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Agent skill

Ecosystem Onboarding

by cdxgen in cdxgen/cdxgen

Guides adding support for a new language, package manager, or lockfile format to cdxgen, covering alias registration, parser placement, the create-Lang-Bom dispatch branch, purl construction…

Apache-2.0Auto-check passedDevelopment

Install Ecosystem Onboarding

skills CLI
$ npx skills add cdxgen/cdxgen --skill ecosystem-onboarding -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install cdxgen/cdxgen ecosystem-onboarding --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/cdxgen/cdxgen.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/ecosystem-onboarding .claude/skills/ecosystem-onboarding && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
ecosystem-onboarding
GitHub stars
1.1k
Token cost
~1.1k tokens
SKILL.md length
439 words
Files
1
Skills in repo
17
Repo updated
First seen
Licence
Apache-2.0

At a glance

Guides adding support for a new language, package manager, or lockfile format to cdxgen, covering alias registration, parser placement, the create-Lang-Bom dispatch branch, purl construction…

  • Works in 4 steps: Is the ecosystem already supported under… → Does a lockfile already contain… → Does it require a native tool or SDK?… → …
  • Extend an ecosystem
  • SKILL.md covers Before writing code, Checklist, Conventions that reviews flag and Verification
  • Calls pnpm and node

What it does

Ecosystem Onboarding is an agent skill from cdxgen/cdxgen. Guides adding support for a new language, package manager, or lockfile format to cdxgen, covering alias registration, parser placement, the create-Lang-Bom dispatch branch, purl construction, fixtures, poku tests, and documentation. Use when asked to add or extend an ecosystem, project type, package manager, or manifest/lockfile parser.

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Dependency management. The repository describes itself as: Creates CycloneDX Bill of Materials (BOM) for your projects from source and container images. Supports many languages and package managers. Integrate in your CI/CD pipeline with…. The licence is Apache-2.0.

When your agent uses it

  • Extend an ecosystem
  • Package manager
  • Manifest/lockfile parser

Example prompts

  • “Use the ecosystem-onboarding skill to guide adding support for a new language, package manager, or lockfile format to cdxgen, covering alias…”
  • “/ecosystem-onboarding”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Is the ecosystem already supported under a different alias? Check PROJECT_TYPE_ALIASES in lib/core/env.js (re-exported from…
  2. Does a lockfile already contain everything needed (name, version, deps, integrity)? Prefer lockfile parsing over executing package managers.
  3. Does it require a native tool or SDK? That affects prepareEnv (lib/stages/pregen), container images, and secure-mode behavior.
  4. Does it need custom purl behavior (namespace rules, qualifiers)?

What it can do on your machine

Read from SKILL.md and the folder at commit e256966. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • pnpm
    • node

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use pnpm, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Ecosystem Onboarding loads about 1.1k tokens when it runs. Until then it costs about 90 tokens; SKILL.md has 439 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~90
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from cdxgen/cdxgen at commit e256966, republished under its Apache-2.0 licence (© cdxgen). 439 words, ~1,091 tokens.

Download SKILL.mdSave it as .claude/skills/ecosystem-onboarding/SKILL.md (or your agent's skills folder).
name
ecosystem-onboarding
description
Guides adding support for a new language, package manager, or lockfile format to cdxgen, covering alias registration, parser placement, the create-Lang-Bom dispatch branch, purl construction, fixtures, poku tests, and documentation. Use when asked to add or extend an ecosystem, project type, package manager, or manifest/lockfile parser.

Ecosystem onboarding

Use this skill when adding a new language, package manager, or lockfile/manifest format to cdxgen. The full contributor guide is docs/ADD_ECOSYSTEM.md; this skill gives the checklist and the conventions most often missed.

Before writing code

Answer these first (from docs/ADD_ECOSYSTEM.md):

  1. Is the ecosystem already supported under a different alias? Check PROJECT_TYPE_ALIASES in lib/core/env.js (re-exported from lib/ecosystems/utils.js).
  2. Does a lockfile already contain everything needed (name, version, deps, integrity)? Prefer lockfile parsing over executing package managers.
  3. Does it require a native tool or SDK? That affects prepareEnv (lib/stages/pregen), container images, and secure-mode behavior.
  4. Does it need custom purl behavior (namespace rules, qualifiers)?

Checklist

  1. Aliases — add the canonical type and accepted aliases to PROJECT_TYPE_ALIASES in lib/core/env.js:272, and any package-manager aliases to PACKAGE_MANAGER_ALIASES in the same file. Note: AGENTS.md references lib/ecosystems/utils.js, but the definitions live in lib/core/env.js and are re-exported from utils.js.
  2. Parser functions — lockfile/manifest parsers go in lib/ecosystems/utils.js (or a dedicated helper module under lib/helpers/ or lib/inventory/ for larger formats). Follow the pure-ESM, node:-prefixed import conventions.
  3. BOM function — add create<Language>Bom(path, options) in lib/cli/index.js, following the same signature and return shape ({ bomJson, dependencies, parentComponent, … }) as existing functions.
  4. Dispatch — register the branch in createXBom/createBom in lib/cli/index.js.
  5. Purls — build purls only via tryBuildPurl/applyPurl from lib/inventory/purl.js. Never concatenate purl strings; if the coordinates cannot form a valid purl, drop the purl (or use pkg:generic with cdx:purl:proposedType).
  6. Hashes — set _integrity on the package (sha512-<base64> npm-style, sha256-<base64> Go-style); processHashes converts it into a CycloneDX hashes[] entry. Never put integrity strings in properties.
  7. Fixtures — add real-world sample lockfiles/manifests under test/.
  8. Tests — co-located <module>.poku.js files (poku framework). Cover parsing and generation; treat tests as cross-platform (Windows path separators).
  9. Docs — update docs/PROJECT_TYPES.md; check docs/FEATURE_COVERAGE.md and docs/CLI.md if the type adds CLI-visible behavior.
  10. CI — consider adding a representative public repo to .github/workflows/repotests.yml; if no stable public repo exists, add fixture-backed repo tests under test/data/ and exercise them from repotests.yml.
Show full SKILL.md (117 more words)Show less

