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Get Started Free →Use when you need to control Slack from CoWork-OSS via the slack tool, including reacting to messages or pinning/unpinning items in Slack channels or DMs.
.claude/skills/cowork-os-slack/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-04 | ✓→✓ | ＝ Same ✓ | -33% | 0% |
| case-05 | ✓→✓ | ＝ Same ✓ | -33% | 0% |
| case-06 | ✓→✓ | ＝ Same ✓ | -49% | 0% |
| case-21 | ✗→✗ | ＝ Same ✗ | 55% | 0% |
| case-01 | ✗→✗ | ＝ Same ✗ | -46% | 0% |
Use when you need to control Slack from CoWork-OSS via the slack tool, including reacting to messages or pinning/unpinning items in Slack channels or DMs.
../slack.json.| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-21 | fail→fail | 6,254 | 5,049 | -19% | 1 | 1 | 0% | 396 | 614 | +55% | 0 | 0 | — |
case-01 | fail→fail | 12,019 | 3,106 | -74% | 1 | 1 | 0% | 1,458 | 785 | -46% | 0 | 0 | — |
case-02 | fail→fail | 5,278 | 8,243 | +56% | 1 | 1 | 0% | 764 | 1,178 | +54% | 0 | 0 | — |
case-03 | fail→fail | 7,164 | 7,592 | +6% | 1 | 1 | 0% | 690 | 668 | -3% | 0 | 0 | — |
case-04 | pass→pass | 16,566 | 8,923 | -46% | 1 | 1 | 0% | 2,670 | 1,780 | -33% | 0 | 0 | — |
case-05 | pass→pass | 19,453 | 10,699 | -45% | 1 | 1 | 0% | 2,697 | 1,808 | -33% | 0 | 0 | — |
case-06 | pass→pass | 27,598 | 13,175 | -52% | 1 | 1 | 0% | 4,752 | 2,432 | -49% | 0 | 0 | — |
case-07 | fail→fail | 5,569 | 5,774 | +4% | 1 | 1 | 0% | 514 | 1,133 | +120% | 0 | 0 | — |
case-08 | fail→fail | 4,588 | 5,821 | +27% | 1 | 1 | 0% | 582 | 703 | +21% | 0 | 0 | — |
case-09 | fail→fail | 3,724 | 12,558 | +237% | 1 | 1 | 0% | 517 | 1,576 | +205% | 0 | 0 | — |
case-20 | fail→fail | 4,801 | 4,852 | +1% | 1 | 1 | 0% | 317 | 684 | +116% | 0 | 0 | — |
case-10 | fail→fail | 4,616 | 8,774 | +90% | 1 | 1 | 0% | 612 | 1,444 | +136% | 0 | 0 | — |
case-11 | fail→fail | 3,987 | 4,724 | +18% | 1 | 1 | 0% | 609 | 1,048 | +72% | 0 | 0 | — |
case-12 | fail→fail | 8,250 | 5,302 | -36% | 1 | 1 | 0% | 440 | 621 | +41% | 0 | 0 | — |
case-13 | fail→fail | 6,789 | 10,106 | +49% | 1 | 1 | 0% | 637 | 1,441 | +126% | 0 | 0 | — |
case-14 | fail→fail | 3,669 | 7,040 | +92% | 1 | 1 | 0% | 239 | 714 | +199% | 0 | 0 | — |
case-15 | fail→fail | 4,630 | 5,735 | +24% | 1 | 1 | 0% | 647 | 1,195 | +85% | 0 | 0 | — |
case-16 | fail→fail | 7,376 | 5,610 | -24% | 1 | 1 | 0% | 1,090 | 630 | -42% | 0 | 0 | — |
case-17 | fail→fail | 5,435 | 7,251 | +33% | 1 | 1 | 0% | 306 | 690 | +125% | 0 | 0 | — |
case-18 | fail→fail | 6,165 | 10,948 | +78% | 1 | 1 | 0% | 943 | 2,108 | +124% | 0 | 0 | — |
case-19 | fail→fail | 4,540 | 9,407 | +107% | 1 | 1 | 0% | 710 | 935 | +32% | 0 | 0 | — |
case-22 | fail→fail | 2,676 | 4,672 | +75% | 1 | 1 | 0% | 439 | 630 | +44% | 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, and 12 counted toward the lift figure. The other 10 produced results that are not comparable between the two arms, so they are excluded from the headline rather than averaged into it. The headline lift of 0 percentage points is the difference between those two pass rates over the 12 comparable cases. 1 case got worse with the skill loaded, and it is included in that figure.
Other measured skills in the registry, with their headline benchmark lift.