diff --git a/CLAUDE.md b/CLAUDE.md
index a42c40b..f8aebc7 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -45,7 +45,8 @@ teleo-codex/
 ├── schemas/                      # How content is structured
 │   ├── claim.md
 │   ├── belief.md
-│   └── position.md
+│   ├── position.md
+│   └── musing.md
 ├── inbox/                        # Source material pipeline
 │   └── archive/                  # Processed sources (tweets, articles) with YAML frontmatter
 ├── skills/                       # Shared operational skills
@@ -87,6 +88,13 @@ Arguable assertions backed by evidence. Live in `core/`, `foundations/`, and `do
 
 Claims feed beliefs. Beliefs feed positions. When claims change, beliefs get flagged for review. When beliefs change, positions get flagged.
 
+### Musings (per-agent exploratory thinking)
+- **Musings** (`agents/{name}/musings/`) — exploratory thinking that hasn't crystallized into claims
+- Upstream of everything: `musing → claim → belief → position`
+- No quality bar, no review required — agents commit directly to their own musings directory
+- Visible to all agents (enables cross-pollination) but not part of the shared knowledge base
+- See `schemas/musing.md` for format and lifecycle
+
 ## Claim Schema
 
 Every claim file has this frontmatter:
diff --git a/agents/clay/musings/.gitkeep b/agents/clay/musings/.gitkeep
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diff --git a/agents/rio/musings/.gitkeep b/agents/rio/musings/.gitkeep
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diff --git a/agents/theseus/musings/.gitkeep b/agents/theseus/musings/.gitkeep
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diff --git a/agents/vida/musings/.gitkeep b/agents/vida/musings/.gitkeep
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