diff --git a/.agents/skills/crabbox/SKILL.md b/.agents/skills/crabbox/SKILL.md
index 78d6d23c0b9..b40a3bc0089 100644
--- a/.agents/skills/crabbox/SKILL.md
+++ b/.agents/skills/crabbox/SKILL.md
@@ -17,6 +17,9 @@ runner class, reusable warm state, or a Blacksmith alternative.
 - Use Crabbox for broad OpenClaw gates when owned AWS/Hetzner capacity is the
   right remote lane.
 - Check `.crabbox.yaml` for repo defaults before adding flags.
+- Sanity-check the selected binary before remote work. OpenClaw scripts prefer
+  `../crabbox/bin/crabbox` when present; the user PATH shim can be stale:
+  `command -v crabbox; ../crabbox/bin/crabbox --version; ../crabbox/bin/crabbox --help | sed -n '1,90p'`.
 - Install with `brew install openclaw/tap/crabbox`; auth is required before use:
   `printf '%s' "$CRABBOX_COORDINATOR_TOKEN" | crabbox login --url https://crabbox-coordinator.steipete.workers.dev --provider aws --token-stdin`.
 - On macOS the user config is `~/Library/Application Support/crabbox/config.yaml`;
@@ -24,23 +27,18 @@ runner class, reusable warm state, or a Blacksmith alternative.
 
 ## OpenClaw Flow
 
-Warm a reusable box:
+AWS/owned-capacity flow for `pnpm` tests:
 
 ```sh
 pnpm crabbox:warmup -- --idle-timeout 90m
-```
-
-Hydrate it through the repository workflow:
-
-```sh
 pnpm crabbox:hydrate -- --id <cbx_id-or-slug>
+pnpm crabbox:run -- --id <cbx_id-or-slug> --timing-json --shell -- "env NODE_OPTIONS=--max-old-space-size=4096 OPENCLAW_TEST_PROJECTS_PARALLEL=6 OPENCLAW_VITEST_MAX_WORKERS=1 OPENCLAW_VITEST_NO_OUTPUT_TIMEOUT_MS=900000 pnpm test:changed"
 ```
 
-Run broad proof:
+Blacksmith-backed Crabbox flow can delegate setup to the Testbox workflow:
 
 ```sh
-pnpm crabbox:run -- --id <cbx_id-or-slug> --shell "OPENCLAW_TESTBOX=1 pnpm check:changed"
-pnpm crabbox:run -- --id <cbx_id-or-slug> --shell "corepack enable && pnpm install --frozen-lockfile && pnpm test"
+pnpm crabbox:run -- --provider blacksmith-testbox --blacksmith-org openclaw --blacksmith-workflow .github/workflows/ci-check-testbox.yml --blacksmith-job check --blacksmith-ref main --idle-timeout 90m --timing-json --shell -- "env NODE_OPTIONS=--max-old-space-size=4096 OPENCLAW_TEST_PROJECTS_PARALLEL=6 OPENCLAW_VITEST_MAX_WORKERS=1 OPENCLAW_VITEST_NO_OUTPUT_TIMEOUT_MS=900000 pnpm test:changed"
 ```
 
 Stop boxes you created before handoff:
@@ -63,6 +61,8 @@ crabbox ssh --id <id-or-slug>
 ```
 
 Use `--debug` on `run` when measuring sync timing.
+Use `--timing-json` on warmup, hydrate, and run when comparing AWS and
+blacksmith-testbox timings.
 
 ## Hydration Boundary