docs(mcp): update destination description to mention HTTP, CLI, MOCK types

https://claude.ai/code/session_01Y2eJZgKG78nDyN6Uw2tWQx

Author: claude

pkg/gateway/mcp/tool_help.go

@@ -38,7 +38,7 @@ Current project: %s
 hookdeck_projects        — List or switch projects (actions: list, use)
 hookdeck_connections     — Inspect connections and control delivery flow (actions: list, get, pause, unpause)
 hookdeck_sources         — Inspect inbound sources (actions: list, get)
-hookdeck_destinations    — Inspect delivery destinations (actions: list, get)
+hookdeck_destinations    — Inspect delivery destinations: HTTP, CLI, MOCK (actions: list, get)
 hookdeck_transformations — Inspect JavaScript transformations (actions: list, get)
 hookdeck_requests        — Query inbound requests (actions: list, get, raw_body, events, ignored_events)
 hookdeck_events          — Query processed events (actions: list, get, raw_body)
@@ -94,7 +94,7 @@ Parameters:
   limit   (integer)          — Max results (list, default 100)
   next/prev (string)         — Pagination cursors (list)`,
 
-	"hookdeck_destinations": `hookdeck_destinations — Inspect delivery destinations
+	"hookdeck_destinations": `hookdeck_destinations — Inspect delivery destinations (types: HTTP, CLI, MOCK)
 
 Actions:
   list — List destinations with optional filters

pkg/gateway/mcp/tools.go

@@ -66,7 +66,7 @@ func toolDefs(client *hookdeck.Client) []struct {
 		{
 			tool: &mcpsdk.Tool{
 				Name:        "hookdeck_destinations",
-				Description: "List and inspect delivery destinations (HTTP endpoints where events are sent). Returns destination configuration including URL, authentication, and rate limiting settings.",
+				Description: "List and inspect delivery destinations where events are sent. Destination types include HTTP endpoints, CLI (local development), and MOCK (testing). Returns destination configuration including URL, authentication, and rate limiting settings.",
 				InputSchema: schema(map[string]prop{
 					"action": {Type: "string", Desc: "Action: list or get", Enum: []string{"list", "get"}},
 					"id":     {Type: "string", Desc: "Destination ID (required for get)"},