diff --git a/.github/workflows/ci-coverage-overview.yml b/.github/workflows/ci-coverage-overview.yml
new file mode 100644
index 000000000..3fc5512f6
--- /dev/null
+++ b/.github/workflows/ci-coverage-overview.yml
@@ -0,0 +1,92 @@
+name: CI Coverage Overview
+
+on:
+  schedule:
+    - cron: '0 6 * * *'  # Daily at 6 AM UTC
+  pull_request:
+    paths:
+      - '.github/workflows/ci-coverage-overview.yml'
+      - 'scripts/ci/ci_coverage_report.py'
+      - 'test/registered/**'
+  workflow_dispatch:
+    inputs:
+      output_format:
+        description: 'Output format'
+        required: false
+        default: 'markdown'
+        type: choice
+        options:
+          - markdown
+          - json
+
+jobs:
+  summary:
+    name: Summary
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Generate Summary Report
+        run: |
+          python scripts/ci/ci_coverage_report.py --section summary
+
+  by-folder:
+    name: Tests by Folder
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Generate Tests by Folder Report
+        run: |
+          python scripts/ci/ci_coverage_report.py --section by-folder
+
+  by-suite:
+    name: Tests by Suite
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Generate Tests by Suite Report
+        run: |
+          python scripts/ci/ci_coverage_report.py --section by-suite
+
+  json-export:
+    name: JSON Export
+    runs-on: ubuntu-latest
+    if: inputs.output_format == 'json'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - name: Generate JSON Report
+        run: |
+          python scripts/ci/ci_coverage_report.py --output-format json > ci_coverage.json
+
+      - name: Upload JSON artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ci-coverage-report
+          path: ci_coverage.json
diff --git a/scripts/ci/ci_coverage_report.py b/scripts/ci/ci_coverage_report.py
new file mode 100755
index 000000000..2ba07d560
--- /dev/null
+++ b/scripts/ci/ci_coverage_report.py
@@ -0,0 +1,474 @@
+#!/usr/bin/env python3
+"""
+CI Coverage Report Generator
+
+Collects all CI test registrations from test/registered/ and generates
+a coverage report organized by folder, backend, and suite.
+
+Usage:
+    python scripts/ci/ci_coverage_report.py [--output-format markdown|json]
+"""
+
+import argparse
+import glob
+import json
+import os
+import sys
+from collections import defaultdict
+from pathlib import Path
+
+# Add the ci_register module path directly to avoid heavy sglang imports
+sys.path.insert(
+    0, str(Path(__file__).parent.parent.parent / "python" / "sglang" / "test" / "ci")
+)
+
+from ci_register import CIRegistry, HWBackend, ut_parse_one_file
+
+
+def collect_all_tests(registered_dir: str) -> list[CIRegistry]:
+    """Collect all CI registrations from registered directory."""
+    files = glob.glob(f"{registered_dir}/**/*.py", recursive=True)
+    all_tests = []
+
+    for file in sorted(files):
+        try:
+            registries = ut_parse_one_file(file)
+            all_tests.extend(registries)
+        except Exception as e:
+            print(f"Warning: Failed to parse {file}: {e}", file=sys.stderr)
+
+    return all_tests
+
+
+def get_folder_name(filename: str) -> str:
+    """Extract folder name from test filename."""
+    # e.g., "registered/models/test_foo.py" -> "models"
+    parts = Path(filename).parts
+    if "registered" in parts:
+        idx = parts.index("registered")
+        if idx + 1 < len(parts) - 1:  # Has subfolder
+            return parts[idx + 1]
+    return "root"
+
+
+def get_test_basename(filename: str) -> str:
+    """Extract just the test file name from the path."""
+    return Path(filename).name
+
+
+def organize_test_data(tests: list[CIRegistry]) -> dict:
+    """Organize tests into various groupings."""
