diff --git a/cmd/waiter/builtin.go b/cmd/waiter/builtin.go
index d091d82..94bae95 100644
--- a/cmd/waiter/builtin.go
+++ b/cmd/waiter/builtin.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
 	"strings"
 )
@@ -28,6 +29,7 @@ Server commands (sent to agent):
   /plugin info <name>      plugin details
   /memory query <text>     query graph memory
   /knowledge               list knowledge base
+  /knowledge delete <name> delete knowledge item
   /agents                  list agents
   /chat <text>             send to agent
 
@@ -64,7 +66,136 @@ Any other text is sent to the agent directly.`)
 		reconnect()
 		return true
 
+	case cmd == "/status":
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/status", "")
+			printJSON(d)
+		} else {
+			state.Send("/status")
+		}
+		return true
+
+	case cmd == "/kernel":
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/kernel", "")
+			printJSON(d)
+		} else {
+			state.Send("/kernel")
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/settings set "):
+		parts := strings.SplitN(cmd[14:], " ", 2)
+		if len(parts) < 2 {
+			fmt.Println("usage: /settings set <key> <value>")
+			return true
+		}
+		if rc := state.RemoteConn(); rc != nil {
+			body := fmt.Sprintf(`{"%s":%q}`, parts[0], parts[1])
+			rc.DoAPI("PUT", "/api/v1/settings", body)
+			fmt.Println("ok")
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/settings"):
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/settings", "")
+			printJSON(d)
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case cmd == "/plugin list":
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/plugins", "")
+			printJSON(d)
+		} else {
+			state.Send("/plugin list")
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/plugin install "):
+		url := strings.TrimSpace(cmd[16:])
+		if rc := state.RemoteConn(); rc != nil {
+			body := fmt.Sprintf(`{"url":%q}`, url)
+			d, _ := rc.DoAPI("POST", "/api/v1/plugins", body)
+			printJSON(d)
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/plugin remove "):
+		name := strings.TrimSpace(cmd[15:])
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("DELETE", "/api/v1/plugins/"+name, "")
+			printJSON(d)
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/plugin info "):
+		name := strings.TrimSpace(cmd[13:])
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/plugins/"+name, "")
+			printJSON(d)
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/memory query "):
+		q := strings.TrimSpace(cmd[14:])
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/memory?query="+q, "")
+			printJSON(d)
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case strings.HasPrefix(cmd, "/knowledge delete "):
+		name := strings.TrimSpace(cmd[18:])
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("DELETE", "/api/v1/knowledge/"+name, "")
+			printJSON(d)
+		} else {
+			state.Send(cmd[1:])
+		}
+		return true
+
+	case cmd == "/knowledge":
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/knowledge", "")
+			printJSON(d)
+		} else {
+			state.Send("/knowledge")
+		}
+		return true
+
+	case cmd == "/agents":
+		if rc := state.RemoteConn(); rc != nil {
+			d, _ := rc.DoAPI("GET", "/api/v1/agents", "")
+			printJSON(d)
+		} else {
+			state.Send("/agents")
+		}
+		return true
+
 	default:
 		return false
 	}
 }
+
+func printJSON(d map[string]interface{}) {
+	if d == nil {
+		fmt.Println("(no data)")
+		return
+	}
+	b, _ := json.MarshalIndent(d, "", "  ")
+	fmt.Println(string(b))
+}
diff --git a/cmd/waiter/conn.go b/cmd/waiter/conn.go
index 61bc1d6..f043ad7 100644
--- a/cmd/waiter/conn.go
+++ b/cmd/waiter/conn.go
@@ -76,19 +76,19 @@ func (c *localConn) Close() error {
 
 func dialRemote(baseURL, apiKey string) (Conn, error) {
 	baseURL = strings.TrimRight(baseURL, "/")
-	return &remoteConn{url: baseURL + "/api/v1/chat", apiKey: apiKey}, nil
+	return &remoteConn{baseURL: baseURL, apiKey: apiKey}, nil
 }
 
 type remoteConn struct {
-	url    string
-	apiKey string
-	mu     sync.Mutex
-	buf    []string
-	closed bool
+	baseURL string
+	apiKey  string
+	mu      sync.Mutex
+	buf     []string
+	closed  bool
 }
 
 func (c *remoteConn) Send(line string) error {
-	req, err := http.NewRequest("POST", c.url, strings.NewReader(
+	req, err := http.NewRequest("POST", c.baseURL+"/api/v1/chat", strings.NewReader(
 		fmt.Sprintf(`{"message":%q}`, line),
 	))
 	if err != nil {
@@ -117,6 +117,31 @@ func (c *remoteConn) Send(line string) error {
 	return nil
 }
 
+func (c *remoteConn) DoAPI(method, path string, body string) (map[string]interface{}, error) {
+	var bodyReader io.Reader
+	if body != "" {
+		bodyReader = strings.NewReader(body)
+	}
+	req, err := http.NewRequest(method, c.baseURL+path, bodyReader)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	if c.apiKey != "" {
+		req.Header.Set("X-API-Key", c.apiKey)
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var result map[string]interface{}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
 func (c *remoteConn) ReadLine() (string, error) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
diff --git a/cmd/waiter/state.go b/cmd/waiter/state.go
index c3a8671..e75be56 100644
--- a/cmd/waiter/state.go
+++ b/cmd/waiter/state.go
@@ -41,6 +41,15 @@ func (s *State) Connected() bool {
 	return s.conn != nil
 }
 
+func (s *State) RemoteConn() *remoteConn {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if rc, ok := s.conn.(*remoteConn); ok {
+		return rc
+	}
+	return nil
+}
+
 func (s *State) Send(line string) error {
 	s.mu.Lock()
 	c := s.conn