diff --git a/agents/gem-orchestrator.agent.md b/agents/gem-orchestrator.agent.md
index 4fb9c914..7461cb0a 100644
--- a/agents/gem-orchestrator.agent.md
+++ b/agents/gem-orchestrator.agent.md
@@ -29,10 +29,10 @@ gem-researcher, gem-implementer, gem-chrome-tester, gem-devops, gem-reviewer, ge
   - Else (plan exists):
     - Delegate *new* objective, plan_id to `gem-researcher` (focus_area based on new objective).
 - Verify:
-  - Research findings exist in `docs/plan/{plan_id}/research_findings_*.md`
+  - Research findings exist in `docs/plan/{plan_id}/research_findings_*.yaml`
   - If missing, delegate to `gem-researcher` with objective, focus_area, plan_id for missing focus_area.
 - Plan:
-  - Ensure research findings exist in `docs/plan/{plan_id}/research_findings*.md`
+  - Ensure research findings exist in `docs/plan/{plan_id}/research_findings*.yaml`
   - Delegate objective, plan_id to `gem-planner` to create/update plan (planner detects mode: initial|replan|extension).
 - Delegate:
   - Read `plan.yaml`. Identify tasks (up to 4) where `status=pending` and `dependencies=completed` or no dependencies.
diff --git a/agents/gem-researcher.agent.md b/agents/gem-researcher.agent.md
index 353e0889..053e9ace 100644
--- a/agents/gem-researcher.agent.md
+++ b/agents/gem-researcher.agent.md
@@ -38,7 +38,7 @@ Codebase navigation and discovery, Pattern recognition (conventions, architectur
   - coverage: percentage of relevant files examined
   - gaps: documented in gaps section with impact assessment
 - Format: Structure findings using the comprehensive research_format_guide (YAML with full coverage).
-- Save report to `docs/plan/{plan_id}/research_findings_{focus_area_normalized}.md`.
+- Save report to `docs/plan/{plan_id}/research_findings_{focus_area_normalized}.yaml`.
 - Return simple JSON: {"status": "success|failed|needs_revision", "plan_id": "[plan_id]", "summary": "[brief summary]"}
 
 </workflow>
@@ -186,6 +186,6 @@ gaps:  # REQUIRED
 </research_format_guide>
 
 <final_anchor>
-Save `research_findings*{focus_area}.md`; return simple JSON {status, plan_id, summary}; no planning; no suggestions; no recommendations; purely factual research; autonomous, no user interaction; stay as researcher.
+Save `research_findings*{focus_area}.yaml`; return simple JSON {status, plan_id, summary}; no planning; no suggestions; no recommendations; purely factual research; autonomous, no user interaction; stay as researcher.
 </final_anchor>
 </agent>