diff --git a/system/adapter/adapter.go b/system/adapter/adapter.go
index bc4f194..71bedce 100644
--- a/system/adapter/adapter.go
+++ b/system/adapter/adapter.go
@@ -1,6 +1,21 @@
 package adapter
 
+type Capabilities []Capability
+
 type Capability struct {
 	ID   string
 	Name string
 }
+
+func (caps *Capabilities) IsCapableOf(capability string) bool {
+	var can bool = false
+
+	for _, capb := range *caps {
+		if capb.ID == capability {
+			can = true
+			break
+		}
+	}
+
+	return can
+}
diff --git a/system/all/all.go b/system/all/all.go
index 27ecdab..159e226 100644
--- a/system/all/all.go
+++ b/system/all/all.go
@@ -35,7 +35,7 @@ func (sys *System) SetLogger(logger *zap.SugaredLogger) {
 	sys.logger = logger
 }
 
-func (sys *System) GetCapabilities() []adapter.Capability {
+func (sys *System) GetCapabilities() adapter.Capabilities {
 	var caps []adapter.Capability
 
 	return caps
diff --git a/system/discourse/discourse.go b/system/discourse/discourse.go
index 519ee83..6f86450 100644
--- a/system/discourse/discourse.go
+++ b/system/discourse/discourse.go
@@ -46,7 +46,7 @@ func (sys *System) SetLogger(logger *zap.SugaredLogger) {
 	sys.logger = logger
 }
 
-func (sys *System) GetCapabilities() []adapter.Capability {
+func (sys *System) GetCapabilities() adapter.Capabilities {
 	var caps []adapter.Capability
 
 	caps = append(caps,
diff --git a/system/hackernews/hackernews.go b/system/hackernews/hackernews.go
index 6182bea..293955a 100644
--- a/system/hackernews/hackernews.go
+++ b/system/hackernews/hackernews.go
@@ -44,7 +44,7 @@ func (sys *System) SetLogger(logger *zap.SugaredLogger) {
 	sys.logger = logger
 }
 
-func (sys *System) GetCapabilities() []adapter.Capability {
+func (sys *System) GetCapabilities() adapter.Capabilities {
 	var caps []adapter.Capability
 
 	caps = append(caps,
diff --git a/system/lemmy/lemmy.go b/system/lemmy/lemmy.go
index d7d6e95..099952d 100644
--- a/system/lemmy/lemmy.go
+++ b/system/lemmy/lemmy.go
@@ -45,7 +45,7 @@ func (sys *System) SetLogger(logger *zap.SugaredLogger) {
 	sys.logger = logger
 }
 
-func (sys *System) GetCapabilities() []adapter.Capability {
+func (sys *System) GetCapabilities() adapter.Capabilities {
 	var caps []adapter.Capability
 
 	caps = append(caps,
diff --git a/system/system.go b/system/system.go
index 91478d7..5e0ae28 100644
--- a/system/system.go
+++ b/system/system.go
@@ -19,7 +19,7 @@ type System interface {
 	GetConfig() map[string]interface{}
 	SetConfig(cfg *map[string]interface{})
 	SetLogger(logger *zap.SugaredLogger)
-	GetCapabilities() []adapter.Capability
+	GetCapabilities() adapter.Capabilities
 
 	FilterValue() string
 	Title() string