feat: Add CSV output format for default list tools under insiders mode

.github/workflows/mcp-diff.yml

@@ -19,32 +19,35 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
       - name: Build UI
         uses: ./.github/actions/build-ui
 
+      - name: Generate diff configurations
+        id: configs
+        # The generator imports pkg/github so any new entry in
+        # AllowedFeatureFlags is automatically diffed without touching this
+        # workflow. See script/print-mcp-diff-configs/main.go.
+        run: |
+          {
+            echo 'configurations<<MCP_DIFF_EOF'
+            go run ./script/print-mcp-diff-configs
+            echo 'MCP_DIFF_EOF'
+          } >> "$GITHUB_OUTPUT"
+
       - name: Run MCP Server Diff
         uses: SamMorrowDrums/mcp-server-diff@v2.3.5
         with:
-          setup_go: "true"
+          setup_go: "false"
           install_command: go mod download
           start_command: go run ./cmd/github-mcp-server stdio
           env_vars: |
             GITHUB_PERSONAL_ACCESS_TOKEN=test-token
-          configurations: |
-            [
-              {"name": "default", "args": ""},
-              {"name": "read-only", "args": "--read-only"},
-              {"name": "toolsets-repos", "args": "--toolsets=repos"},
-              {"name": "toolsets-issues", "args": "--toolsets=issues"},
-              {"name": "toolsets-context", "args": "--toolsets=context"},
-              {"name": "toolsets-pull_requests", "args": "--toolsets=pull_requests"},
-              {"name": "toolsets-repos,issues", "args": "--toolsets=repos,issues"},
-              {"name": "toolsets-issues,context", "args": "--toolsets=issues,context"},
-              {"name": "toolsets-all", "args": "--toolsets=all"},
-              {"name": "tools-get_me", "args": "--tools=get_me"},
-              {"name": "tools-get_me,list_issues", "args": "--tools=get_me,list_issues"},
-              {"name": "toolsets-repos+read-only", "args": "--toolsets=repos --read-only"}
-            ]
+          configurations: ${{ steps.configs.outputs.configurations }}
 
       - name: Add interpretation note
         if: always()
@@ -58,3 +61,51 @@ jobs:
           echo "- New tools/toolsets added" >> $GITHUB_STEP_SUMMARY
           echo "- Tool descriptions updated" >> $GITHUB_STEP_SUMMARY
           echo "- Capability changes (intentional improvements)" >> $GITHUB_STEP_SUMMARY
+
+  mcp-diff-http:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Build UI
+        uses: ./.github/actions/build-ui
+
+      - name: Generate diff configurations
+        id: configs
+        # See script/print-mcp-diff-configs/main.go. The http-headers variant
+        # points every config at a shared HTTP server started by the action
+        # and carries per-config settings via X-MCP-* headers, mirroring how
+        # the remote server is invoked in production (server-side defaults +
+        # per-user header overrides).
+        run: |
+          {
+            echo 'configurations<<MCP_DIFF_EOF'
+            go run ./script/print-mcp-diff-configs -transport http-headers
+            echo 'MCP_DIFF_EOF'
+          } >> "$GITHUB_OUTPUT"
+
+      - name: Run MCP Server Diff (streamable-http)
+        uses: SamMorrowDrums/mcp-server-diff@v2.3.5
+        with:
+          setup_go: "false"
+          install_command: go mod download
+          http_start_command: go run ./cmd/github-mcp-server http --port 8082
+          http_startup_wait_ms: "5000"
+          configurations: ${{ steps.configs.outputs.configurations }}
+
+      - name: Add interpretation note
+        if: always()
+        run: |
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "---" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "ℹ️ **Note:** This job exercises the streamable-http transport against a shared server, with per-config settings supplied via X-MCP-* request headers." >> $GITHUB_STEP_SUMMARY

README.md

@@ -829,6 +829,21 @@ The following sets of tools are available:
   - `owner`: Repository owner (string, required)
   - `repo`: Repository name (string, required)
 
+- **add_sub_issue** - Add Sub-Issue
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The parent issue number (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `replace_parent`: If true, reparent the sub-issue if it already has a parent (boolean, optional)
+  - `repo`: Repository name (string, required)
+  - `sub_issue_id`: The ID of the sub-issue to add. ID is not the same as issue number (number, required)
+
+- **create_issue** - Create Issue
+  - **Required OAuth Scopes**: `repo`
+  - `body`: Issue body content (optional) (string, optional)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+  - `title`: Issue title (string, required)
+
 - **get_label** - Get a specific label from a repository
   - **Required OAuth Scopes**: `repo`
   - `name`: Label name. (string, required)
@@ -894,6 +909,22 @@ The following sets of tools are available:
   - `since`: Filter by date (ISO 8601 timestamp) (string, optional)
   - `state`: Filter by state, by default both open and closed issues are returned when not provided (string, optional)
 
