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GitHub Repo Scout · stijnman | DecimalAI

researchby stijnman

GitHub Repo Scout

stijnman/github-repo-scout

Source stijnman/grok-custom-skills ↗License MIT

Investigates a GitHub repository from a URL: README, file tree, local clones tatus, and recommended next steps.

SkillScore82Maintained

Automatic

Coding pack

Last verified 8/15/2026

What it changes

Passed 17 of 21 test cases with the skill, and 11 of 21 without it.

Without skill50%

With skill82%

Checks it passed that the model alone missed

The output flags that the target host is not GitHub.
The output asks for explicit confirmation before processing non-GitHub URLs.
The response falls back to checking or utilizing a local clone when rate limited.

and 6 more in the full report

7 fixed11 passed either way4 still failing0 broke

Pass-rate lift: +32 pp
Tokens: +12%
Agent turns: 0%
Response time: -13%

Model gemini-3.6-flashMeasured 8/15/2026v218 of 22 cases passed with skill · 21 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/stijnman-github-repo-scout/SKILL.md https://app.decimal.ai/s/stijnman-github-repo-scout/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add stijnman-github-repo-scout, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/stijnman-github-repo-scout/ and pins it in .decimal/skills.lock

decimalai skills add stijnman-github-repo-scout

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/stijnman-github-repo-scout/SKILL.md https://app.decimal.ai/s/stijnman-github-repo-scout/SKILL.md

Raw file: /s/stijnman-github-repo-scout/SKILL.md ↗ · machine-readable summary at /s/stijnman-github-repo-scout.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 7

Prompt

Please scout https://github.com/private-developer/secret-tool and tell me its install steps.

What was checked, without and with the skill
Checked	Without skill	With skill
The response clearly states that public repository inspection constraints apply unless authenticated context is present.	Missed	Passed

case-16 · gemini-3.6-flash · 8/15/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md53 linessingle file

GitHub Repo Scout

When to Use

User says github.com or task matches this capability
User says check this repo or task matches this capability
User says scout repo or task matches this capability
User says what is this project or task matches this capability

Workflow

Parse owner/repo from URL; reject non-GitHub hosts unless user confirms.
Fetch README and top-level tree via public API or git clone (read-only).
Compare README claims vs actual committed files (note drift).
Check if repo exists locally in workspace or common clone paths.
Summarize: purpose, install steps, risks, suggested actions (clone, audit, review).
Do not access private repos without authenticated user context.

Integrations

oss-repo-maintainer
defensive-mcp-audit
skill-rubric-reviewer

Error Handling

Failure	Response
404/private repo	State access limitation; ask user to clone locally.
Rate limited	Backoff; use local clone if available.

Gotchas

Public repos only unless user has authenticated MCP/GitHub access.

Safety & Ethics (Publication-Ready)

This skill is designed for public distribution. Constraints:

Read-only repository inspection.
No harvesting of tokens, secrets, or private issue content.

Track record

Benchmark

17 / 21

test cases passed, vs 11 / 21 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 8/15/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

stijnman / grok-custom-skills

.grok/skills/github-repo-scout/SKILL.md

View on GitHub ↗

License MITImported 8/15/2026Version v2

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

GitHub Repo Scout

When to Use

Workflow

Integrations

Error Handling

Gotchas

Safety & Ethics (Publication-Ready)

Track record

Benchmark

Adoption

SkillSafety

Source

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