+    by_backend = defaultdict(list)
+    by_folder = defaultdict(list)
+    disabled_tests = []
+
+    for t in tests:
+        by_backend[t.backend.name].append(t)
+        by_folder[get_folder_name(t.filename)].append(t)
+        if t.disabled:
+            disabled_tests.append(t)
+
+    # Count unique test files (a file may be registered for multiple backends)
+    unique_files = set(t.filename for t in tests)
+    unique_enabled_files = set(t.filename for t in tests if not t.disabled)
+    unique_disabled_files = set(t.filename for t in tests if t.disabled)
+
+    return {
+        "total": len(tests),
+        "total_unique_files": len(unique_files),
+        "enabled": len(tests) - len(disabled_tests),
+        "enabled_unique_files": len(unique_enabled_files),
+        "disabled_count": len(disabled_tests),
+        "disabled_unique_files": len(unique_disabled_files),
+        "by_backend": by_backend,
+        "by_folder": by_folder,
+        "disabled_tests": disabled_tests,
+    }
+
+
+def generate_summary_section(data: dict) -> str:
+    """Generate the summary/overview section."""
+    lines = []
+    lines.append("# CI Coverage Overview\n")
+    lines.append(
+        f"**Unique Test Files:** {data['total_unique_files']} ({data['enabled_unique_files']} enabled, {data['disabled_unique_files']} disabled)\n"
+    )
+    lines.append(
+        f"**Total Registrations:** {data['total']} ({data['enabled']} enabled, {data['disabled_count']} disabled)\n"
+    )
+    lines.append(
+        "*Note: A test file may be registered for multiple backends (e.g., CUDA + AMD), so total registrations > unique files.*\n"
+    )
+
+    by_backend = data["by_backend"]
+    by_folder = data["by_folder"]
+    disabled_tests = data["disabled_tests"]
+
+    # Backend summary (collapsible)
+    lines.append("<details>")
+    lines.append("<summary><h2>Backend Summary</h2></summary>\n")
+    lines.append("| Backend | Total | Enabled | Disabled | Per-Commit | Nightly |")
+    lines.append("|---------|-------|---------|----------|------------|---------|")
+
+    for backend in ["CUDA", "AMD", "NPU", "CPU"]:
+        backend_tests = by_backend.get(backend, [])
+        if not backend_tests:
+            continue
+        b_total = len(backend_tests)
+        b_disabled = sum(1 for t in backend_tests if t.disabled)
+        b_enabled = b_total - b_disabled
+        b_per_commit = sum(1 for t in backend_tests if not t.nightly and not t.disabled)
+        b_nightly = sum(1 for t in backend_tests if t.nightly and not t.disabled)
+        lines.append(
+            f"| {backend} | {b_total} | {b_enabled} | {b_disabled} | {b_per_commit} | {b_nightly} |"
+        )
+
+    lines.append("\n</details>\n")
+
+    # Folder summary (collapsible)
+    lines.append("<details>")
+    lines.append("<summary><h2>Folder Summary</h2></summary>\n")
+    lines.append("| Folder | CUDA | AMD | NPU | CPU | Total |")
+    lines.append("|--------|------|-----|-----|-----|-------|")
+
+    for folder in sorted(by_folder.keys()):
+        folder_tests = by_folder[folder]
+        cuda = sum(1 for t in folder_tests if t.backend == HWBackend.CUDA)
+        amd = sum(1 for t in folder_tests if t.backend == HWBackend.AMD)
+        npu = sum(1 for t in folder_tests if t.backend == HWBackend.NPU)
+        cpu = sum(1 for t in folder_tests if t.backend == HWBackend.CPU)
+        lines.append(
+            f"| {folder} | {cuda} | {amd} | {npu} | {cpu} | {len(folder_tests)} |"
+        )
+
+    lines.append("\n</details>\n")
+
+    # Disabled tests section (collapsible)
+    if disabled_tests:
+        lines.append("<details>")
+        lines.append("<summary><h2>Disabled Tests</h2></summary>\n")
+        lines.append("| File | Backend | Suite | Reason |")
+        lines.append("|------|---------|-------|--------|")
+        for t in sorted(disabled_tests, key=lambda x: (x.backend.name, x.filename)):
+            test_name = get_test_basename(t.filename)
+            reason = t.disabled[:50] + "..." if len(t.disabled) > 50 else t.disabled
+            lines.append(f"| `{test_name}` | {t.backend.name} | {t.suite} | {reason} |")
+        lines.append("\n</details>\n")
+
+    return "\n".join(lines)
+
+
+def generate_by_folder_section(data: dict) -> str:
+    """Generate the 'All Tests by Folder' section."""
