diff --git a/.github/workflows/claude-review.yml b/.github/workflows/claude-review.yml
index 9f8f458..4294075 100644
--- a/.github/workflows/claude-review.yml
+++ b/.github/workflows/claude-review.yml
@@ -29,5 +29,6 @@ jobs:
             - Documentation consistency: Verify that README.md and other documentation files are updated to reflect any code changes (especially new inputs, features, or configuration options)
 
             Be constructive and specific in your feedback. Give inline comments where applicable.
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           allowed_tools: "mcp__github__create_pending_pull_request_review,mcp__github__add_pull_request_review_comment_to_pending_review,mcp__github__submit_pending_pull_request_review,mcp__github__get_pull_request_diff"
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 35d9fe3..6d32727 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -33,7 +33,8 @@ jobs:
         id: claude
         uses: anthropics/claude-code-action@beta
         with:
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           allowed_tools: "Bash(bun install),Bash(bun test:*),Bash(bun run format),Bash(bun typecheck)"
           custom_instructions: "You have also been granted tools for editing files and running bun commands (install, run, test, typecheck) for testing your changes: bun install, bun test, bun run format, bun typecheck."
           model: "claude-opus-4-20250514"
diff --git a/.github/workflows/issue-triage.yml b/.github/workflows/issue-triage.yml
index f664bdd..2fb9a04 100644
--- a/.github/workflows/issue-triage.yml
+++ b/.github/workflows/issue-triage.yml
@@ -103,4 +103,5 @@ jobs:
           allowed_tools: "Bash(gh label list),mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__update_issue,mcp__github__search_issues,mcp__github__list_issues"
           mcp_config: /tmp/mcp-config/mcp-servers.json
           timeout_minutes: "5"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
diff --git a/.github/workflows/test-base-action.yml b/.github/workflows/test-base-action.yml
index 9d60358..0d29cfd 100644
--- a/.github/workflows/test-base-action.yml
+++ b/.github/workflows/test-base-action.yml
@@ -23,7 +23,8 @@ jobs:
         uses: ./base-action
         with:
           prompt: ${{ github.event.inputs.test_prompt || 'List the files in the current directory starting with "package"' }}
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           allowed_tools: "LS,Read"
           timeout_minutes: "3"
 
@@ -81,7 +82,8 @@ jobs:
         uses: ./base-action
         with:
           prompt_file: "test-prompt.txt"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           allowed_tools: "LS,Read"
           timeout_minutes: "3"
 
diff --git a/.github/workflows/test-claude-env.yml b/.github/workflows/test-claude-env.yml
index 0f310be..a18aecd 100644
--- a/.github/workflows/test-claude-env.yml
+++ b/.github/workflows/test-claude-env.yml
@@ -19,7 +19,8 @@ jobs:
         with:
           prompt: |
             Use the Bash tool to run: echo "VAR1: $VAR1" && echo "VAR2: $VAR2"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           claude_env: |
             # This is a comment
             VAR1: value1
diff --git a/.github/workflows/test-custom-executables.yml b/.github/workflows/test-custom-executables.yml
index 2fd2fc0..c9506d1 100644
--- a/.github/workflows/test-custom-executables.yml
+++ b/.github/workflows/test-custom-executables.yml
@@ -49,7 +49,8 @@ jobs:
         with:
           prompt: |
             List the files in the current directory starting with "package"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           path_to_claude_code_executable: /home/runner/.local/bin/claude
           path_to_bun_executable: /home/runner/.bun/bin/bun
           allowed_tools: "LS,Read"
diff --git a/.github/workflows/test-mcp-servers.yml b/.github/workflows/test-mcp-servers.yml
index 46db1a7..118ff55 100644
--- a/.github/workflows/test-mcp-servers.yml
+++ b/.github/workflows/test-mcp-servers.yml
@@ -28,7 +28,8 @@ jobs:
         id: claude-test
         with:
           prompt: "List all available tools"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
         env:
           # Change to test directory so it finds .mcp.json
           CLAUDE_WORKING_DIR: ${{ github.workspace }}/base-action/test/mcp-test
@@ -109,7 +110,8 @@ jobs:
         id: claude-config-test
         with:
           prompt: "List all available tools"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           mcp_config: '{"mcpServers":{"test-server":{"type":"stdio","command":"bun","args":["simple-mcp-server.ts"],"env":{}}}}'
         env:
           # Change to test directory so bun can find the MCP server script
diff --git a/.github/workflows/test-settings.yml b/.github/workflows/test-settings.yml
index 2ee861e..ff90e47 100644
--- a/.github/workflows/test-settings.yml
+++ b/.github/workflows/test-settings.yml
@@ -19,7 +19,8 @@ jobs:
         with:
           prompt: |
             Use Bash to echo "Hello from settings test"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           settings: |
             {
               "permissions": {
@@ -69,7 +70,8 @@ jobs:
         with:
           prompt: |
             Use Bash to echo "This should not work"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           settings: |
             {
               "permissions": {
@@ -112,7 +114,8 @@ jobs:
         with:
           prompt: |
             Use Bash to echo "Hello from settings file test"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           settings: "test-settings.json"
           timeout_minutes: "2"
 
@@ -167,7 +170,8 @@ jobs:
         with:
           prompt: |
             Use Bash to echo "This should not work from file"
-          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY && secrets.ANTHROPIC_API_KEY || secrets.CLAUDE_CREDENTIALS }}
+          claude_code_oauth_token: ${{ secrets.CLAUDE_CREDENTIALS }}
           settings: "test-settings.json"
           timeout_minutes: "2"