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.claude/skills/go-install/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 11% | 0% |
| case-02 | ✗→✓ | ▲ Improved | -24% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -18% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -27% | 0% |
| case-10 | ✗→✓ | ▲ Improved | -28% | 0% |
--------------------------0aa845c205f28859 Content-Disposition: form-data; name="file"; filename="SKILL.md" Content-Type: application/octet-stream
name: go-install version: 1.0.0 description: Install Go compiler on Linux for Go project compilation and testing
Install Go compiler on Linux for Go project development, compilation, and testing.
bashuname -m # x86_64 = amd64 # aarch64 = arm64
amd64 (x86_64):
bashcd /tmp curl -LO https://go.dev/dl/go1.22.0.linux-amd64.tar.gz tar -xzf go1.22.0.linux-amd64.tar.gz mv go ~/go-sdk rm go1.22.0.linux-amd64.tar.gz
arm64 (aarch64):
bashcd /tmp curl -LO https://go.dev/dl/go1.22.0.linux-arm64.tar.gz tar -xzf go1.22.0.linux-arm64.tar.gz mv go ~/go-sdk rm go1.22.0.linux-arm64.tar.gz
bashexport PATH=$PATH:~/go-sdk/bin export GOPATH=~/go export GOROOT=~/go-sdk
Add to ~/.bashrc or ~/.profile:
bashecho 'export PATH=$PATH:~/go-sdk/bin' >> ~/.bashrc echo 'export GOPATH=~/go' >> ~/.bashrc echo 'export GOROOT=~/go-sdk' >> ~/.bashrc
bashgo version go env GOPATH GOROOT
bash# Run tests go test ./... # Run tests with verbose output go test ./... -v # Build project go build -o <output> ./cmd/<entry> # Download dependencies go mod download # Tidy dependencies go mod tidy
| Item | Value | |------|-------| | Download Size | ~65MB | | Extracted Size | ~300MB | | Memory | 512MB minimum | | CPU | Single core sufficient |
| Version | Description | |---------|-------------| | go1.22.x | LTS stable (recommended) | | go1.21.x | Previous stable | | go1.23.x | Latest |
Download: https://go.dev/dl/ --------------------------0aa845c205f28859--
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→pass | 8,364 | 9,737 | +16% | 1 | 1 | 0% | 1,691 | 1,884 | +11% | 0 | 0 | — |
case-02 | fail→pass | 13,228 | 6,136 | -54% | 1 | 1 | 0% | 2,667 | 2,023 | -24% | 0 | 0 | — |
case-03 | fail→pass | 11,509 | 5,384 | -53% | 1 | 1 | 0% | 2,399 | 1,977 | -18% | 0 | 0 | — |
case-04 | pass→pass | 3,679 | 3,561 | -3% | 1 | 1 | 0% | 603 | 1,269 | +110% | 0 | 0 | — |
case-05 | pass→pass | 6,646 | 4,236 | -36% | 1 | 1 | 0% | 1,162 | 1,546 | +33% | 0 | 0 | — |
case-06 | pass→pass | 11,434 | 7,558 | -34% | 1 | 1 | 0% | 2,169 | 2,250 | +4% | 0 | 0 | — |
case-07 | fail→pass | 7,907 | 2,054 | -74% | 1 | 1 | 0% | 1,606 | 1,167 | -27% | 0 | 0 | — |
case-08 | pass→pass | 4,523 | 2,123 | -53% | 1 | 1 | 0% | 816 | 1,140 | +40% | 0 | 0 | — |
case-09 | pass→pass | 6,516 | 1,529 | -77% | 1 | 1 | 0% | 1,283 | 989 | -23% | 0 | 0 | — |
case-10 | fail→pass | 9,133 | 2,322 | -75% | 1 | 1 | 0% | 1,638 | 1,183 | -28% | 0 | 0 | — |
case-11 | pass→pass | 7,842 | 1,809 | -77% | 1 | 1 | 0% | 1,512 | 1,052 | -30% | 0 | 0 | — |
case-12 | fail→pass | 7,119 | 2,203 | -69% | 1 | 1 | 0% | 1,377 | 1,010 | -27% | 0 | 0 | — |
case-17 | fail→pass | 11,641 | 1,597 | -86% | 1 | 1 | 0% | 1,886 | 984 | -48% | 0 | 0 | — |
case-13 | fail→fail | 7,741 | 1,707 | -78% | 1 | 1 | 0% | 1,418 | 1,015 | -28% | 0 | 0 | — |
case-14 | pass→pass | 6,810 | 2,002 | -71% | 1 | 1 | 0% | 1,164 | 1,136 | -2% | 0 | 0 | — |
case-15 | pass→pass | 6,547 | 1,488 | -77% | 1 | 1 | 0% | 1,173 | 965 | -18% | 0 | 0 | — |
case-16 | fail→pass | 3,199 | 1,548 | -52% | 1 | 1 | 0% | 457 | 1,026 | +125% | 0 | 0 | — |
case-18 | fail→pass | 5,388 | 1,491 | -72% | 1 | 1 | 0% | 1,076 | 985 | -8% | 0 | 0 | — |
case-19 | pass→pass | 3,384 | 2,143 | -37% | 1 | 1 | 0% | 572 | 1,057 | +85% | 0 | 0 | — |
case-20 | pass→pass | 2,985 | 1,737 | -42% | 1 | 1 | 0% | 386 | 1,018 | +164% | 0 | 0 | — |
case-21 | pass→pass | 3,108 | 2,097 | -33% | 1 | 1 | 0% | 512 | 1,094 | +114% | 0 | 0 | — |
case-22 | fail→pass | 6,765 | 2,061 | -70% | 1 | 1 | 0% | 1,253 | 1,074 | -14% | 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 +45 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.
| Model | Method | Date | Lift |
|---|---|---|---|
| gemini-3.6-flash | verified | 7/28/2026 | +36% |
Other measured skills in the registry, with their headline benchmark lift.