+    lines = []
+    by_folder = data["by_folder"]
+
+    lines.append("# All Tests by Folder\n")
+
+    for folder in sorted(by_folder.keys()):
+        folder_tests = by_folder[folder]
+        lines.append("<details>")
+        lines.append(
+            f"<summary><h2>{folder}/ ({len(folder_tests)} tests)</h2></summary>\n"
+        )
+
+        # Group by backend within folder
+        folder_by_backend = defaultdict(list)
+        for t in folder_tests:
+            folder_by_backend[t.backend.name].append(t)
+
+        for backend in ["CUDA", "AMD", "NPU", "CPU"]:
+            backend_tests = folder_by_backend.get(backend, [])
+            if not backend_tests:
+                continue
+
+            lines.append(f"### {backend} ({len(backend_tests)} tests)\n")
+            lines.append("| Test File | Suite | Est. Time | Status |")
+            lines.append("|-----------|-------|-----------|--------|")
+
+            for t in sorted(backend_tests, key=lambda x: x.filename):
+                test_name = get_test_basename(t.filename)
+                status = (
+                    "Disabled"
+                    if t.disabled
+                    else ("Nightly" if t.nightly else "Per-Commit")
+                )
+                lines.append(
+                    f"| `{test_name}` | {t.suite} | {t.est_time:.0f}s | {status} |"
+                )
+
+            lines.append("")
+
+        lines.append("</details>\n")
+
+    return "\n".join(lines)
+
+
+def generate_by_suite_section(data: dict) -> str:
+    """Generate the 'All Tests by Test Suite' section."""
+    lines = []
+    by_backend = data["by_backend"]
+
+    lines.append("# All Tests by Test Suite\n")
+
+    for backend in ["CUDA", "AMD", "NPU", "CPU"]:
+        backend_tests = by_backend.get(backend, [])
+        if not backend_tests:
+            continue
+
+        b_total = len(backend_tests)
+        b_disabled = sum(1 for t in backend_tests if t.disabled)
+        b_enabled = b_total - b_disabled
+
+        lines.append("<details>")
+        lines.append(
+            f"<summary><h2>{backend} Backend ({b_enabled} enabled, {b_disabled} disabled)</h2></summary>\n"
+        )
+
+        # Group by suite within backend
+        backend_suites = defaultdict(list)
+        for t in backend_tests:
+            backend_suites[t.suite].append(t)
+
+        for suite in sorted(backend_suites.keys()):
+            suite_tests = backend_suites[suite]
+            s_enabled = sum(1 for t in suite_tests if not t.disabled)
+            s_disabled = sum(1 for t in suite_tests if t.disabled)
+            s_est_time = sum(t.est_time for t in suite_tests if not t.disabled)
+            is_nightly = any(t.nightly for t in suite_tests if not t.disabled)
+
+            suite_type = "Nightly" if is_nightly else "Per-Commit"
+            lines.append("<details>")
+            lines.append(
+                f"<summary><h3>{suite} ({s_enabled} enabled, {s_disabled} disabled) - {suite_type}</h3></summary>\n"
+            )
+            lines.append(f"*Estimated total time: {s_est_time:.0f}s*\n")
+
+            lines.append("| Test File | Folder | Est. Time | Status |")
+            lines.append("|-----------|--------|-----------|--------|")
+
+            for t in sorted(suite_tests, key=lambda x: x.filename):
+                test_name = get_test_basename(t.filename)
+                folder = get_folder_name(t.filename)
+                if t.disabled:
+                    status = (
+                        f"Disabled: {t.disabled[:30]}..."
