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Get Started Free →Summarize a chat and draft 2 reply options. Stops before sending.
.claude/skills/cowork-os-usecase-draft-reply/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-21 | ✗→✓ | ▲ Improved | 40% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 154% | 0% |
| case-03 | ✗→✓ | ▲ Improved | 131% | 0% |
| case-07 | ✗→✓ | ▲ Improved | 149% | 0% |
| case-10 | ✗→✓ | ▲ Improved | 18% | 0% |
Summarize a chat and draft 2 reply options. Stops before sending.
| Name | Type | Required | Description | |---|---|---|---| | channel | select | Yes | Which channel to read from | | chat_hint | string | Yes | Name/keyword to identify the chat in channel_list_chats results | | since | string | No | Time window (e.g., "15m", "24h", "7d") | | message_limit | number | No | How many recent messages to fetch | | tone | select | No | Desired tone for the draft |
../usecase-draft-reply.json.| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-21 | fail→pass | 7,991 | 7,879 | -1% | 1 | 1 | 0% | 1,147 | 1,605 | +40% | 0 | 0 | — |
case-01 | fail→fail | 2,845 | 10,583 | +272% | 1 | 1 | 0% | 527 | 1,992 | +278% | 0 | 0 | — |
case-02 | fail→pass | 4,104 | 7,662 | +87% | 1 | 1 | 0% | 655 | 1,663 | +154% | 0 | 0 | — |
case-03 | fail→pass | 3,257 | 5,659 | +74% | 1 | 1 | 0% | 546 | 1,261 | +131% | 0 | 0 | — |
case-04 | pass→pass | 11,824 | 8,061 | -32% | 1 | 1 | 0% | 1,783 | 1,672 | -6% | 0 | 0 | — |
case-05 | pass→pass | 23,862 | 10,553 | -56% | 1 | 1 | 0% | 3,766 | 2,111 | -44% | 0 | 0 | — |
case-06 | pass→pass | 15,623 | 8,433 | -46% | 1 | 1 | 0% | 2,558 | 1,758 | -31% | 0 | 0 | — |
case-07 | fail→pass | 3,372 | 6,027 | +79% | 1 | 1 | 0% | 513 | 1,277 | +149% | 0 | 0 | — |
case-08 | fail→fail | 3,768 | 11,964 | +218% | 1 | 1 | 0% | 633 | 2,211 | +249% | 0 | 0 | — |
case-09 | fail→fail | 3,542 | 7,433 | +110% | 1 | 1 | 0% | 532 | 1,595 | +200% | 0 | 0 | — |
case-10 | fail→pass | 7,654 | 5,866 | -23% | 1 | 1 | 0% | 1,043 | 1,232 | +18% | 0 | 0 | — |
case-11 | fail→pass | 5,181 | 9,227 | +78% | 1 | 1 | 0% | 764 | 1,760 | +130% | 0 | 0 | — |
case-12 | fail→fail | 8,024 | 9,656 | +20% | 1 | 1 | 0% | 1,146 | 1,872 | +63% | 0 | 0 | — |
case-13 | fail→pass | 2,849 | 8,743 | +207% | 1 | 1 | 0% | 396 | 1,694 | +328% | 0 | 0 | — |
case-14 | fail→pass | 7,717 | 8,199 | +6% | 1 | 1 | 0% | 1,102 | 1,597 | +45% | 0 | 0 | — |
case-15 | fail→pass | 5,246 | 11,900 | +127% | 1 | 1 | 0% | 838 | 2,175 | +160% | 0 | 0 | — |
case-16 | fail→pass | 5,789 | 7,313 | +26% | 1 | 1 | 0% | 843 | 1,371 | +63% | 0 | 0 | — |
case-17 | fail→pass | 3,734 | 8,090 | +117% | 1 | 1 | 0% | 551 | 1,580 | +187% | 0 | 0 | — |
case-18 | fail→pass | 5,528 | 6,328 | +14% | 1 | 1 | 0% | 854 | 1,349 | +58% | 0 | 0 | — |
case-19 | fail→pass | 8,981 | 8,708 | -3% | 1 | 1 | 0% | 1,303 | 1,713 | +31% | 0 | 0 | — |
case-20 | fail→fail | 8,117 | 4,982 | -39% | 1 | 1 | 0% | 1,214 | 1,160 | -4% | 0 | 0 | — |
case-22 | fail→pass | 4,715 | 6,927 | +47% | 1 | 1 | 0% | 644 | 1,457 | +126% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +64 percentage points is the difference between those two pass rates over the 22 comparable cases.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.