+- **remove_sub_issue** - Remove Sub-Issue
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The parent issue number (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+  - `sub_issue_id`: The ID of the sub-issue to remove. ID is not the same as issue number (number, required)
+
+- **reprioritize_sub_issue** - Reprioritize Sub-Issue
+  - **Required OAuth Scopes**: `repo`
+  - `after_id`: The ID of the sub-issue to place this after (either after_id OR before_id should be specified) (number, optional)
+  - `before_id`: The ID of the sub-issue to place this before (either after_id OR before_id should be specified) (number, optional)
+  - `issue_number`: The parent issue number (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+  - `sub_issue_id`: The ID of the sub-issue to reorder. ID is not the same as issue number (number, required)
+
 - **search_issues** - Search issues
   - **Required OAuth Scopes**: `repo`
   - `order`: Sort order (string, optional)
@@ -904,6 +935,13 @@ The following sets of tools are available:
   - `repo`: Optional repository name. If provided with owner, only issues for this repository are listed. (string, optional)
   - `sort`: Sort field by number of matches of categories, defaults to best match (string, optional)
 
+- **set_issue_fields** - Set Issue Fields
+  - **Required OAuth Scopes**: `repo`
+  - `fields`: Array of issue field values to set. Each element must have a 'field_id' (string, the GraphQL node ID of the field) and exactly one value field: 'text_value' for text fields, 'number_value' for number fields, 'date_value' (ISO 8601 date string) for date fields, or 'single_select_option_id' (the GraphQL node ID of the option) for single select fields. Set 'delete' to true to remove a field value. (object[], required)
+  - `issue_number`: The issue number to update (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+
 - **sub_issue_write** - Change sub-issue
   - **Required OAuth Scopes**: `repo`
   - `after_id`: The ID of the sub-issue to be prioritized after (either after_id OR before_id should be specified) (number, optional)
@@ -920,6 +958,57 @@ The following sets of tools are available:
   - `repo`: Repository name (string, required)
   - `sub_issue_id`: The ID of the sub-issue to add. ID is not the same as issue number (number, required)
 
+- **update_issue_assignees** - Update Issue Assignees
+  - **Required OAuth Scopes**: `repo`
+  - `assignees`: GitHub usernames to assign to this issue (string[], required)
+  - `issue_number`: The issue number to update (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+
+- **update_issue_body** - Update Issue Body
+  - **Required OAuth Scopes**: `repo`
+  - `body`: The new body content for the issue (string, required)
+  - `issue_number`: The issue number to update (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+
+- **update_issue_labels** - Update Issue Labels
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The issue number to update (number, required)
+  - `labels`: Labels to apply to this issue. ([], required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+
+- **update_issue_milestone** - Update Issue Milestone
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The issue number to update (number, required)
+  - `milestone`: The milestone number to set on the issue (integer, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+
+- **update_issue_state** - Update Issue State
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The issue number to update (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+  - `state`: The new state for the issue (string, required)
+  - `state_reason`: The reason for the state change (only for closed state) (string, optional)
+
+- **update_issue_title** - Update Issue Title
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The issue number to update (number, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `repo`: Repository name (string, required)
+  - `title`: The new title for the issue (string, required)
+
+- **update_issue_type** - Update Issue Type
+  - **Required OAuth Scopes**: `repo`
+  - `issue_number`: The issue number to update (number, required)
+  - `issue_type`: The issue type to set (string, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `rationale`: One concise sentence explaining what specifically about the issue led you to choose this type. State the concrete signal (e.g. 'Reports a crash when saving' → bug, 'Asks for dark mode support' → feature). (string, optional)
+  - `repo`: Repository name (string, required)
+
 </details>
 
 <details>
@@ -1072,6 +1161,19 @@ The following sets of tools are available:
   - `startSide`: For multi-line comments, the starting side of the diff that the comment applies to. LEFT indicates the previous state, RIGHT indicates the new state (string, optional)
   - `subjectType`: The level at which the comment is targeted (string, required)
 
+- **add_pull_request_review_comment** - Add Pull Request Review Comment
+  - **Required OAuth Scopes**: `repo`
+  - `body`: The comment body (string, required)
+  - `line`: The line number in the diff to comment on (optional) (number, optional)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `path`: The relative path of the file to comment on (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+  - `side`: The side of the diff to comment on (optional) (string, optional)
+  - `startLine`: The start line of a multi-line comment (optional) (number, optional)
+  - `startSide`: The start side of a multi-line comment (optional) (string, optional)
+  - `subjectType`: The subject type of the comment (string, required)
+
 - **add_reply_to_pull_request_comment** - Add reply to pull request comment
   - **Required OAuth Scopes**: `repo`
   - `body`: The text of the reply (string, required)
@@ -1091,6 +1193,21 @@ The following sets of tools are available:
   - `repo`: Repository name (string, required)
   - `title`: PR title (string, required)
 
