diff --git a/entity/queue_config.go b/entity/queue_config.go
index 9e042921..2d00f5fd 100644
--- a/entity/queue_config.go
+++ b/entity/queue_config.go
@@ -7,38 +7,30 @@ package entity
 type QueueConfig struct {
 	// Name uniquely identifies this queue within the system.
 	// Referenced by Request.Queue.
-	Name string
+	Name string `json:"name" yaml:"name"`
 
 	// VCSType identifies the version control system (e.g., "git", "svn", "perforce").
 	// A queue operates on exactly one VCS.
-	VCSType string
+	VCSType string `json:"vcs_type" yaml:"vcs_type"`
 
 	// VCSAddress identifies the repository in the version control system.
 	// The format is VCS-specific:
 	//   - Git: remote URL (e.g., "git@github.com:uber/submitqueue.git")
 	//   - Perforce: depot path (e.g., "//depot/project")
 	//   - SVN: repository URL (e.g., "https://svn.example.com/repos/project")
-	VCSAddress string
+	VCSAddress string `json:"vcs_address" yaml:"vcs_address"`
 
 	// Target is the landing target where changes are merged.
 	// The format is VCS-specific:
 	//   - Git: branch ref (e.g., "main", "release/v2")
 	//   - Perforce: stream or depot path (e.g., "//depot/main/...")
 	//   - SVN: repository path (e.g., "trunk/")
-	Target string
-}
+	Target string `json:"target" yaml:"target"`
 
-// NewQueueConfig creates a new QueueConfig with the given parameters.
-func NewQueueConfig(
-	name string,
-	vcsType string,
-	vcsAddress string,
-	target string,
-) QueueConfig {
-	return QueueConfig{
-		Name:       name,
-		VCSType:    vcsType,
-		VCSAddress: vcsAddress,
-		Target:     target,
-	}
+	// BuildRunner identifies the CI pipeline or job that runs builds for this queue.
+	// Opaque to the system; meaningful only to the build extension implementation.
+	// Examples:
+	//   - Buildkite: "buildkite.com/uber/submitqueue-ci"
+	//   - Jenkins: "jenkins.example.com/job/submitqueue-verify"
+	BuildRunner string `json:"build_runner" yaml:"build_runner"`
 }
diff --git a/entity/queue_config_test.go b/entity/queue_config_test.go
index 3e181656..98a71f37 100644
--- a/entity/queue_config_test.go
+++ b/entity/queue_config_test.go
@@ -6,11 +6,18 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestNewQueueConfig(t *testing.T) {
-	cfg := NewQueueConfig("uber/submitqueue/main", "git", "git@github.com:uber/submitqueue.git", "main")
+func TestQueueConfig(t *testing.T) {
+	cfg := QueueConfig{
+		Name:         "uber/submitqueue/main",
+		VCSType:      "git",
+		VCSAddress:   "git@github.com:uber/submitqueue.git",
+		Target:       "main",
+		BuildRunner:  "buildkite.com/uber/submitqueue-ci",
+	}
 
 	assert.Equal(t, "uber/submitqueue/main", cfg.Name)
 	assert.Equal(t, "git", cfg.VCSType)
 	assert.Equal(t, "git@github.com:uber/submitqueue.git", cfg.VCSAddress)
 	assert.Equal(t, "main", cfg.Target)
+	assert.Equal(t, "buildkite.com/uber/submitqueue-ci", cfg.BuildRunner)
 }