diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7c80a229eb..1b933b959c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -215,7 +215,7 @@ jobs:
       # Manifest edits that skip a gen_builds.py rerun leave stale BUILD
       # files; compare the committed files against a fresh generation.
       - name: Check generated Bazel BUILD files are current
-        run: bazel run //scripts:bazel/gen_builds.py -- --check
+        run: bazel run //scripts:gen_builds -- --check
 
       - name: Test and check dev skill host copies
         run: |
diff --git a/AGENTS.md b/AGENTS.md
index b7afcf7714..1b9c384712 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -94,7 +94,7 @@ unauthorized external action after completing independent, authorized work.
   resolves Rust dependencies from the workspace manifests and `Cargo.lock`.
 - After changing Rust dependencies, run
   `CARGO_BAZEL_REPIN=workspace bazel fetch --repo=@c`.
-  Then run `bazel run //scripts:bazel/gen_builds.py`.
+  Then run `bazel run //scripts:gen_builds`.
   Use `CARGO_BAZEL_REPIN=<crate>` for a targeted dependency update. Commit
   the refreshed lockfile and generated targets together.
 - Code generation: `bazel run //sdks/codegen:generate -- <output-root>`
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 78f51249e5..10cfc75a7f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -26,7 +26,7 @@ lockfile and generated Bazel targets:
 
 ```bash
 CARGO_BAZEL_REPIN=workspace bazel fetch --repo=@c
-bazel run //scripts:bazel/gen_builds.py
+bazel run //scripts:gen_builds
 ```
 
