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Agent skill

Vendor Listing

by superdesigndev in superdesigndev/treg

Onboard a vendor who wants their API listed in the treg catalog.

Custom licenceAuto-check passedMarketing & SEO

Install Vendor Listing

skills CLI
$ npx skills add superdesigndev/treg --skill vendor-listing -a claude-code

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

GitHub CLI
$ gh skill install superdesigndev/treg vendor-listing --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/superdesigndev/treg.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/vendor-listing .claude/skills/vendor-listing && 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
vendor-listing
GitHub stars
4.9k
Token cost
~4.7k tokens
SKILL.md length
2,425 words
Files
1
Skills in repo
12
Repo updated
First seen
Licence
Custom licence

At a glance

Onboard a vendor who wants their API listed in the treg catalog.

  • Works in 10 steps: intake: collect the vendor facts → eligibility gate → registry entry → …
  • Someone asks how do we get listed on treg
  • SKILL.md covers Step 0 — intake: collect the…, Step 1 — eligibility gate, Step 2 — registry entry and Step 2b — platform-key slot…, plus 9 more sections
  • Calls uv and bash

What it does

Vendor Listing is an agent skill from superdesigndev/treg. Onboard a vendor who wants their API listed in the treg catalog. Use whenever someone asks "how do we get listed on treg", a vendor sends their API details, or a listing PR/issue needs review. Walks the whole pipeline: eligibility gate → registry entry → platform-key slot → logo → tests → LIVE bogus-key test → core catalog YAML → verify → scrub → validate → evidence ledger in the PR. Every listing ships tier-4 wiring and a per-endpoint verification table. The vendor-facing doc this skill implements is…

Its SKILL.md is about 4.7k 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 Marketing & SEO. The repository describes itself as: OpenRouter for agent tools. Join community here: https://discord.gg/6mQYYfFMAn.

When your agent uses it

  • Someone asks how do we get listed on treg
  • A vendor sends their API details
  • A listing PR/issue needs review

Example prompts

  • “how do we get listed on treg”
  • “/vendor-listing”

Requirements

  • Python 3
  • Node.js

Workflow steps

10 steps, taken from the step headings in SKILL.md.

  1. intake: collect the vendor facts
  2. eligibility gate
  3. registry entry
  4. logo
  5. tests
  6. LIVE bogus-key test (load-bearing; never skip)
  7. core catalog YAML
  8. verify, scrub, validate
  9. optional extended tier
  10. done means

What it can do on your machine

Read from SKILL.md and the folder at commit 424ab11. 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:

    • uv
    • bash

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

  • Network

    No URLs in SKILL.md. Its commands use uv, 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

Vendor Listing loads about 4.7k tokens when it runs. Until then it costs about 135 tokens; SKILL.md has 2,425 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~135
When it runs · the whole SKILL.md, loaded when a task matches
~4.7k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 2,425 words (~4,693 tokens).

“A listing has three parts, and all three ship in the same PR:”

— opening of SKILL.md by superdesigndev, Custom licence
name
vendor-listing
metadata.internal
true

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/vendor-listing of superdesigndev/treg.

Open the folder on GitHubat commit 424ab11

Compare with similar skills

Vendor Listing 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.

Vendor Listing compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Vendor Listing this skillsuperdesigndev/treg4.9k—~4.7kAutomated safety check: PassCustom licence
Geo Fundamentalswasp-lang/wasp19k9 repos~861Automated safety check: PassMIT
Ab Testingcoreyhaines31/marketingskills54k3 repos~3.1kAutomated safety check: PassMIT
Hreflang and International SEOAgriciDaniel/claude-seo19k5 repos~3.4kAutomated safety check: PassMIT
Referralscoreyhaines31/marketingskills54k2 repos~2.6kAutomated safety check: PassMIT
SEO GeoReScienceLab/opc-skills1.8k4 repos~2.1kAutomated safety check: PassApache-2.0

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Categories

Questions about Vendor Listing

What does Vendor Listing do?

Onboard a vendor who wants their API listed in the treg catalog. Vendor Listing is an agent skill from superdesigndev/treg. Onboard a vendor who wants their API listed in the treg catalog.

When should I use Vendor Listing?

Vendor Listing fits situations like: someone asks how do we get listed on treg; A vendor sends their API details; A listing PR/issue needs review.

How do I install Vendor Listing in Claude Code?

Run `npx skills add superdesigndev/treg --skill vendor-listing -a claude-code`. Or copy the skill folder (.claude/skills/vendor-listing in superdesigndev/treg) into .claude/skills/vendor-listing in your project. Claude Code loads it when a task matches its description.

How do I install Vendor Listing in Codex?

Run `npx skills add superdesigndev/treg --skill vendor-listing -a codex`. Or copy the skill folder (.claude/skills/vendor-listing in superdesigndev/treg) into .agents/skills/vendor-listing in your project. Codex loads it when a task matches its description.

Can I use Vendor Listing 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 superdesigndev/treg --skill vendor-listing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/vendor-listing, .gemini/skills/vendor-listing, .github/skills/vendor-listing and .opencode/skills/vendor-listing in your project.

What does Vendor Listing need to run?

Going by SKILL.md and its folder, Vendor Listing needs the command-line tools its instructions call (uv and bash). Our summary lists: Python 3; Node.js.

Does Vendor Listing access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Vendor Listing 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 Vendor Listing use?

Vendor Listing has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Vendor Listing use?

About 4.7k tokens (SKILL.md is roughly 19k 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 Vendor Listing?

Skills that share tags, products or a category with Vendor Listing: Geo Fundamentals (wasp-lang/wasp, 19k stars), Ab Testing (coreyhaines31/marketingskills, 54k stars), Hreflang and International SEO (AgriciDaniel/claude-seo, 19k stars) and Referrals (coreyhaines31/marketingskills, 54k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Vendor Listing?

superdesigndev (a GitHub organization) maintains it in superdesigndev/treg, which has 4,881 GitHub stars. The repository holds 12 skills in this directory. The repository was last updated on October 9, 2026.

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