All Resources

Topic

Custom Instructions

7 guides on custom instructions.

A layered cut-paper collage on a deep navy field: a tall sand-colored paper lighthouse stands on a navy headland at the left, casting one clean wedge of golden paper across the frame that stops where it meets a long navy paper ridge rising from the lower right; a calm teal band of water runs along the bottom, and three small unlit paper lighthouses in terracotta, ocean blue, and cypress green sit far beyond the ridge, each on its own little island, separate and dark. Every shape shows paper grain and casts a soft short shadow on the layer beneath.

September 11, 2026 · 7 min read

How to Use Gemini Gems (and Where They Fall Short)

Gemini Gems save your instructions and knowledge files into a custom assistant. Here's how to build one properly, the ten-file limit, and the one thing Gems do better than ChatGPT or Claude.

Read
A flat-vector illustration on a deep navy field: four moored buoys in a row, in terracotta, muted violet, teal, and violet, each banded with a cream sash and each encircled by its own separate loop of glowing golden current lines that never reaches the buoy beside it. A thin gold chain drops from every buoy toward the seabed, over a faint antique nautical chart of coastline contours, depth soundings, and thin grid lines.

September 2, 2026 · 6 min read

How to Use ChatGPT Projects (and Where They Fall Short)

ChatGPT Projects hold your files, chats, and instructions in one workspace. Here's how to set one up properly, the per-plan limits, and where they stop.

Read
A flat-vector illustration on a parchment-cream field: an octagonal walled harbor set into a rocky coastline, holding three small boats at wooden jetties in ocean blue and deep cypress green. Golden current lines thread the blue water inside the harbor and converge at its narrow mouth, where they turn into faint dashed routes that trail off across an antique nautical chart of coastline contours, grid lines, and depth soundings.

August 21, 2026 · 6 min read

How to Use Claude Projects (and Where They Fall Short)

Claude Projects give you a workspace with its own knowledge base and instructions. Here's how to set one up properly, and the one limit nobody mentions until you have eight of them.

Read
A flat-vector illustration of an antique nautical chart on parchment, one corner richly mapped in terracotta, cypress green, and navy with a golden route threading the coast, the rest of the chart still blank, a small compass rose mid-field and a golden sextant resting at the chart's edge.

July 21, 2026 · 5 min read

Dharmesh Shah Is Right About Portable AI Context. Here's the Hard Part.

HubSpot's Dharmesh Shah says portable markdown files future-proof your AI workflows. He's right. But what actually goes in the file? The hard part, explained.

Read
A flat-vector illustration of a single luminous golden seal pressed into a warm-sand antique sea chart, its imprint radiating as golden current lines out to several small distant harbors, with terracotta and ocean-blue accents.

June 26, 2026 · 6 min read

How to Train ChatGPT on Yourself (What Actually Works)

You can't really train ChatGPT on your own data — but you can get the result you're after. Here's what training actually means, what works instead, and how to make any AI know you.

Read
A flat-vector illustration of a single golden template plate laid over an antique nautical chart, tracing the same golden route onto three smaller blank charts beside it, on a parchment-cream field with terracotta and azulejos-blue accents.

June 23, 2026 · 8 min read

Custom Instructions Examples: Copy-Paste Templates for ChatGPT, Claude, and Gemini

Real custom instructions examples you can copy and adapt — a fill-in-the-blank template plus five worked versions for founders, writers, freelancers, developers, and marketers, and exactly where to paste them in ChatGPT, Claude, and Gemini.

Read
A flat-vector illustration of an open navigator's logbook on an antique nautical chart, its lines being filled in by flowing golden current lines, on a warm sand and soft-terracotta field.

June 18, 2026 · 4 min read

How to Write Custom Instructions for ChatGPT, Claude, and Gemini

Most people leave the custom-instructions box vague or empty, so the model keeps guessing. Here's what to actually put in ChatGPT, Claude, and Gemini's custom instructions — and how to write them once and reuse them everywhere.

Read