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SKILL verified MIT Self-run

Packagist

skill-peterfox-agent-skills-packagist · by peterfox

Look up PHP packages on Packagist using the API. Use when the user wants to search for packages, get package details or metadata, check download statistics, look up security advisories, list packages by vendor or type, or find popular PHP packages. Triggers on phrases like "find a package for...", "look up packagist", "search for a composer package", "check package stats", "packagist security adv…

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Install

$ agentstack add skill-peterfox-agent-skills-packagist

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No 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.

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About

Packagist

Use the Packagist API (via WebFetch) to look up PHP packages. Always include a User-Agent with mailto= when making requests.

See [references/api.md](references/api.md) for all endpoints and response formats.

Common Tasks

Search for packages

GET https://packagist.org/search.json?q={query}&per_page=15

Filter by type: &type=symfony-bundle Filter by tag: &tags=psr-3

Get package details

GET https://packagist.org/packages/{vendor}/{package}.json

Returns maintainers, all versions, dependencies, downloads, favers, GitHub info.

Get download stats

GET https://packagist.org/packages/{vendor}/{package}/stats.json

Check security advisories

GET https://packagist.org/api/security-advisories/?packages[]={vendor}/{package}

Multiple packages: repeat packages[]= for each.

List a vendor's packages

GET https://packagist.org/packages/list.json?vendor={vendor}

Presenting Results

  • For search results: show name, description, downloads, and favers
  • For package details: show latest stable version, description, license, homepage, and key dependencies
  • For stats: show total downloads and monthly trend
  • For security advisories: show CVE, severity, affected versions, and title — flag any unpatched advisories clearly

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

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.

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