencode/mixed-content.nix
@@ -0,0 +1,30 @@
+{
+  programs.opencode = {
+    enable = true;
+    commands = {
+      inline-command = ''
+        # Inline Command
+        This command is defined inline.
+      '';
+      path-command = ./test-command.md;
+    };
+    agents = {
+      inline-agent = ''
+        # Inline Agent
+        This agent is defined inline.
+      '';
+      path-agent = ./test-agent.md;
+    };
+  };
+  nmt.script = ''
+    assertFileExists home-files/.config/opencode/command/inline-command.md
+    assertFileExists home-files/.config/opencode/command/path-command.md
+    assertFileExists home-files/.config/opencode/agent/inline-agent.md
+    assertFileExists home-files/.config/opencode/agent/path-agent.md
+
+    assertFileContent home-files/.config/opencode/command/path-command.md \
+      ${./test-command.md}
+    assertFileContent home-files/.config/opencode/agent/path-agent.md \
+      ${./test-agent.md}
+  '';
+}
diff --git a/tests/modules/programs/opencode/test-agent.md b/tests/modules/programs/opencode/test-agent.md
new file mode 100644
index 00000000..387a3ded
--- /dev/null
+++ b/tests/modules/programs/opencode/test-agent.md
@@ -0,0 +1,4 @@
+# Test Agent
+
+This is a test agent loaded from a file path.
+Used to verify path support functionality.
\ No newline at end of file
diff --git a/tests/modules/programs/opencode/test-command.md b/tests/modules/programs/opencode/test-command.md
new file mode 100644
index 00000000..ba203070
--- /dev/null
+++ b/tests/modules/programs/opencode/test-command.md
@@ -0,0 +1,5 @@
+# Test Command
+
+This is a test command loaded from a file path.
+Used to verify path support functionality.
+Usage: /test-command
\ No newline at end of file