diff --git a/modules/gitea/client.ts b/modules/gitea/client.ts
index 76e6a285..9aedbbad 100644
--- a/modules/gitea/client.ts
+++ b/modules/gitea/client.ts
@@ -244,13 +244,23 @@ export class GiteaClient {
     return all;
   }
 
+  /** A repository, created under the tools' own user, or with `owner` in that organisation (novox/hq issue 1124).
+   *  The forge's refusal to create in an organisation (403 not allowed, 404 no such organisation, 409 exists) is
+   *  thrown with its status and its reason, naming the organisation. */
   async createRepo(data: {
     name: string;
     description?: string;
     private?: boolean;
     auto_init?: boolean;
-  }): Promise<GiteaRepo> {
-    return GiteaClient.mapRepo(await this.request<any>("/user/repos", { method: "POST", body: JSON.stringify(data) }));
+  }, owner?: string): Promise<GiteaRepo> {
+    const options = { method: "POST", body: JSON.stringify(data) };
+    if (owner === undefined) return GiteaClient.mapRepo(await this.request<any>("/user/repos", options));
+    const path = `/orgs/${pathSegment("organisation", owner)}/repos`;
+    try {
+      return GiteaClient.mapRepo(await this.request<any>(path, options));
+    } catch (e) {
+      throw new Error(`the forge did not create ${owner}/${data.name} in the organisation ${owner}: ${(e as Error).message}`);
+    }
   }
 
   async deleteRepo(owner: string, repo: string): Promise<void> {
diff --git a/modules/gitea/tools/index.ts b/modules/gitea/tools/index.ts
index 37fd2a6f..772a124e 100644
--- a/modules/gitea/tools/index.ts
+++ b/modules/gitea/tools/index.ts
@@ -82,8 +82,10 @@ function allGiteaTools(gitea: GiteaClient, admin?: () => GiteaAdmin): ToolDefini
     },
     {
       name: "gitea_create_repo",
-      description: "Create a repository owned by the authenticated user.",
+      description: "Create a repository: with owner, in that organisation (the forge's refusal said with its status " +
+        "and reason); without owner, under the tools' own user.",
       input: {
+        owner: { type: "string", description: "an organisation to create the repository in (default: the tools' own user)" },
         name: { type: "string", description: "the repository name" },
         description: { type: "string", description: "an optional description" },
         private: { type: "boolean", description: "private repo (default true)" },
@@ -95,7 +97,7 @@ function allGiteaTools(gitea: GiteaClient, admin?: () => GiteaAdmin): ToolDefini
           description: args.description ? String(args.description) : undefined,
           private: args.private === undefined ? true : Boolean(args.private),
           auto_init: args.auto_init === undefined ? true : Boolean(args.auto_init),
-        });
+        }, args.owner === undefined ? undefined : String(args.owner));
         return { repo };
       },
     },