Improve env vars for marvin (#1972)

Author: jlowin

.github/workflows/marvin-dedupe-issues.yml

@@ -81,9 +81,12 @@ jobs:
           prompt: ${{ steps.dedupe-prompt.outputs.PROMPT }}
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY_FOR_CI }}
           claude_args: |
-            --model claude-sonnet-4-5-20250929
             --allowedTools Bash(gh issue view:*),Bash(gh search:*),Bash(gh issue list:*),Bash(gh api:*),Bash(gh issue comment:*),Task
+            --mcp-config /tmp/mcp-config/mcp-servers.json
           settings: |
             {
-              "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
+              "model": "claude-sonnet-4-5-20250929",
+              "env": {
+                "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
+              }
             }

.github/workflows/marvin-label-triage.yml

@@ -24,7 +24,6 @@ jobs:
       contents: read
       issues: write
       pull-requests: write
-      id-token: write
 
     steps:
       - name: Checkout base repository
@@ -124,30 +123,6 @@ jobs:
           PROMPT_END
           EOF
 
-      - name: Setup GitHub MCP Server
-        run: |
-          mkdir -p /tmp/mcp-config
-          cat > /tmp/mcp-config/mcp-servers.json << 'EOF'
-          {
-            "mcpServers": {
-              "github": {
-                "command": "docker",
-                "args": [
-                  "run",
-                  "-i",
-                  "--rm",
-                  "-e",
-                  "GITHUB_PERSONAL_ACCESS_TOKEN",
-                  "ghcr.io/github/github-mcp-server:sha-7aced2b"
-                ],
-                "env": {
-                  "GITHUB_PERSONAL_ACCESS_TOKEN": "${{ steps.marvin-token.outputs.token }}"
-                }
-              }
-            }
-          }
-          EOF
-
       - name: Run Marvin for Issue Triage
         uses: anthropics/claude-code-action@v1
         with:
@@ -156,10 +131,12 @@ jobs:
           prompt: ${{ steps.triage-prompt.outputs.PROMPT }}
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY_FOR_CI }}
           claude_args: |
-            --model claude-sonnet-4-5-20250929
             --allowedTools Bash(gh label list),mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__update_issue,mcp__github__get_pull_request_files
             --mcp-config /tmp/mcp-config/mcp-servers.json
           settings: |
             {
-              "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
+              "model": "claude-sonnet-4-5-20250929",
+              "env": {
+                "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
+              }
             }

.github/workflows/marvin.yml

@@ -66,7 +66,13 @@ jobs:
           trigger_phrase: "/marvin"
           allowed_bots: "*"
           claude_args: |
-            --model claude-sonnet-4-5-20250929
             --allowedTools WebSearch,WebFetch,Bash(uv:*),Bash(pre-commit:*),Bash(pytest:*),Bash(ruff:*),Bash(ty:*),Bash(git:*),Bash(gh:*),mcp__github__add_issue_comment,mcp__github__create_issue,mcp__github__get_issue,mcp__github__list_issues,mcp__github__search_issues,mcp__github__update_issue,mcp__github__update_issue_comment,mcp__github__create_pull_request,mcp__github__get_pull_request,mcp__github__get_pull_request_comments,mcp__github__get_pull_request_files,mcp__github__get_pull_request_reviews,mcp__github__get_pull_request_status,mcp__github__list_pull_requests,mcp__github__update_pull_request,mcp__github__update_pull_request_branch,mcp__github__update_pull_request_comment,mcp__github__merge_pull_request
           additional_permissions: |
             actions: read
+          settings: |
+            {
+              "model": "claude-sonnet-4-5-20250929",
+              "env": {
+                "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
+              }
+            }