Auto Skill Installer
Detect missing capabilities during an AI agent task, search local skill folders plus configured GitHub skill registries, then install and validate the best matching skill before continuing. Use when an agent has loaded this skill and realizes another skill would make the current job safer, faster, or more accurate. Compatible with Codex by default and adaptable to other agent runtimes.
Install
$ agentstack add skill-lingbol088-spec-auto-skill-installer-auto-skill-installer ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-lingbol088-spec-auto-skill-installer-auto-skill-installer) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Auto Skill Installer
Use this skill when the current task exposes a capability gap and another skill is likely the right fix.
Workflow
- Summarize the missing capability in one short phrase.
- Search local and remote sources with
scripts/auto_install.py search --need "". - Prefer an already-installed or system skill when it is a strong match.
- Install the best remote match with
scripts/auto_install.py ensure --need "". - Validate the installed skill, then continue the user task and mention what was installed.
Search Strategy
- Start with concrete task language, not generic words. Prefer
github review commentsovergithub. - If the first search is noisy, run a second search with two or three sharper keywords.
- Prefer skills whose
descriptionexplicitly matches the task and trigger context. - If several candidates are close, read the strongest candidates'
SKILL.mdfiles before choosing.
Read [references/source-format.md](references/source-format.md) when you need to add or debug a registry source.
Commands
python scripts/auto_install.py search --need "github pull request review comments"
python scripts/auto_install.py ensure --need "figma design generation"
python scripts/auto_install.py add-source --repo your-org/skills --path skills --name your-org
python scripts/auto_install.py list-sourcesDecision Rules
- Install automatically when one candidate is clearly better than the rest.
- Pause and tell the user when multiple candidates have different tradeoffs and no clear winner.
- Do not overwrite an existing destination skill directory.
- Treat user-configured sources as higher priority than broad fallback registries.
- After installation, tell the user that restarting or reloading the target agent may be required for automatic discovery.
Safety
- Use
$CODEX_HOME/skillsas the default Codex destination; use--destwhen another agent runtime needs a different skills directory. - Only install directories that contain
SKILL.md. - Reject archive paths that escape the temporary extraction root.
- If a network source fails, explain the failure briefly and continue with remaining sources.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: lingbol088-spec
- Source: lingbol088-spec/auto-skill-installer
- License: MIT
Install and usage instructions live in the source repository linked above.
Reviews
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Versions
- v0.1.0 Imported from the upstream source.