diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f853fb8..a0f5f32 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,6 +44,25 @@ jobs:
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
         with:
           workspaces: infact
+      # Every CI run contributes this build to the public compile-time census
+      # at <https://cratebank.io/>. It builds what the steps below would have
+      # built anyway, measured, so what is added here is mostly the measuring.
+      #
+      # `strict` because this is the build. A measurement that quietly did not
+      # happen would mean nothing built the project either, and a green check
+      # would be saying so about work that never ran.
+      - uses: PowderworksCode/cratebank/action@v0.1.1
+        with:
+          args: --workspace
+          # This job checks out into a subdirectory and sets a
+          # `working-directory` default for it. A composite action's steps do
+          # not inherit that default, so it has to be said again here --
+          # without it the action looks for a `Cargo.toml` at the workspace
+          # root and finds nothing.
+          working-directory: infact
+          org-id: powderworks
+          strict: "true"
+
       # The toolchain comes from rust-toolchain.toml, which rustup installs on
       # first use, so no setup action decides the version.
       - run: cargo fmt --all --check
diff --git a/Cargo.toml b/Cargo.toml
index d49d51a..bf12ee3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,3 +59,10 @@ let_underscore_must_use = "deny"
 
 [profile.release]
 lto = "thin"
+
+[workspace.metadata.cratebank]
+# Opted in: this repository is public, so its crate names are already
+# public. Without this the census records the build and withholds the
+# names, which for an open repository is precision nobody asked for.
+public = true
+repository = "https://github.com/PowderworksCode/infact"