 For a targeted dependency update, use `CARGO_BAZEL_REPIN=<crate>` instead.
diff --git a/benchmark_data/BUILD.bazel b/benchmark_data/BUILD.bazel
index 34029c7d21..473ff10808 100644
--- a/benchmark_data/BUILD.bazel
+++ b/benchmark_data/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 # BEGIN generated by scripts/bazel/gen_builds.py
 filegroup(
diff --git a/crates/tracedecay-agent-hosts/BUILD.bazel b/crates/tracedecay-agent-hosts/BUILD.bazel
index 425dfdc231..37b5b97776 100644
--- a/crates/tracedecay-agent-hosts/BUILD.bazel
+++ b/crates/tracedecay-agent-hosts/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-api/BUILD.bazel b/crates/tracedecay-api/BUILD.bazel
index 2568704d59..e0ba6c6208 100644
--- a/crates/tracedecay-api/BUILD.bazel
+++ b/crates/tracedecay-api/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-application/BUILD.bazel b/crates/tracedecay-application/BUILD.bazel
index 6c83d7e155..4132335dc7 100644
--- a/crates/tracedecay-application/BUILD.bazel
+++ b/crates/tracedecay-application/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-automation-runtime/BUILD.bazel b/crates/tracedecay-automation-runtime/BUILD.bazel
index af5d30ba01..e64cef019e 100644
--- a/crates/tracedecay-automation-runtime/BUILD.bazel
+++ b/crates/tracedecay-automation-runtime/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-automation/BUILD.bazel b/crates/tracedecay-automation/BUILD.bazel
index 47561a4189..f72467d8fc 100644
--- a/crates/tracedecay-automation/BUILD.bazel
+++ b/crates/tracedecay-automation/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-capture/BUILD.bazel b/crates/tracedecay-capture/BUILD.bazel
index 91c502cc6a..8ecf26fe2f 100644
--- a/crates/tracedecay-capture/BUILD.bazel
+++ b/crates/tracedecay-capture/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-cli/BUILD.bazel b/crates/tracedecay-cli/BUILD.bazel
index 54557ecf2a..4a771bf949 100644
--- a/crates/tracedecay-cli/BUILD.bazel
+++ b/crates/tracedecay-cli/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-code-extraction/BUILD.bazel b/crates/tracedecay-code-extraction/BUILD.bazel
index 129f933b88..238c27bbbe 100644
--- a/crates/tracedecay-code-extraction/BUILD.bazel
+++ b/crates/tracedecay-code-extraction/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-code-index-retention/BUILD.bazel b/crates/tracedecay-code-index-retention/BUILD.bazel
index 5d76d69e5d..4b7fca3c8f 100644
--- a/crates/tracedecay-code-index-retention/BUILD.bazel
+++ b/crates/tracedecay-code-index-retention/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-code-index-runtime/BUILD.bazel b/crates/tracedecay-code-index-runtime/BUILD.bazel
index d0626bbbb5..99a07c7b7c 100644
--- a/crates/tracedecay-code-index-runtime/BUILD.bazel
+++ b/crates/tracedecay-code-index-runtime/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-code-index/BUILD.bazel b/crates/tracedecay-code-index/BUILD.bazel
index 8fd723a9d3..4c6b9717b3 100644
--- a/crates/tracedecay-code-index/BUILD.bazel
+++ b/crates/tracedecay-code-index/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-configuration/BUILD.bazel b/crates/tracedecay-configuration/BUILD.bazel
index 8d5a9e436e..8e072250ae 100644
--- a/crates/tracedecay-configuration/BUILD.bazel
+++ b/crates/tracedecay-configuration/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-contracts/BUILD.bazel b/crates/tracedecay-contracts/BUILD.bazel
index afd6b7f2ee..fbf4207d7a 100644
--- a/crates/tracedecay-contracts/BUILD.bazel
+++ b/crates/tracedecay-contracts/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-daemon-control/BUILD.bazel b/crates/tracedecay-daemon-control/BUILD.bazel
index 762491c6cd..04caea2f93 100644
--- a/crates/tracedecay-daemon-control/BUILD.bazel
+++ b/crates/tracedecay-daemon-control/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-daemon-identity/BUILD.bazel b/crates/tracedecay-daemon-identity/BUILD.bazel
index efc21e4ca4..e1787bca22 100644
--- a/crates/tracedecay-daemon-identity/BUILD.bazel
+++ b/crates/tracedecay-daemon-identity/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-daemon-protocol/BUILD.bazel b/crates/tracedecay-daemon-protocol/BUILD.bazel
index 81a71fdad0..2065de454b 100644
--- a/crates/tracedecay-daemon-protocol/BUILD.bazel