Conventions that reviews flag

  • Layering: parsers and helpers must not import from lib/cli/index.js. Extract shared utilities downward instead (see AGENTS.md layer table).
  • Once-per-BOM logic belongs in postProcess (lib/stages/postgen/postgen.js), not buildBomNSData (runs once per language type).
  • Custom properties: any new cdx:* property must be added to docs/CUSTOM_PROPERTIES.md or the build fails (see the custom-property-author skill).
  • Subprocess/network/fs: use safeSpawnSync, cdxgenAgent, safeExistsSync/safeMkdirSync — never the raw Node APIs.
  • Completeness: components should carry stable bom-ref, type, name, version, purl when a native identity exists, dependency edges, hashes and licenses when the source material provides them, and externalReferences for distribution/VCS when directly available. Reviewers treat omitted-but-available data as a gap.

Verification

bash
pnpm test          # poku suite including the new tests
pnpm run lint      # Biome check + autofix
node bin/cdxgen.js -t <newtype> test/<fixture-dir> -o /tmp/bom.json

Validate the emitted BOM against the schemas in data/ (e.g. via bin/validate.js).

© cdxgen, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/ecosystem-onboarding of cdxgen/cdxgen.

Open the folder on GitHubat commit e256966

Compare with similar skills

Ecosystem Onboarding next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Ecosystem Onboarding compared with similar skills
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Dep Updatestrufflesecurity/trufflehog28k—~1.3kAutomated safety check: PassAGPL-3.0
Merge Dependabot PRsonyx-dot-app/onyx32k1 repos~2.2kAutomated safety check: PassMIT
Senior Architect Toolkitmaslennikov-ig/claude-code-orchestrator-kit2608 repos~1.2kAutomated safety check: NotesCustom licence
Update .NET OS Packagesdotnet/core22k—~2.3kAutomated safety check: PassMIT

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Categories

Questions about Ecosystem Onboarding

What does Ecosystem Onboarding do?

Guides adding support for a new language, package manager, or lockfile format to cdxgen, covering alias registration, parser placement, the create-Lang-Bom dispatch branch, purl construction…. Ecosystem Onboarding is an agent skill from cdxgen/cdxgen. Guides adding support for a new language, package manager, or lockfile format to cdxgen, covering alias registration, parser placement, the create-Lang-Bom dispatch branch, purl construction, fixtures, poku tests, and documentation.

When should I use Ecosystem Onboarding?

Ecosystem Onboarding fits situations like: extend an ecosystem; package manager; manifest/lockfile parser.

How do I install Ecosystem Onboarding in Claude Code?

Run `npx skills add cdxgen/cdxgen --skill ecosystem-onboarding -a claude-code`. Or copy the skill folder (.agents/skills/ecosystem-onboarding in cdxgen/cdxgen) into .claude/skills/ecosystem-onboarding in your project. Claude Code loads it when a task matches its description.

How do I install Ecosystem Onboarding in Codex?

Run `npx skills add cdxgen/cdxgen --skill ecosystem-onboarding -a codex`. Or copy the skill folder (.agents/skills/ecosystem-onboarding in cdxgen/cdxgen) into .agents/skills/ecosystem-onboarding in your project. Codex loads it when a task matches its description.

Can I use Ecosystem Onboarding in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add cdxgen/cdxgen --skill ecosystem-onboarding -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ecosystem-onboarding, .gemini/skills/ecosystem-onboarding, .github/skills/ecosystem-onboarding and .opencode/skills/ecosystem-onboarding in your project.

What does Ecosystem Onboarding need to run?

Going by SKILL.md and its folder, Ecosystem Onboarding needs the command-line tools its instructions call (pnpm and node).

Does Ecosystem Onboarding access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Ecosystem Onboarding safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Ecosystem Onboarding use?

Ecosystem Onboarding is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Ecosystem Onboarding use?

About 1.1k tokens (SKILL.md is roughly 4.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Ecosystem Onboarding?

Skills that share tags, products or a category with Ecosystem Onboarding: Add TTS Engine to Voicebox (jamiepine/voicebox, 57k stars), Dep Updates (trufflesecurity/trufflehog, 28k stars), Merge Dependabot PRs (onyx-dot-app/onyx, 32k stars) and Senior Architect Toolkit (maslennikov-ig/claude-code-orchestrator-kit, 260 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Ecosystem Onboarding?

cdxgen (a GitHub organization) maintains it in cdxgen/cdxgen, which has 1,085 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 8, 2026.

Source: cdxgen/cdxgen on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.