diff --git a/.env.example b/.env.example
index d083cd0..a46d5ef 100644
--- a/.env.example
+++ b/.env.example
@@ -6,3 +6,12 @@ SUPERVISOR_MODELS_FILE=./config/models.yaml
 # LiteLLM gateway (iguana)
 LITELLM_BASE_URL=http://iguana:4000
 LITELLM_API_KEY=your-litellm-master-key
+
+# Ingestion server
+INGEST_BASE_URL=http://localhost:3300
+INGEST_PORT=3300
+INGEST_BRAIN_DIR=./brain
+
+# Brain directories
+SUPERVISOR_SESSIONS_DIR=./brain/sessions
+SUPERVISOR_BRAIN_DIR=./brain
diff --git a/cmd/supervisor/main.go b/cmd/supervisor/main.go
index d3d61c7..a57494c 100644
--- a/cmd/supervisor/main.go
+++ b/cmd/supervisor/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"log/slog"
 	"net/http"
 	"os"
@@ -9,7 +10,12 @@ import (
 	iexec "github.com/mathiasbq/supervisor/internal/exec"
 	"github.com/mathiasbq/supervisor/internal/mcp"
 	"github.com/mathiasbq/supervisor/internal/registry"
+	"github.com/mathiasbq/supervisor/internal/skills/brain"
+	"github.com/mathiasbq/supervisor/internal/skills/org"
+	"github.com/mathiasbq/supervisor/internal/skills/retrospective"
+	"github.com/mathiasbq/supervisor/internal/skills/sessionlog"
 	"github.com/mathiasbq/supervisor/internal/skills/tdd"
+	"github.com/mathiasbq/supervisor/internal/tier"
 )
 
 func main() {
@@ -39,12 +45,22 @@ func main() {
 		os.Exit(1)
 	}
 
+	retroPrompt, err := os.ReadFile(cfg.ConfigDir + "/retrospective.md")
+	if err != nil {
+		logger.Error("read retrospective.md", "path", cfg.ConfigDir+"/retrospective.md", "err", err)
+		os.Exit(1)
+	}
+
 	executor := iexec.New(iexec.Config{
 		SystemPrompt:   string(systemPrompt),
 		LiteLLMBaseURL: cfg.LiteLLMBaseURL,
 		LiteLLMAPIKey:  cfg.LiteLLMAPIKey,
 	})
 
+	tierFn := func(ctx context.Context) tier.Info {
+		return tier.Detect(ctx, "https://api.anthropic.com", cfg.LiteLLMBaseURL)
+	}
+
 	reg := registry.New()
 	reg.Register(tdd.New(tdd.Config{
 		SystemPrompt: string(systemPrompt),
@@ -52,6 +68,21 @@ func main() {
 		DefaultModel: models.Resolve("tdd", ""),
 		ExecutorFn:   executor.Run,
 	}))
+	reg.Register(brain.New(brain.Config{
+		IngestBaseURL: cfg.IngestBaseURL,
+	}))
+	reg.Register(org.New(org.Config{
+		TierFn: tierFn,
+	}))
+	reg.Register(sessionlog.New(sessionlog.Config{
+		SessionsDir: cfg.SessionsDir,
+	}))
+	reg.Register(retrospective.New(retrospective.Config{
+		SkillPrompt:  string(retroPrompt),
+		DefaultModel: models.Resolve("retrospective", ""),
+		SessionsDir:  cfg.SessionsDir,
+		ExecutorFn:   executor.Run,
+	}))
 
 	srv := mcp.NewServer(reg)
 	mux := http.NewServeMux()
diff --git a/config/models.yaml b/config/models.yaml
index cc3d63c..f26fb9b 100644
--- a/config/models.yaml
+++ b/config/models.yaml
@@ -5,6 +5,7 @@
 default: ollama/qwen3-coder-30b-tuned
 
 skills:
-  tdd:    ollama/qwen3-coder-30b-tuned
-  review: ollama/devstral-tuned
-  debug:  ollama/deepseek-r1-tuned
+  tdd:           ollama/qwen3-coder-30b-tuned
+  review:        ollama/devstral-tuned
+  debug:         ollama/deepseek-r1-tuned
+  retrospective: ollama/qwen3-coder-30b-tuned
diff --git a/internal/config/config.go b/internal/config/config.go
index d788d0a..2a7ff3f 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -8,6 +8,9 @@ type Config struct {
 	LiteLLMAPIKey  string // LITELLM_API_KEY
 	ConfigDir      string // SUPERVISOR_CONFIG_DIR, default ./config/supervisor
 	ModelsFile     string // SUPERVISOR_MODELS_FILE, default <ConfigDir>/../models.yaml
+	IngestBaseURL  string // INGEST_BASE_URL, default http://localhost:3300
+	SessionsDir    string // SUPERVISOR_SESSIONS_DIR, default ./brain/sessions
+	BrainDir       string // SUPERVISOR_BRAIN_DIR, default ./brain
 }
 
 func Load() (Config, error) {
@@ -18,6 +21,9 @@ func Load() (Config, error) {
 		ConfigDir:      envOr("SUPERVISOR_CONFIG_DIR", "./config/supervisor"),
 	}
 	cfg.ModelsFile = envOr("SUPERVISOR_MODELS_FILE", cfg.ConfigDir+"/../models.yaml")
+	cfg.IngestBaseURL = envOr("INGEST_BASE_URL", "http://localhost:3300")
+	cfg.SessionsDir = envOr("SUPERVISOR_SESSIONS_DIR", "./brain/sessions")
+	cfg.BrainDir = envOr("SUPERVISOR_BRAIN_DIR", "./brain")
 	return cfg, nil
 }
 
diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index 1b9ac32..f3c7ec9 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -13,12 +13,18 @@ func TestLoadDefaults(t *testing.T) {
 	t.Setenv("LITELLM_BASE_URL", "")
 	t.Setenv("LITELLM_API_KEY", "")
 	t.Setenv("SUPERVISOR_CONFIG_DIR", "")
+	t.Setenv("INGEST_BASE_URL", "")
+	t.Setenv("SUPERVISOR_SESSIONS_DIR", "")
+	t.Setenv("SUPERVISOR_BRAIN_DIR", "")
 
 	cfg, err := config.Load()
 	require.NoError(t, err)
 	assert.Equal(t, "3200", cfg.Port)
 	assert.Equal(t, "http://iguana:4000", cfg.LiteLLMBaseURL)
 	assert.Equal(t, "./config/supervisor", cfg.ConfigDir)
+	assert.Equal(t, "http://localhost:3300", cfg.IngestBaseURL)
+	assert.Equal(t, "./brain/sessions", cfg.SessionsDir)
+	assert.Equal(t, "./brain", cfg.BrainDir)
 }
 
 func TestLoadFromEnv(t *testing.T) {