diff --git a/src/controllers.rs b/src/controllers.rs
index cd055a67c18..a58d7b1ab1b 100644
--- a/src/controllers.rs
+++ b/src/controllers.rs
@@ -1,6 +1,7 @@
 pub mod helpers;
 pub mod util;
 
+pub mod admin;
 pub mod category;
 pub mod crate_owner_invitation;
 pub mod git;
diff --git a/src/controllers/admin.rs b/src/controllers/admin.rs
new file mode 100644
index 00000000000..f75e350ccec
--- /dev/null
+++ b/src/controllers/admin.rs
@@ -0,0 +1,168 @@
+use crate::{
+    app::AppState,
+    auth::AuthCheck,
+    models::{CrateOwner, OwnerKind, User},
+    schema::*,
+    util::errors::{AppResult, custom},
+};
+use axum::{Json, extract::Path};
+use chrono::{DateTime, Utc};
+use diesel::{dsl::count_star, prelude::*};
+use diesel_async::RunQueryDsl;
+use http::{StatusCode, request::Parts};
+use serde::Serialize;
+
+#[derive(Debug, Queryable, Selectable)]
+#[diesel(check_for_backend(diesel::pg::Pg))]
+struct DatabaseCrateInfo {
+    #[diesel(select_expression = crates::columns::name)]
+    name: String,
+
+    #[diesel(select_expression = crates::columns::description)]
+    description: Option<String>,
+
+    #[diesel(select_expression = crates::columns::updated_at)]
+    updated_at: DateTime<Utc>,
+
+    #[diesel(select_expression = crate_downloads::columns::downloads.nullable())]
+    downloads: Option<i64>,
+
+    #[diesel(select_expression = recent_crate_downloads::columns::downloads.nullable())]
+    recent_crate_downloads: Option<i64>,
+
+    #[diesel(select_expression = default_versions::columns::num_versions)]
+    num_versions: Option<i32>,
+
+    #[diesel(select_expression = versions::columns::yanked)]
+    yanked: bool,
+
+    #[diesel(select_expression = versions::columns::num)]
+    default_version_num: String,
+
+    #[diesel(select_expression = versions::columns::crate_size)]
+    crate_size: i32,
+
+    #[diesel(select_expression = versions::columns::bin_names)]
+    bin_names: Option<Vec<Option<String>>>,
+
+    #[diesel(select_expression = rev_deps_subquery())]
+    num_rev_deps: i64,
+}
+
+/// Handles the `GET /api/private/admin_list/{username}` endpoint.
+pub async fn list(
+    state: AppState,
+    Path(username): Path<String>,
+    req: Parts,
+) -> AppResult<Json<AdminListResponse>> {
+    let mut conn = state.db_read().await?;
+
+    let auth = AuthCheck::default().check(&req, &mut conn).await?;
+    let logged_in_user = auth.user();
+
+    if !logged_in_user.is_admin {
+        return Err(custom(
+            StatusCode::FORBIDDEN,
+            "must be an admin to use this route",
+        ));
+    }
+
+    let (user, verified, user_email) = users::table
+        .left_join(emails::table)
+        .filter(users::gh_login.eq(username))
+        .select((
+            User::as_select(),
+            emails::verified.nullable(),
+            emails::email.nullable(),
+        ))
+        .first::<(User, Option<bool>, Option<String>)>(&mut conn)
+        .await?;
+
+    let crates: Vec<DatabaseCrateInfo> = CrateOwner::by_owner_kind(OwnerKind::User)
+        .inner_join(crates::table)
+        .left_join(crate_downloads::table.on(crates::id.eq(crate_downloads::crate_id)))
+        .left_join(
+            recent_crate_downloads::table.on(crates::id.eq(recent_crate_downloads::crate_id)),
+        )
+        .inner_join(default_versions::table.on(crates::id.eq(default_versions::crate_id)))
+        .inner_join(versions::table.on(default_versions::version_id.eq(versions::id)))
+        .filter(crate_owners::owner_id.eq(user.id))
+        .select(DatabaseCrateInfo::as_select())
+        .order(crates::name.asc())
+        .load(&mut conn)
+        .await?;
+
+    let crates = crates
+        .into_iter()
+        .map(|database_crate_info| {
+            let DatabaseCrateInfo {
+                name,
+                description,
+                updated_at,
