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+---
+name: "Track per-agent token usage for cost visibility and optimisation"
+---
+
+# Story 296: Track per-agent token usage for cost visibility and optimisation
+
+## User Story
+
+As a project owner, I want to see how many tokens each agent consumes per story, so that I can identify expensive operations and optimise token usage across the pipeline.
+
+## Acceptance Criteria
+
+- [ ] Research existing libraries/APIs for monitoring Claude API token usage per session (check Claude Code output, Anthropic SDK usage events, or third-party tools)
+- [ ] Implement per-agent token tracking that captures input tokens, output tokens, and cache tokens for each agent run
+- [ ] Token usage is recorded per story and per agent (e.g. coder-1 on story 293 used X tokens)
+- [ ] Running totals are visible — either via MCP tool, web UI, or both
+- [ ] Historical token usage is persisted so it survives server restarts (e.g. in story files or a separate log)
+- [ ] Data is structured to support later analysis (e.g. which agent types are most expensive, which stories cost the most)
+
+## Out of Scope
+
+- TBD