+++ b/crates/tracedecay-daemon-protocol/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-daemon-service/BUILD.bazel b/crates/tracedecay-daemon-service/BUILD.bazel
index 872fc1faf7..82a5916c20 100644
--- a/crates/tracedecay-daemon-service/BUILD.bazel
+++ b/crates/tracedecay-daemon-service/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-dashboard-api/BUILD.bazel b/crates/tracedecay-dashboard-api/BUILD.bazel
index 609662f08f..2aef6b2247 100644
--- a/crates/tracedecay-dashboard-api/BUILD.bazel
+++ b/crates/tracedecay-dashboard-api/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-domain/BUILD.bazel b/crates/tracedecay-domain/BUILD.bazel
index 3b36489adc..9fa68a88c0 100644
--- a/crates/tracedecay-domain/BUILD.bazel
+++ b/crates/tracedecay-domain/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-framing/BUILD.bazel b/crates/tracedecay-framing/BUILD.bazel
index f6f8feba71..674dc9fc89 100644
--- a/crates/tracedecay-framing/BUILD.bazel
+++ b/crates/tracedecay-framing/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-global-db/BUILD.bazel b/crates/tracedecay-global-db/BUILD.bazel
index 8064e12258..f611b9e94e 100644
--- a/crates/tracedecay-global-db/BUILD.bazel
+++ b/crates/tracedecay-global-db/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-graph-db/BUILD.bazel b/crates/tracedecay-graph-db/BUILD.bazel
index 27205813c5..147410a5db 100644
--- a/crates/tracedecay-graph-db/BUILD.bazel
+++ b/crates/tracedecay-graph-db/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-graph-query/BUILD.bazel b/crates/tracedecay-graph-query/BUILD.bazel
index fd4d499193..6319b428e7 100644
--- a/crates/tracedecay-graph-query/BUILD.bazel
+++ b/crates/tracedecay-graph-query/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-hooks/BUILD.bazel b/crates/tracedecay-hooks/BUILD.bazel
index 7c6be16012..e144c111ca 100644
--- a/crates/tracedecay-hooks/BUILD.bazel
+++ b/crates/tracedecay-hooks/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-host-admission/BUILD.bazel b/crates/tracedecay-host-admission/BUILD.bazel
index 97fa40d19d..01831693bf 100644
--- a/crates/tracedecay-host-admission/BUILD.bazel
+++ b/crates/tracedecay-host-admission/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-host-integration/BUILD.bazel b/crates/tracedecay-host-integration/BUILD.bazel
index c5bb3acc46..0a58ff4b83 100644
--- a/crates/tracedecay-host-integration/BUILD.bazel
+++ b/crates/tracedecay-host-integration/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-lcm/BUILD.bazel b/crates/tracedecay-lcm/BUILD.bazel
index 34f131d431..8571a6d369 100644
--- a/crates/tracedecay-lcm/BUILD.bazel
+++ b/crates/tracedecay-lcm/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-lsp/BUILD.bazel b/crates/tracedecay-lsp/BUILD.bazel
index 44dc56ddd6..f4a6ebc631 100644
--- a/crates/tracedecay-lsp/BUILD.bazel
+++ b/crates/tracedecay-lsp/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-maintenance/BUILD.bazel b/crates/tracedecay-maintenance/BUILD.bazel
index 669ee3c71e..e888a32ce8 100644
--- a/crates/tracedecay-maintenance/BUILD.bazel
+++ b/crates/tracedecay-maintenance/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-mcp-catalog/BUILD.bazel b/crates/tracedecay-mcp-catalog/BUILD.bazel
index 6714552a93..c5824c1f91 100644
--- a/crates/tracedecay-mcp-catalog/BUILD.bazel
+++ b/crates/tracedecay-mcp-catalog/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-mcp/BUILD.bazel b/crates/tracedecay-mcp/BUILD.bazel
index fbdf0dfeb3..06b3fc7d7b 100644
--- a/crates/tracedecay-mcp/BUILD.bazel
+++ b/crates/tracedecay-mcp/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-policy/BUILD.bazel b/crates/tracedecay-policy/BUILD.bazel
index a071601739..6159ec7c50 100644
--- a/crates/tracedecay-policy/BUILD.bazel
+++ b/crates/tracedecay-policy/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-privacy/BUILD.bazel b/crates/tracedecay-privacy/BUILD.bazel
index e0137acbc4..c7130dc4d9 100644
--- a/crates/tracedecay-privacy/BUILD.bazel
+++ b/crates/tracedecay-privacy/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-private-fs/BUILD.bazel b/crates/tracedecay-private-fs/BUILD.bazel
index 179ba3b0c6..b40493ae65 100644
--- a/crates/tracedecay-private-fs/BUILD.bazel
+++ b/crates/tracedecay-private-fs/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-project/BUILD.bazel b/crates/tracedecay-project/BUILD.bazel
