What’s inside

One SKILL.md (the playbook) + one starter template. A preview:

Project Tool OG Image

When to use

• You are launching or relaunching a project-management, issue-tracking, or task-planning tool and your link previews are a grey box or a cropped screenshot
• Your tool's homepage, changelog, or docs links get shared in Slack, X, LinkedIn, or Discord and you want the card to carry the pitch
• You need one share card per major surface (homepage, pricing, changelog, a flagship feature) that still looks like one family
• You are announcing a feature (boards, sprints, roadmaps, triage) and want a card that shows it in one glance
• You want a repeatable OG recipe your team can reuse without a designer for every post

Workflow

1. Write the one-line promise (input: your tool's pitch → output: promise + proof)
   Write the card's message as one promise plus one proof: promise = what the tool does for the user ("Every task, tracked to done"), proof = one concrete detail ("Boards, sprints, and triage in one place"). If the promise needs a second sentence, it won't survive thumbnail size — shorten it until it fits in one breath. The proof must be something the product actually does; an OG image is a claim, and the link behind it is where the claim gets checked.
2. Sketch the board motif (input: promise + proof → output: three-zone layout)
   Lay out the 1200×630 canvas in three zones: left — the promise in large type (max 6 words in the headline); middle — a board motif: three narrow columns with a few small task cards, one card mid-move between columns to imply progress; right or bottom — your product mark + name in a lockup that stays legible at 120 px wide. The board is a motif, not a screenshot: simplified cards, no real data, no readable small text. One accent color for the moving card only — everything else stays in your neutral palette.
3. Set the thumbnail rules (input: layout sketch → output: type + contrast spec)
   Fix the legibility rules before generating: headline at least 90 px tall on the 1200-px canvas, body/proof line at least 40 px, contrast ratio that holds on both light and dark chat backgrounds (test both — put the card on a white and a near-black background and check). No text smaller than 40 px, no text over the busy part of the board motif, no more than 12 words total on the card. If a word doesn't earn its place at thumbnail size, delete it.

Template preview

Project Tool OG Image — Template

1200×630. ≤12 words total. Test at 240 px and 120 px, on light AND dark backgrounds.

Copy (fill before designing)

• Promise (headline, ≤6 words): {e.g. "Every task, tracked to done."}
• Proof (one line, a real capability): {e.g. "Boards, sprints, and triage in one place."}
• Product lockup: {name in plain type + mark — must read at 120 px wide}

Layout — three zones

Legibility spec

• Headline ≥ 90 px · Body ≥ 40 px · No text under 40 px
• No text over the busy part of the board motif
• Contrast holds on white AND near-black backgrounds

Thumbnail test (must pass all three)

[ ] At 240 px wide: promise readable

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