gooseworks-ai/goose-skills · skills/ads/capabilities/newsletter-sponsorship-finder/SKILL.md

newsletter-sponsorship-finder skillA

newsletter-sponsorship-finder is agent-read markdown (skill) from gooseworks-ai/goose-skills: Find newsletters relevant to a target audience/industry for sponsorship opportunities. Discovers newsletters through web search, newsletter directories, and industry research. Returns newsletter name, author, estimated audience, topic focus, sponsorship rates (if available), and contact info..

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 gooseworks-ai/goose-skills/newsletter-sponsorship-finder@git:20260617.7fb319c
Exact content
mdr add gooseworks-ai/goose-skills/newsletter-sponsorship-finder@sha256:659a07ec3eb28d3a

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_ckqphlho62w4aohx.svg)](https://markdownregistry.com/a/art_ckqphlho62w4aohx)

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Versions

versioncommittedcommitsizeaudit
git:20260617.7fb319c latest2026-06-17 7fb319c 6,103 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 (6103 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

gooseworks-ai/goose-skills · 1,198 stars · license MIT · pushed 2026-09-01 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ckqphlho62w4aohx
GET https://markdownregistry.com/api/v1/resolve?ref=gooseworks-ai/goose-skills/newsletter-sponsorship-finder
GET https://markdownregistry.com/api/v1/blob/659a07ec3eb28d3a67812b3bca006f01764294827d1f7eff592900c45a811e97