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+---
+name: "rebuild_and_restart MCP tool does not rebuild"
+agent: coder-opus
+---
+
+# Bug 289: rebuild_and_restart MCP tool does not rebuild
+
+## Description
+
+The rebuild_and_restart MCP tool re-execs the server binary but does not run cargo build first. It restarts with the old binary, so code changes are not picked up.
+
+## How to Reproduce
+
+1. Make a code change to the server
+2. Call rebuild_and_restart via MCP
+3. Observe the server restarts but the code change is not reflected
+
+## Actual Result
+
+Server re-execs with the old binary. Code changes are not compiled.
+
+## Expected Result
+
+Server runs cargo build --release (or cargo build) before re-execing, so the new binary includes the latest code changes.
+
+## Acceptance Criteria
+
+- [ ] Bug is fixed and verified