index 85ec01f168..4399e856fc 100644
--- a/crates/tracedecay-project/BUILD.bazel
+++ b/crates/tracedecay-project/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-query/BUILD.bazel b/crates/tracedecay-query/BUILD.bazel
index e1499a70d6..77a562baa4 100644
--- a/crates/tracedecay-query/BUILD.bazel
+++ b/crates/tracedecay-query/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-runtime-core/BUILD.bazel b/crates/tracedecay-runtime-core/BUILD.bazel
index 0ed5da707b..148a2deb5b 100644
--- a/crates/tracedecay-runtime-core/BUILD.bazel
+++ b/crates/tracedecay-runtime-core/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-rusqlite-runtime/BUILD.bazel b/crates/tracedecay-rusqlite-runtime/BUILD.bazel
index 3d63e07c43..4523831b08 100644
--- a/crates/tracedecay-rusqlite-runtime/BUILD.bazel
+++ b/crates/tracedecay-rusqlite-runtime/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-sdk/BUILD.bazel b/crates/tracedecay-sdk/BUILD.bazel
index 012b6a99e0..8bacfecee7 100644
--- a/crates/tracedecay-sdk/BUILD.bazel
+++ b/crates/tracedecay-sdk/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-search-eval/BUILD.bazel b/crates/tracedecay-search-eval/BUILD.bazel
index e5a972b333..e09aae133c 100644
--- a/crates/tracedecay-search-eval/BUILD.bazel
+++ b/crates/tracedecay-search-eval/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-session-memory/BUILD.bazel b/crates/tracedecay-session-memory/BUILD.bazel
index c0b2299ef6..8b73cf0a94 100644
--- a/crates/tracedecay-session-memory/BUILD.bazel
+++ b/crates/tracedecay-session-memory/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-session-runtime/BUILD.bazel b/crates/tracedecay-session-runtime/BUILD.bazel
index d18cd3cb9e..c63058c622 100644
--- a/crates/tracedecay-session-runtime/BUILD.bazel
+++ b/crates/tracedecay-session-runtime/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-session-temporal-store/BUILD.bazel b/crates/tracedecay-session-temporal-store/BUILD.bazel
index 979c328a61..9115bc930c 100644
--- a/crates/tracedecay-session-temporal-store/BUILD.bazel
+++ b/crates/tracedecay-session-temporal-store/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-sessions/BUILD.bazel b/crates/tracedecay-sessions/BUILD.bazel
index 80c44aeb64..4c18689377 100644
--- a/crates/tracedecay-sessions/BUILD.bazel
+++ b/crates/tracedecay-sessions/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-source-edit/BUILD.bazel b/crates/tracedecay-source-edit/BUILD.bazel
index 54f2fa57c0..b4923fd412 100644
--- a/crates/tracedecay-source-edit/BUILD.bazel
+++ b/crates/tracedecay-source-edit/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-store-runtime/BUILD.bazel b/crates/tracedecay-store-runtime/BUILD.bazel
index 25b917b209..758283fce3 100644
--- a/crates/tracedecay-store-runtime/BUILD.bazel
+++ b/crates/tracedecay-store-runtime/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-store/BUILD.bazel b/crates/tracedecay-store/BUILD.bazel
index 181be22b74..4ded0bc74b 100644
--- a/crates/tracedecay-store/BUILD.bazel
+++ b/crates/tracedecay-store/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-temporal-query/BUILD.bazel b/crates/tracedecay-temporal-query/BUILD.bazel
index 3a8eed7358..81cd5b1a5d 100644
--- a/crates/tracedecay-temporal-query/BUILD.bazel
+++ b/crates/tracedecay-temporal-query/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-tokenizer/BUILD.bazel b/crates/tracedecay-tokenizer/BUILD.bazel
index 69cbb5c132..6fea40a96f 100644
--- a/crates/tracedecay-tokenizer/BUILD.bazel
+++ b/crates/tracedecay-tokenizer/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay-tool-catalog/BUILD.bazel b/crates/tracedecay-tool-catalog/BUILD.bazel
index 5174fe20e9..d2f9c8c20c 100644
--- a/crates/tracedecay-tool-catalog/BUILD.bazel
+++ b/crates/tracedecay-tool-catalog/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/crates/tracedecay/BUILD.bazel b/crates/tracedecay/BUILD.bazel
index 1bbfc4a2ad..5748e8d7a0 100644
--- a/crates/tracedecay/BUILD.bazel
+++ b/crates/tracedecay/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/scripts/BUILD.bazel b/scripts/BUILD.bazel
index 1045906590..1ff6af1c8e 100644
--- a/scripts/BUILD.bazel
+++ b/scripts/BUILD.bazel
@@ -1,6 +1,14 @@
 load("@rules_python//python:defs.bzl", "py_binary", "py_test")
 load("//scripts:bazel/rust_test.bzl", "rust_test")
 
