diff --git a/cmd/pineconesim/main.go b/cmd/pineconesim/main.go
index 9d81de2..37e4218 100644
--- a/cmd/pineconesim/main.go
+++ b/cmd/pineconesim/main.go
@@ -255,6 +255,16 @@ func configureHTTPRouting(log *log.Logger, sim *simulator.Simulator) {
 		log.Printf("WebSocket peer %q connected to sim node %q\n", c.RemoteAddr(), nodeID)
 	})
 
+	http.DefaultServeMux.HandleFunc("/manhole", func(w http.ResponseWriter, r *http.Request) {
+		nodeID := r.URL.Query().Get("node")
+		node := sim.Node(nodeID)
+		if node == nil {
+			w.WriteHeader(404)
+			return
+		}
+		node.SimRouter.ManholeHandler(w, r)
+	})
+
 	http.DefaultServeMux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		_ = template.Must(template.ParseFiles("./cmd/pineconesim/page.html")).Execute(w, "")
 	})
diff --git a/cmd/pineconesim/simulator/adversary/drop_packets.go b/cmd/pineconesim/simulator/adversary/drop_packets.go
index a6f44ab..e8a0772 100644
--- a/cmd/pineconesim/simulator/adversary/drop_packets.go
+++ b/cmd/pineconesim/simulator/adversary/drop_packets.go
@@ -19,6 +19,7 @@ import (
 	"crypto/ed25519"
 	"log"
 	"net"
+	"net/http"
 	"time"
 
 	"github.com/matrix-org/pinecone/router"
@@ -150,6 +151,10 @@ func (a *AdversaryRouter) ConfigureFilterPeer(peer types.PublicKey, rates DropRa
 	a.dropSettings.peers[peer] = rates
 }
 
+func (a *AdversaryRouter) ManholeHandler(w http.ResponseWriter, req *http.Request) {
+	a.rtr.ManholeHandler(w, req)
+}
+
 func (a *AdversaryRouter) updatePacketCounts(from types.PublicKey, frameType types.FrameType) {
 	a.packetsRx.overall.Inc()
 	a.packetsRx.peers[from].overall.Inc()
diff --git a/cmd/pineconesim/simulator/router.go b/cmd/pineconesim/simulator/router.go
index c3fb2fd..10a0791 100644
--- a/cmd/pineconesim/simulator/router.go
+++ b/cmd/pineconesim/simulator/router.go
@@ -17,6 +17,7 @@ package simulator
 import (
 	"context"
 	"net"
+	"net/http"
 	"time"
 
 	"github.com/matrix-org/pinecone/cmd/pineconesim/simulator/adversary"
@@ -33,6 +34,7 @@ type SimRouter interface {
 	Coords() types.Coordinates
 	ConfigureFilterDefaults(rates adversary.DropRates)
 	ConfigureFilterPeer(peer types.PublicKey, rates adversary.DropRates)
+	ManholeHandler(w http.ResponseWriter, req *http.Request)
 }
 
 type DefaultRouter struct {
@@ -62,3 +64,7 @@ func (r *DefaultRouter) Coords() types.Coordinates {
 func (r *DefaultRouter) ConfigureFilterDefaults(rates adversary.DropRates) {}
 
 func (r *DefaultRouter) ConfigureFilterPeer(peer types.PublicKey, rates adversary.DropRates) {}
+
+func (r *DefaultRouter) ManholeHandler(w http.ResponseWriter, req *http.Request) {
+	r.rtr.ManholeHandler(w, req)
+}