+                        if len(t.disabled) > 30
+                        else f"Disabled: {t.disabled}"
+                    )
+                else:
+                    status = "Nightly" if t.nightly else "Per-Commit"
+                lines.append(
+                    f"| `{test_name}` | {folder} | {t.est_time:.0f}s | {status} |"
+                )
+
+            lines.append("\n</details>\n")
+
+        lines.append("</details>\n")
+
+    return "\n".join(lines)
+
+
+def generate_markdown_report(tests: list[CIRegistry], section: str = "all") -> str:
+    """Generate markdown report for GitHub step summary."""
+    data = organize_test_data(tests)
+
+    if section == "summary":
+        return generate_summary_section(data)
+    elif section == "by-folder":
+        return generate_by_folder_section(data)
+    elif section == "by-suite":
+        return generate_by_suite_section(data)
+    else:  # "all"
+        parts = [
+            generate_summary_section(data),
+            "---",
+            generate_by_folder_section(data),
+            "---",
+            generate_by_suite_section(data),
+        ]
+        return "\n".join(parts)
+
+
+def generate_json_report(tests: list[CIRegistry]) -> str:
+    """Generate JSON report with detailed test listings."""
+    by_backend = defaultdict(list)
+    by_folder = defaultdict(list)
+
+    for t in tests:
+        by_backend[t.backend.name].append(t)
+        by_folder[get_folder_name(t.filename)].append(t)
+
+    disabled_tests = [t for t in tests if t.disabled]
+
+    # Build structured data
+    data = {
+        "summary": {
+            "total": len(tests),
+            "enabled": len(tests) - len(disabled_tests),
+            "disabled": len(disabled_tests),
+        },
+        "tests_by_folder": {},
+        "tests_by_suite": {},
+        "backend_summary": {},
+        "folder_summary": {},
+        "disabled_tests": [],
+    }
+
+    # Section 1: Tests by Folder
+    for folder in sorted(by_folder.keys()):
+        folder_tests = by_folder[folder]
+        folder_by_backend = defaultdict(list)
+        for t in folder_tests:
+            folder_by_backend[t.backend.name].append(t)
+
+        data["tests_by_folder"][folder] = {
+            "total": len(folder_tests),
+            "backends": {},
+        }
+
+        for backend in ["CUDA", "AMD", "NPU", "CPU"]:
+            backend_tests = folder_by_backend.get(backend, [])
+            if backend_tests:
+                data["tests_by_folder"][folder]["backends"][backend] = [
+                    {
+                        "filename": get_test_basename(t.filename),
+                        "suite": t.suite,
+                        "est_time": t.est_time,
+                        "status": (
+                            "disabled"
+                            if t.disabled
+                            else ("nightly" if t.nightly else "per-commit")
+                        ),
+                    }
+                    for t in sorted(backend_tests, key=lambda x: x.filename)
+                ]
+
+    # Section 2: Tests by Suite (Backend -> Suite)
+    for backend in ["CUDA", "AMD", "NPU", "CPU"]:
+        backend_tests = by_backend.get(backend, [])
+        if not backend_tests:
+            continue
+
+        backend_suites = defaultdict(list)
+        for t in backend_tests:
+            backend_suites[t.suite].append(t)
+
+        data["tests_by_suite"][backend] = {
+            "total": len(backend_tests),
+            "enabled": sum(1 for t in backend_tests if not t.disabled),
+            "disabled": sum(1 for t in backend_tests if t.disabled),
+            "suites": {},
+        }
+
+        for suite in sorted(backend_suites.keys()):
+            suite_tests = backend_suites[suite]
+            is_nightly = any(t.nightly for t in suite_tests if not t.disabled)
+
+            data["tests_by_suite"][backend]["suites"][suite] = {
+                "total": len(suite_tests),
