diff --git a/dist/autofork.js b/dist/autofork.js
index da979a6..e06a70d 100755
--- a/dist/autofork.js
+++ b/dist/autofork.js
@@ -292,6 +292,7 @@ Don't edit anything ${fresh || !config.verify ? "else " : ""}in ${DIR}/ or ${WOR
 If upstream already does what PATCH.md asks, or something close enough that building it would duplicate upstream's own version, write one line saying what upstream does to ${DIR}/${id}/UPSTREAM.md, and the sync leaves the patch out.`;
 }
 var installed = (bin) => run("sh", ["-c", `command -v ${bin}`], ".").ok;
+var entrypoint = !process.env.CLAUDECODE && process.env.CLAUDE_CODE_ENTRYPOINT || "autofork";
 var codexHome = () => process.env.CODEX_HOME ?? join(homedir(), ".codex");
 function agentCommand(config, cap) {
   if (config.agent)
@@ -422,7 +423,7 @@ async function agent(config, build, what, prompt, env) {
   const out = openSync(printed, "w");
   const result = spawnSync("sh", ["-c", command], {
     cwd: dir,
-    env,
+    env: { ...env ?? process.env, CLAUDE_CODE_ENTRYPOINT: entrypoint },
     input: prompt,
     stdio: ["pipe", agent === "custom" ? "inherit" : out, "inherit"]
   });
diff --git a/src/autofork.ts b/src/autofork.ts
index 03a3c3a..bb105ae 100644
--- a/src/autofork.ts
+++ b/src/autofork.ts
@@ -419,6 +419,11 @@ If upstream already does what PATCH.md asks, or something close enough that buil
 
 const installed = (bin: string) => run("sh", ["-c", `command -v ${bin}`], ".").ok;
 
+/* Claude's 5-hour limit drains faster for claude -p's own label than for interactive Claude Code, and
+   a run labeled autofork drains at the interactive rate (pingdotgg/t3code#24649). A label inherited
+   from a Claude Code session autofork runs in is that session's, not the user's */
+const entrypoint = (!process.env.CLAUDECODE && process.env.CLAUDE_CODE_ENTRYPOINT) || "autofork";
+
 const codexHome = () => process.env.CODEX_HOME ?? join(homedir(), ".codex");
 
 function agentCommand(config: Config, cap: number) {
@@ -588,7 +593,7 @@ async function agent(
   const out = openSync(printed, "w");
   const result = spawnSync("sh", ["-c", command], {
     cwd: dir,
-    env,
+    env: { ...(env ?? process.env), CLAUDE_CODE_ENTRYPOINT: entrypoint },
     input: prompt,
     stdio: ["pipe", agent === "custom" ? "inherit" : out, "inherit"],
   });
diff --git a/test/autofork.test.ts b/test/autofork.test.ts
index 64e3ec6..f637a12 100644
--- a/test/autofork.test.ts
+++ b/test/autofork.test.ts
@@ -2331,7 +2331,12 @@ echo '{"type":"result","subtype":"success","is_error":false,"result":"built it",
   };
   wish(mine, "five");
   const { ok, log } = autoforkWith(
-    { ...site, SITE_TOTALS: '{"rebuilds":3,"spent":40}' },
+    {
+      ...site,
+      SITE_TOTALS: '{"rebuilds":3,"spent":40}',
+      CLAUDECODE: "1",
+      CLAUDE_CODE_ENTRYPOINT: "sdk-cli",
+    },
     mine,
     "sync",
   );
@@ -2341,6 +2346,7 @@ echo '{"type":"result","subtype":"success","is_error":false,"result":"built it",
     "-p --dangerously-skip-permissions --output-format json --max-budget-usd 20",
   );
   expect(file(home, "claude-env")).not.toContain("ACTIONS_ID_TOKEN_REQUEST");
+  expect(file(home, "claude-env")).toContain("CLAUDE_CODE_ENTRYPOINT=autofork\n");
   const calls = file(home, "billed-site.log")
     .trim()
     .split("\n")
@@ -2369,11 +2375,18 @@ echo '{"type":"result","subtype":"success","is_error":false,"result":"built it",
 
   wish(mine, "retried");
   const retried = autoforkWith(
-    { ...site, SITE_TOTALS: '{"rebuilds":4,"spent":41.25}', SITE_FAIL_ONCE: "/api/ledger/close" },
+    {
+      ...site,
+      SITE_TOTALS: '{"rebuilds":4,"spent":41.25}',
+      SITE_FAIL_ONCE: "/api/ledger/close",
+      CLAUDECODE: "",
+      CLAUDE_CODE_ENTRYPOINT: "mine",
+    },
     mine,
     "sync",
   );
   expect(retried.log).not.toContain("couldn't report");
+  expect(file(home, "claude-env")).toContain("CLAUDE_CODE_ENTRYPOINT=mine\n");
   expect(file(home, "billed-site.log")).toContain(
     '"path":"/api/ledger/close","auth":"Bearer oidc-autofork","body":{"id":"row-1","status":"done"',
   );