Skill-Routing on Xueping's Bloghttps://hellogxp.github.io/tags/skill-routing/Recent content in Skill-Routing on Xueping's BlogHugoen-usThu, 25 Jun 2026 00:00:00 +0000Compositional Skill Routing: Decomposition Is the Bottleneckhttps://hellogxp.github.io/posts/skill-routing/Thu, 25 Jun 2026 00:00:00 +0000https://hellogxp.github.io/posts/skill-routing/When LLM agents need to chain multiple skills, the hard part isn’t retrieval—it’s decomposition. Oracle experiments reveal a 65-percentage-point gap. SAD (Skill-Aware Decomposition) closes it by correcting granularity, not by boosting model capacity. Context window drops 99.9%.