diff --git a/TODO.md b/TODO.md
index bbf827e..8c1a36d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -8,6 +8,12 @@ Importance:
 
 - Benchmarking
   - Benchmark and compare common timeseries DBs with our data and our queries (N)
+- Web interface
+  - Provide simple http endpoint with a status and debug view (Start with Basic
+    Authentication)
+- Configuration
+  - Consolidate configuration with cc-backend, remove redundant information
+  - Support to receive configuration via NATS channel
 - Memory management
   - To overcome garbage collection overhead: Reimplement in Rust (N)
   - Request memory directly batchwise via mmap (started in branch) (W)
@@ -21,6 +27,7 @@ Importance:
   - Binary checkpoints (started in branch) (W)
 - API
   - Redesign query interface (N)
+  - Provide an endpoint for node health based on received metric data (I)
   - Introduce JWT authentication for REST and NATS (I)
 - Testing
   - General tests (I)
@@ -32,6 +39,10 @@ Importance:
   - Only the head-buffer needs to be fully traversed (N)
   - If aggregating over hwthreads/cores/sockets cache those results and reuse
     some of that for new queries aggregating only over the newer data (W)
+- Core functionality
+  - Implement a health checker component that provides information to the web
+    interface and REST API (I)
+  - Support units for metrics including to request unit conversions (I)
 - Compression
   - Enable compression for http API requests (N)
   - Enable compression for checkpoints/archive (I)