+                downloads,
+                recent_crate_downloads,
+                num_versions,
+                yanked,
+                default_version_num,
+                crate_size,
+                bin_names,
+                num_rev_deps,
+            } = database_crate_info;
+
+            AdminCrateInfo {
+                name,
+                description,
+                updated_at,
+                downloads: downloads.unwrap_or_default()
+                    + recent_crate_downloads.unwrap_or_default(),
+                num_rev_deps,
+                num_versions: num_versions.unwrap_or_default() as usize,
+                yanked,
+                default_version_num,
+                crate_size,
+                bin_names,
+            }
+        })
+        .collect();
+    Ok(Json(AdminListResponse {
+        user_email,
+        user_email_verified: verified.unwrap_or_default(),
+        crates,
+    }))
+}
+
+#[derive(Debug, Serialize)]
+pub struct AdminListResponse {
+    user_email: Option<String>,
+    user_email_verified: bool,
+    crates: Vec<AdminCrateInfo>,
+}
+
+#[derive(Debug, Serialize)]
+pub struct AdminCrateInfo {
+    pub name: String,
+    pub description: Option<String>,
+    pub updated_at: DateTime<Utc>,
+    pub downloads: i64,
+    pub num_rev_deps: i64,
+    pub num_versions: usize,
+    pub yanked: bool,
+    pub default_version_num: String,
+    pub crate_size: i32,
+    pub bin_names: Option<Vec<Option<String>>>,
+}
+
+/// A subquery that returns the number of reverse dependencies of a crate.
+///
+/// **Warning:** this is an incorrect reverse dependencies query, since it
+/// includes the `dependencies` rows for all versions, not just the
+/// "default version" per crate. However, it's good enough for our
+/// purposes here.
+#[diesel::dsl::auto_type]
+fn rev_deps_subquery() -> _ {
+    dependencies::table
+        .select(count_star())
+        .filter(dependencies::crate_id.eq(crates::id))
+        .single_value()
+        .assume_not_null()
+}
diff --git a/src/router.rs b/src/router.rs
index 254c5e8ced3..91d598f0cb5 100644
--- a/src/router.rs
+++ b/src/router.rs
@@ -103,6 +103,8 @@ pub fn build_axum_router(state: AppState) -> Router<()> {
     let mut router = router
         // Metrics
         .route("/api/private/metrics/{kind}", get(metrics::prometheus))
+        // Listing a user's crates for admin/support purposes
+        .route("/api/private/admin_list/{username}", get(admin::list))
         // Alerts from GitHub scanning for exposed API tokens
         .route(
             "/api/github/secret-scanning/verify",
diff --git a/src/tests/mod.rs b/src/tests/mod.rs
index eba892f98a8..6fe0e62148c 100644
--- a/src/tests/mod.rs
+++ b/src/tests/mod.rs
@@ -84,7 +84,6 @@ pub struct OkBool {
     #[allow(dead_code)]
     ok: bool,
 }
-
 #[derive(Deserialize, Debug)]
 pub struct OwnerResp {
     // server must include `ok: true` to support old cargo clients
diff --git a/src/tests/routes/crates/admin.rs b/src/tests/routes/crates/admin.rs
new file mode 100644
index 00000000000..892715d5acd
--- /dev/null
+++ b/src/tests/routes/crates/admin.rs
@@ -0,0 +1,75 @@
+use crate::{
+    schema::users,
+    tests::{
+        builders::{CrateBuilder, VersionBuilder},
+        util::{RequestHelper, TestApp},
+    },
+};
+use diesel::prelude::*;
+use diesel_async::RunQueryDsl;
+use insta::{assert_json_snapshot, assert_snapshot};
+
+#[tokio::test(flavor = "multi_thread")]
+async fn admin_list_by_a_non_admin_fails() {
+    let (_app, anon, user) = TestApp::init().with_user().await;
+
+    let response = anon.admin_list::<()>("anything").await;
+    assert_snapshot!(response.status(), @"403 Forbidden");
+    assert_snapshot!(
+        response.text(),
+        @r#"{"errors":[{"detail":"this action requires authentication"}]}"#
+    );
+