+# Runs on Bazel's pinned interpreter: the generator needs Python 3.11+
+# (tomllib), which a host python3 behind the file's shebang may not be.
+py_binary(
+    name = "gen_builds",
+    srcs = ["bazel/gen_builds.py"],
+    main = "bazel/gen_builds.py",
+)
+
 py_binary(
     name = "measure_unused_tool_context",
     srcs = ["measure-unused-tool-context.py"],
diff --git a/scripts/bazel/gen_builds.py b/scripts/bazel/gen_builds.py
index 366be494d0..11a091dc66 100755
--- a/scripts/bazel/gen_builds.py
+++ b/scripts/bazel/gen_builds.py
@@ -30,6 +30,7 @@
 
 import hashlib
 import json
+import os
 import re
 import subprocess
 import sys
@@ -38,11 +39,16 @@
 from functools import lru_cache
 from pathlib import Path
 
-REPO = Path(__file__).resolve().parent.parent.parent
+# `bazel run` executes from runfiles; the workspace it names is the tree to
+# regenerate.
+REPO = Path(
+    os.environ.get("BUILD_WORKSPACE_DIRECTORY")
+    or Path(__file__).resolve().parent.parent.parent
+)
 
 BANNER = (
     "# Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.\n"
-    "# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py\n"
+    "# Regenerate instead of editing. bazel run //scripts:gen_builds\n"
 )
 
 # Generated filegroups embedded in a handwritten BUILD.bazel live inside
@@ -1584,7 +1590,7 @@ def render_shared(path, pkg_dir):
             print("generated BUILD.bazel files are out of date:")
             for path in stale:
                 print(f"  {path.relative_to(REPO)}")
-            print("rerun: bazel run //scripts:bazel/gen_builds.py")
+            print("rerun: bazel run //scripts:gen_builds")
             # Show the first diffs so CI output explains the divergence.
             import difflib
             shown = 0
diff --git a/scripts/test-neutralize-release-pr-closing-keywords.py b/scripts/test-neutralize-release-pr-closing-keywords.py
index 936fd203ec..c48e66130b 100644
--- a/scripts/test-neutralize-release-pr-closing-keywords.py
+++ b/scripts/test-neutralize-release-pr-closing-keywords.py
@@ -244,7 +244,7 @@ def git(*args: str, cwd: Path = main) -> None:
                 '  "fetch --repo=@c")\n'
                 '    [ "${CARGO_BAZEL_REPIN:-}" = workspace ] || exit 65\n'
                 "    printf 'version = 4\\n# refreshed by Bazel\\n' > Cargo.lock ;;\n"
-                '  "run //scripts:bazel/gen_builds.py")\n'
+                '  "run //scripts:gen_builds")\n'
                 '    grep -q "# refreshed by Bazel" Cargo.lock || exit 66\n'
                 '    exec python3 scripts/bazel/gen_builds.py ;;\n'
                 '  *) exit 64 ;;\n'
diff --git a/scripts/update-release-pr-lockfile.sh b/scripts/update-release-pr-lockfile.sh
index 7993284818..58536e38f0 100755
--- a/scripts/update-release-pr-lockfile.sh
+++ b/scripts/update-release-pr-lockfile.sh
@@ -20,7 +20,7 @@ RELEASE_PR_BRANCH=$(
 )
 pnpm install --frozen-lockfile
 CARGO_BAZEL_REPIN=workspace bazel fetch --repo=@c
-bazel run //scripts:bazel/gen_builds.py
+bazel run //scripts:gen_builds
 pnpm --dir sdks/typescript run build
 pnpm --dir plugin/chatgpt-extension run build
 
diff --git a/tests/BUILD.bazel b/tests/BUILD.bazel
index ddda3cb21f..175bfff9e1 100644
--- a/tests/BUILD.bazel
+++ b/tests/BUILD.bazel
@@ -1,5 +1,5 @@
 # Generated by scripts/bazel/gen_builds.py from Cargo.toml + Cargo.lock.
-# Regenerate instead of editing. bazel run //scripts:bazel/gen_builds.py
+# Regenerate instead of editing. bazel run //scripts:gen_builds
 
 # BEGIN generated by scripts/bazel/gen_builds.py
 filegroup(