+                "enabled": sum(1 for t in suite_tests if not t.disabled),
+                "disabled": sum(1 for t in suite_tests if t.disabled),
+                "est_time": sum(t.est_time for t in suite_tests if not t.disabled),
+                "type": "nightly" if is_nightly else "per-commit",
+                "tests": [
+                    {
+                        "filename": get_test_basename(t.filename),
+                        "folder": get_folder_name(t.filename),
+                        "est_time": t.est_time,
+                        "status": (
+                            "disabled"
+                            if t.disabled
+                            else ("nightly" if t.nightly else "per-commit")
+                        ),
+                        "disabled_reason": t.disabled if t.disabled else None,
+                    }
+                    for t in sorted(suite_tests, key=lambda x: x.filename)
+                ],
+            }
+
+    # Backend summary
+    for backend in ["CUDA", "AMD", "NPU", "CPU"]:
+        backend_tests = by_backend.get(backend, [])
+        if backend_tests:
+            data["backend_summary"][backend] = {
+                "total": len(backend_tests),
+                "enabled": sum(1 for t in backend_tests if not t.disabled),
+                "disabled": sum(1 for t in backend_tests if t.disabled),
+                "per_commit": sum(
+                    1 for t in backend_tests if not t.nightly and not t.disabled
+                ),
+                "nightly": sum(
+                    1 for t in backend_tests if t.nightly and not t.disabled
+                ),
+            }
+
+    # Folder summary
+    for folder in sorted(by_folder.keys()):
+        folder_tests = by_folder[folder]
+        data["folder_summary"][folder] = {
+            "CUDA": sum(1 for t in folder_tests if t.backend == HWBackend.CUDA),
+            "AMD": sum(1 for t in folder_tests if t.backend == HWBackend.AMD),
+            "NPU": sum(1 for t in folder_tests if t.backend == HWBackend.NPU),
+            "CPU": sum(1 for t in folder_tests if t.backend == HWBackend.CPU),
+            "total": len(folder_tests),
+        }
+
+    # Disabled tests
+    for t in sorted(disabled_tests, key=lambda x: (x.backend.name, x.filename)):
+        data["disabled_tests"].append(
+            {
+                "filename": get_test_basename(t.filename),
+                "backend": t.backend.name,
+                "suite": t.suite,
+                "reason": t.disabled,
+            }
+        )
+
+    return json.dumps(data, indent=2)
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Generate CI coverage report")
+    parser.add_argument(
+        "--output-format",
+        choices=["markdown", "json"],
+        default="markdown",
+        help="Output format (default: markdown)",
+    )
+    parser.add_argument(
+        "--section",
+        choices=["all", "summary", "by-folder", "by-suite"],
+        default="all",
+        help="Which section to output (default: all). Only applies to markdown format.",
+    )
+    parser.add_argument(
+        "--registered-dir",
+        default="test/registered",
+        help="Path to registered test directory",
+    )
+    args = parser.parse_args()
+
+    # Change to repo root if needed
+    script_dir = Path(__file__).parent
+    repo_root = script_dir.parent.parent
+    os.chdir(repo_root)
+
+    tests = collect_all_tests(args.registered_dir)
+
+    if args.output_format == "markdown":
+        report = generate_markdown_report(tests, section=args.section)
+    else:
+        report = generate_json_report(tests)
+
+    print(report)
+
+    # Write to GITHUB_STEP_SUMMARY if available
+    summary_file = os.environ.get("GITHUB_STEP_SUMMARY")
+    if summary_file and args.output_format == "markdown":
+        with open(summary_file, "a") as f:
+            f.write(report)
+
+
+if __name__ == "__main__":
+    main()