martineserios/thebrana · .agents/skills/marketplace-fundamentals/SKILL.md

marketplace-fundamentals skillA

marketplace-fundamentals is agent-read markdown (skill) from martineserios/thebrana: Help users understand the core mechanics of marketplace businesses, from solving the cold start problem to maintaining quality and preventing platform leakage at scale..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add martineserios/thebrana/marketplace-fundamentals@git:20260731.0803ef5
Exact content
mdr add martineserios/thebrana/marketplace-fundamentals@sha256:061cefc7016224ad

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_vbn3knv6wajl2uzb.svg)](https://markdownregistry.com/a/art_vbn3knv6wajl2uzb)

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Versions

versioncommittedcommitsizeaudit
git:20260731.0803ef5 latest2026-07-31 0803ef5 8,200 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (8200 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

martineserios/thebrana · 3 stars · license MIT · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_vbn3knv6wajl2uzb
GET https://markdownregistry.com/api/v1/resolve?ref=martineserios/thebrana/marketplace-fundamentals
GET https://markdownregistry.com/api/v1/blob/061cefc7016224ad8334ce34a05fa435320efbf7db171d879c52b51f5e54c5d1

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.