diff --git a/docs/ci/templates/game.gitignore b/docs/ci/templates/game.gitignore
index 4a4ee445..efcb1b5d 100644
--- a/docs/ci/templates/game.gitignore
+++ b/docs/ci/templates/game.gitignore
@@ -43,6 +43,12 @@ disc.cfg
 rom.cfg
 settings.toml
 
+# Local analysis scratch — GPU frame captures / parity dumps (the default
+# --out for tools/gpu_frame_*.py and gpu_parity.py) and asset rips pulled off
+# the disc. Multi-hundred-MB binaries land here and are rejected by GitHub's
+# 100 MB blob limit, and ripped disc content must never be committed at all.
+/analysis/
+
 # Ghidra / local analysis
 /ghidra/projects/
 *.gpr
diff --git a/tools/new_project_layout/project_studio/detect.py b/tools/new_project_layout/project_studio/detect.py
index b60c0070..07ba2df7 100644
--- a/tools/new_project_layout/project_studio/detect.py
+++ b/tools/new_project_layout/project_studio/detect.py
@@ -674,7 +674,7 @@ def audit_project(root: Path) -> AuditReport:
     gi = _read(root / ".gitignore")
     missing_gi = [
         pat
-        for pat in ("/generated/", "/disc/", "/bios/", "/dist/")
+        for pat in ("/generated/", "/disc/", "/bios/", "/dist/", "/analysis/")
         if pat not in gi and pat.rstrip("/") not in gi
     ]
     if not (root / ".gitignore").is_file():
diff --git a/tools/new_project_layout/project_studio/ops.py b/tools/new_project_layout/project_studio/ops.py
index 54d5a675..3c15a808 100644
--- a/tools/new_project_layout/project_studio/ops.py
+++ b/tools/new_project_layout/project_studio/ops.py
@@ -668,6 +668,10 @@ def op_merge_gitignore(root: Path, options: MigrateOptions) -> ApplyResult:
         "/build/",
         "/build-*/",
         "/saves/",
+        # Local analysis scratch: GPU frame captures / parity dumps and disc
+        # asset rips. Routinely exceeds GitHub's 100 MB blob limit, and rips
+        # are disc content that must never be committed.
+        "/analysis/",
         "*.bin",
         "*.cue",
     ]
diff --git a/tools/new_project_layout/templates/gitignore.in b/tools/new_project_layout/templates/gitignore.in
index d0de83ec..a80bc026 100644
--- a/tools/new_project_layout/templates/gitignore.in
+++ b/tools/new_project_layout/templates/gitignore.in
@@ -42,6 +42,12 @@ disc.cfg
 rom.cfg
 settings.toml
 
+# Local analysis scratch — GPU frame captures / parity dumps (the default
+# --out for tools/gpu_frame_*.py and gpu_parity.py) and asset rips pulled off
+# the disc. Multi-hundred-MB binaries land here and are rejected by GitHub's
+# 100 MB blob limit, and ripped disc content must never be committed at all.
+/analysis/
+
 # Ghidra / local analysis
 /ghidra/projects/
 *.gpr