+- **create_pull_request_review** - Create Pull Request Review
+  - **Required OAuth Scopes**: `repo`
+  - `body`: The review body text (optional) (string, optional)
+  - `commitID`: The SHA of the commit to review (optional, defaults to latest) (string, optional)
+  - `event`: The review action to perform. If omitted, creates a pending review. (string, optional)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+
+- **delete_pending_pull_request_review** - Delete Pending Pull Request Review
+  - **Required OAuth Scopes**: `repo`
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+
 - **list_pull_requests** - List pull requests
   - **Required OAuth Scopes**: `repo`
   - `base`: Filter by base branch (string, optional)
@@ -1143,6 +1260,17 @@ The following sets of tools are available:
   - `repo`: Repository name (string, required)
   - `threadId`: The node ID of the review thread (e.g., PRRT_kwDOxxx). Required for resolve_thread and unresolve_thread methods. Get thread IDs from pull_request_read with method get_review_comments. (string, optional)
 
+- **request_pull_request_reviewers** - Request Pull Request Reviewers
+  - **Required OAuth Scopes**: `repo`
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+  - `reviewers`: GitHub usernames to request reviews from (string[], required)
+
+- **resolve_review_thread** - Resolve Review Thread
+  - **Required OAuth Scopes**: `repo`
+  - `threadID`: The node ID of the review thread to resolve (e.g., PRRT_kwDOxxx) (string, required)
+
 - **search_pull_requests** - Search pull requests
   - **Required OAuth Scopes**: `repo`
   - `order`: Sort order (string, optional)
@@ -1153,6 +1281,18 @@ The following sets of tools are available:
   - `repo`: Optional repository name. If provided with owner, only pull requests for this repository are listed. (string, optional)
   - `sort`: Sort field by number of matches of categories, defaults to best match (string, optional)
 
+- **submit_pending_pull_request_review** - Submit Pending Pull Request Review
+  - **Required OAuth Scopes**: `repo`
+  - `body`: The review body text (optional) (string, optional)
+  - `event`: The review action to perform (string, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+
+- **unresolve_review_thread** - Unresolve Review Thread
+  - **Required OAuth Scopes**: `repo`
+  - `threadID`: The node ID of the review thread to unresolve (e.g., PRRT_kwDOxxx) (string, required)
+
 - **update_pull_request** - Edit pull request
   - **Required OAuth Scopes**: `repo`
   - `base`: New base branch name (string, optional)
@@ -1166,13 +1306,41 @@ The following sets of tools are available:
   - `state`: New state (string, optional)
   - `title`: New title (string, optional)
 
+- **update_pull_request_body** - Update Pull Request Body
+  - **Required OAuth Scopes**: `repo`
+  - `body`: The new body content for the pull request (string, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+
 - **update_pull_request_branch** - Update pull request branch
   - **Required OAuth Scopes**: `repo`
   - `expectedHeadSha`: The expected SHA of the pull request's HEAD ref (string, optional)
   - `owner`: Repository owner (string, required)
   - `pullNumber`: Pull request number (number, required)
   - `repo`: Repository name (string, required)
 
+- **update_pull_request_draft_state** - Update Pull Request Draft State
+  - **Required OAuth Scopes**: `repo`
+  - `draft`: Set to true to convert to draft, false to mark as ready for review (boolean, required)
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+
+- **update_pull_request_state** - Update Pull Request State
+  - **Required OAuth Scopes**: `repo`
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+  - `state`: The new state for the pull request (string, required)
+
+- **update_pull_request_title** - Update Pull Request Title
+  - **Required OAuth Scopes**: `repo`
+  - `owner`: Repository owner (username or organization) (string, required)
+  - `pullNumber`: The pull request number (number, required)
+  - `repo`: Repository name (string, required)
+  - `title`: The new title for the pull request (string, required)
+
 </details>
 
 <details>

cmd/github-mcp-server/main.go

@@ -126,6 +126,13 @@ var (
 				}
 			}
 
+			var enabledFeatures []string
+			if viper.IsSet("features") {
+				if err := viper.UnmarshalKey("features", &enabledFeatures); err != nil {
+					return fmt.Errorf("failed to unmarshal features: %w", err)
+				}
+			}
+
 			ttl := viper.GetDuration("repo-access-cache-ttl")
 			httpConfig := ghhttp.ServerConfig{
 				Version:              version,
@@ -144,6 +151,7 @@ var (
 				EnabledToolsets:      enabledToolsets,
 				EnabledTools:         enabledTools,
 				ExcludeTools:         excludeTools,
+				EnabledFeatures:      enabledFeatures,
 				InsidersMode:         viper.GetBool("insiders"),
 			}