+    let response = user.admin_list::<()>("anything").await;
+    assert_snapshot!(response.status(), @"403 Forbidden");
+    assert_snapshot!(
+        response.text(),
+        @r#"{"errors":[{"detail":"must be an admin to use this route"}]}"#
+    );
+}
+
+#[tokio::test(flavor = "multi_thread")]
+async fn index_include_yanked() -> anyhow::Result<()> {
+    let (app, _anon, user) = TestApp::init().with_user().await;
+    let mut conn = app.db_conn().await;
+    let user = user.as_model();
+
+    let admin = app.db_new_user("admin").await;
+
+    diesel::update(admin.as_model())
+        .set(users::is_admin.eq(true))
+        .execute(&mut conn)
+        .await
+        .unwrap();
+
+    let crate_1 = CrateBuilder::new("unyanked", user.id)
+        .description("My Fun Crate")
+        .downloads(500)
+        .recent_downloads(36)
+        .version(VersionBuilder::new("0.1.0").yanked(true))
+        .version(VersionBuilder::new("1.0.0"))
+        .version(VersionBuilder::new("2.0.0").yanked(true))
+        .expect_build(&mut conn)
+        .await;
+
+    CrateBuilder::new("all_yanked", user.id)
+        .version(VersionBuilder::new("1.0.0").yanked(true))
+        .version(VersionBuilder::new("2.0.0").yanked(true))
+        .expect_build(&mut conn)
+        .await;
+
+    CrateBuilder::new("someone_elses_crate", admin.as_model().id)
+        .version(VersionBuilder::new("1.0.0").dependency(&crate_1, None))
+        .expect_build(&mut conn)
+        .await;
+
+    // Include fully yanked (all versions were yanked) crates
+    let username = &user.gh_login;
+    let response = admin.admin_list::<()>(username).await;
+
+    assert_json_snapshot!(response.json(), {
+        ".crates[].updated_at" => "[datetime]",
+    });
+
+    Ok(())
+}
diff --git a/src/tests/routes/crates/mod.rs b/src/tests/routes/crates/mod.rs
index 2619dcbfb94..a2160a66431 100644
--- a/src/tests/routes/crates/mod.rs
+++ b/src/tests/routes/crates/mod.rs
@@ -1,3 +1,4 @@
+mod admin;
 pub mod downloads;
 mod following;
 mod list;
diff --git a/src/tests/routes/crates/snapshots/crates_io__tests__routes__crates__admin__index_include_yanked.snap b/src/tests/routes/crates/snapshots/crates_io__tests__routes__crates__admin__index_include_yanked.snap
new file mode 100644
index 00000000000..6bc1c1257cb
--- /dev/null
+++ b/src/tests/routes/crates/snapshots/crates_io__tests__routes__crates__admin__index_include_yanked.snap
@@ -0,0 +1,35 @@
+---
+source: src/tests/routes/crates/admin.rs
+expression: response.json()
+snapshot_kind: text
+---
+{
+  "crates": [
+    {
+      "bin_names": null,
+      "crate_size": 0,
+      "default_version_num": "2.0.0",
+      "description": null,
+      "downloads": 0,
+      "name": "all_yanked",
+      "num_rev_deps": 0,
+      "num_versions": 2,
+      "updated_at": "[datetime]",
+      "yanked": true
+    },
+    {
+      "bin_names": null,
+      "crate_size": 0,
+      "default_version_num": "1.0.0",
+      "description": "My Fun Crate",
+      "downloads": 536,
+      "name": "unyanked",
+      "num_rev_deps": 1,
+      "num_versions": 3,
+      "updated_at": "[datetime]",
+      "yanked": false
+    }
+  ],
+  "user_email": "foo@example.com",
+  "user_email_verified": true
+}
diff --git a/src/tests/util.rs b/src/tests/util.rs
index c6f4c3766fc..6b6bfae932f 100644
--- a/src/tests/util.rs
+++ b/src/tests/util.rs
@@ -186,6 +186,12 @@ pub trait RequestHelper {
         self.get_with_query("/api/v1/crates", query).await.good()
     }
 
+    /// Request the JSON used for the admin list page
+    async fn admin_list<T>(&self, owner: &str) -> Response<T> {
+        let url = format!("/api/private/admin_list/{owner}");
+        self.get(&url).await
+    }
+
     /// Publish the crate and run background jobs to completion
     ///
     /// Background jobs will publish to the git index and sync to the HTTP index.