diff --git a/hermes_cli/commands.py b/hermes_cli/commands.py
index 7160c16f9d..b40522a7b3 100644
--- a/hermes_cli/commands.py
+++ b/hermes_cli/commands.py
@@ -148,8 +148,7 @@ COMMAND_REGISTRY: list[CommandDef] = [
     CommandDef("cron", "Manage scheduled tasks", "Tools & Skills",
                cli_only=True, args_hint="[subcommand]",
                subcommands=("list", "add", "create", "edit", "pause", "resume", "run", "remove")),
-    CommandDef("reload", "Reload .env variables into the running session", "Tools & Skills",
-               cli_only=True),
+    CommandDef("reload", "Reload .env variables into the running session", "Tools & Skills"),
     CommandDef("reload-mcp", "Reload MCP servers from config", "Tools & Skills",
                aliases=("reload_mcp",)),
     CommandDef("browser", "Connect browser tools to your live Chrome via CDP", "Tools & Skills",
diff --git a/tests/test_tui_gateway_server.py b/tests/test_tui_gateway_server.py
index 1c8eecf060..dacc55df5b 100644
--- a/tests/test_tui_gateway_server.py
+++ b/tests/test_tui_gateway_server.py
@@ -3448,3 +3448,39 @@ def test_config_set_indicator_none_keeps_blank_repr(monkeypatch):
     )
     assert "error" in resp
     assert "unknown indicator: ''" in resp["error"]["message"]
+
+
+# ── reload.env ───────────────────────────────────────────────────────
+
+
+def test_reload_env_rpc_calls_hermes_cli_reload_env(monkeypatch):
+    """reload.env mirrors classic CLI's `/reload` — re-reads ~/.hermes/.env
+    into the gateway process and reports the count of vars updated."""
+    calls = {"n": 0}
+
+    def _fake_reload():
+        calls["n"] += 1
+        return 7
+
+    fake = types.SimpleNamespace(reload_env=_fake_reload)
+    with patch.dict(sys.modules, {"hermes_cli.config": fake}):
+        resp = server.handle_request(
+            {"id": "1", "method": "reload.env", "params": {}}
+        )
+
+    assert resp["result"] == {"updated": 7}
+    assert calls["n"] == 1
+
+
+def test_reload_env_rpc_surfaces_errors(monkeypatch):
+    def _broken():
+        raise RuntimeError("env path locked")
+
+    fake = types.SimpleNamespace(reload_env=_broken)
+    with patch.dict(sys.modules, {"hermes_cli.config": fake}):
+        resp = server.handle_request(
+            {"id": "1", "method": "reload.env", "params": {}}
+        )
+
+    assert "error" in resp
+    assert "env path locked" in resp["error"]["message"]
diff --git a/tui_gateway/server.py b/tui_gateway/server.py
index e5fda15a5c..377ed64a58 100644
--- a/tui_gateway/server.py
+++ b/tui_gateway/server.py
@@ -3429,6 +3429,26 @@ def _(rid, params: dict) -> dict:
         return _err(rid, 5015, str(e))
 
 
+@method("reload.env")
+def _(rid, params: dict) -> dict:
+    """Re-read ~/.hermes/.env into the gateway process — TUI parity with
+    classic CLI's ``/reload`` (cli.py).  Newly added API keys take effect
+    on the next agent call without restarting the TUI.
+
+    The credential pool / provider routing for any *already-constructed*
+    agent does not auto-rebuild — that's the same behaviour as classic
+    CLI's ``/reload``.  Users who want a brand-new credential resolution
+    should follow with ``/new``.
+    """
+    try:
+        from hermes_cli.config import reload_env
+
+        count = reload_env()
+        return _ok(rid, {"updated": int(count)})
+    except Exception as e:
+        return _err(rid, 5015, str(e))
+
+
 _TUI_HIDDEN: frozenset[str] = frozenset(
     {
         "sethome",
diff --git a/ui-tui/src/__tests__/createSlashHandler.test.ts b/ui-tui/src/__tests__/createSlashHandler.test.ts
index db5e37347a..3ec340b8a2 100644
--- a/ui-tui/src/__tests__/createSlashHandler.test.ts
+++ b/ui-tui/src/__tests__/createSlashHandler.test.ts
@@ -194,6 +194,7 @@ describe('createSlashHandler', () => {
     ['/browser status', 'browser.manage', { action: 'status', session_id: null }],
     ['/browser connect', 'browser.manage', { action: 'connect', session_id: null, url: 'http://127.0.0.1:9222' }],
     ['/reload-mcp', 'reload.mcp', { session_id: null }],
+    ['/reload', 'reload.env', {}],
     ['/stop', 'process.stop', {}],
     ['/fast status', 'config.get', { key: 'fast', session_id: null }],
     ['/busy status', 'config.get', { key: 'busy' }],
diff --git a/ui-tui/src/app/slash/commands/ops.ts b/ui-tui/src/app/slash/commands/ops.ts
index 21cd52b341..7353f6fb4d 100644
--- a/ui-tui/src/app/slash/commands/ops.ts
+++ b/ui-tui/src/app/slash/commands/ops.ts
@@ -2,6 +2,7 @@ import type {
   BrowserManageResponse,
   DelegationPauseResponse,
   ProcessStopResponse,
+  ReloadEnvResponse,
   ReloadMcpResponse,
   RollbackDiffResponse,
   RollbackListResponse,
@@ -89,6 +90,24 @@ export const opsCommands: SlashCommand[] = [
     }
   },
 
+  {
+    help: 're-read ~/.hermes/.env into the running gateway (CLI parity)',
+    name: 'reload',
+    run: (_arg, ctx) => {
+      ctx.gateway
+        .rpc<ReloadEnvResponse>('reload.env', {})
+        .then(
+          ctx.guarded<ReloadEnvResponse>(r => {
+            const n = Number(r.updated ?? 0)
+            const noun = n === 1 ? 'var' : 'vars'
+
+            ctx.transcript.sys(`reloaded .env (${n} ${noun} updated)`)
+          })
+        )
+        .catch(ctx.guardedErr)
+    }
+  },
+
   {
     help: 'manage browser CDP connection [connect|disconnect|status]',
     name: 'browser',
diff --git a/ui-tui/src/gatewayTypes.ts b/ui-tui/src/gatewayTypes.ts
index 8a518e385e..1f43096340 100644
--- a/ui-tui/src/gatewayTypes.ts
+++ b/ui-tui/src/gatewayTypes.ts
@@ -308,6 +308,10 @@ export interface ReloadMcpResponse {
   status?: string
 }
 
+export interface ReloadEnvResponse {
+  updated?: number
+}
+
 export interface ProcessStopResponse {
   killed?: number
 }