context engineering instructions

306 tagged context engineering, measured the same way as everything else here.

Browse within: agent-memory 31copilot 26ai-coding-assistant 22github-copilot 20ai-guardrails 19contextops 19codex-cli 15coding-agents 15prompt-engineering 15agents-md 13ai-memory 11antigravity 10coding-agent 9context 9

OpenSpec AGENTS.md

02

Fission-AI/OpenSpec

Instructions file CodexOpenCode

Instructions for Fission-AI/OpenSpec, a project described as: Spec-driven development (SDD) for AI coding assistants.

67k 3d ago not scanned tokens not measured original MIT

gsd-build/get-shit-done

Instructions file CodexOpenCode

Instructions for gsd-build/get-shit-done, covering repository guidelines, active discussions, project structure & module organization, build, test, and development commands and coding style & naming conventions.

65k 3mo ago A 739 tokens original MIT archived

virgiliojr94/book-to-skill

Instructions file CodexOpenCode

Instructions for virgiliojr94/book-to-skill, covering agents.md, project intent, sources of truth, non-negotiable rules and execution loop.

27k 3d ago A 1,069 tokens original MIT

virgiliojr94/book-to-skill

Instructions file

Instructions for virgiliojr94/book-to-skill, a project described as: Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

27k 3d ago A 30 tokens original MIT

cocoindex AGENTS.md

06

cocoindex-io/cocoindex

Instructions file CodexOpenCode

AGENTS.md instructions for cocoindex-io/cocoindex, covering agents.md, build and test commands, building, testing and code formatting and linting.

11k +15 today A 4,372 tokens original Apache-2.0

gsd-core GEMINI.md

07

open-gsd/gsd-core

Instructions file Gemini CLI

Instructions for open-gsd/gsd-core, covering gsd core — antigravity cli context, what gsd is, the slash commands (installed separately) and working with gsd.

8.9k 2d ago A 611 tokens original MIT

Acontext AGENTS.md

10

memodb-io/Acontext

Instructions file CodexOpenCode

Instructions for memodb-io/Acontext, covering acontext, navigation guide, plan-driven development, modules and rules.

3.7k 1mo ago A 2,445 tokens original Apache-2.0

Acontext CLAUDE.md

11

memodb-io/Acontext

Instructions file

Instructions for memodb-io/Acontext, a project described as: Agent Skills as a Memory Layer.

3.7k 1mo ago A 3 tokens copy · 100% Apache-2.0

microsoft/apm

Instructions file GitHub Copilot

CLI Design Guidelines for visual output, styling, and user experience standards.

3.7k yesterday A 1,211 tokens original MIT

microsoft/apm

Instructions file GitHub Copilot

Test conventions: URL assertions must use urllib.parse, never substring.

3.7k yesterday A 3,329 tokens original MIT

neo AGENTS.md

15

neomjs/neo

Instructions file CodexOpenCode

Instructions for neomjs/neo, covering ai agent per-turn operational mandates, §corevalues, §identitypromptfirewall, §criticalgates and §precommitgates.

3.3k yesterday A 5,647 tokens original MIT

wquguru/harness-books

Instructions file CodexOpenCode

AGENTS.md instructions for wquguru/harness-books, covering repository guidelines, project structure & module organization, build, test, and development commands, book metadata and coding style & naming conventions.

2.9k 4mo ago A 910 tokens

wquguru/harness-books

Instructions file

Claude Code instructions for wquguru/harness-books, a project described as: 📚 Two books on harness engineering — the design philosophies behind Claude Code & Codex: constraints, query loops, context governance, multi-agent verification. harness-books.agentway.dev.

2.9k 4mo ago A 3 tokens

cocoindex-io/cocoindex-code

Instructions file

Instructions for cocoindex-io/cocoindex-code, covering claude.md, build and test commands, architecture, process model and key layers.

2.7k 2d ago A 1,766 tokens original Apache-2.0

kayba-ai/agentic-context-engine

Instructions file CodexOpenCode

Instructions for kayba-ai/agentic-context-engine, covering agents.md, repository guidelines, pipeline-first development (mandatory), core code protection and documentation maintenance.

2.6k 3d ago A 1,359 tokens original Apache-2.0

kayba-ai/agentic-context-engine

Instructions file

Instructions for kayba-ai/agentic-context-engine, covering claude.md, repository guidelines, pipeline-first development (mandatory), core code protection and documentation maintenance.

2.6k 3d ago A 1,400 tokens copy · 91% Apache-2.0

puppyone AGENTS.md

21

puppyone-ai/puppyone

Instructions file CodexOpenCode

Instructions for puppyone-ai/puppyone, covering puppyone (contextbase), connect, collaborate, platform and active development directories.

1.3k 29d ago A 5,311 tokens original Apache-2.0

puppyone CLAUDE.md

22

puppyone-ai/puppyone

Instructions file

Project instructions for PuppyOne, also called ContextBase. They state that AGENTS.md contains the project's documentation and development rules and is the only authoritative source.

1.3k 29d ago A 34 tokens original Apache-2.0

Mysti CLAUDE.md

23

DeepMyst/Mysti

Instructions file

Instructions for DeepMyst/Mysti, covering claude.md, project overview, build commands, development and architecture.

1.1k 1mo ago C 3,393 tokens original Apache-2.0

oceanbase/powercontext

Instructions file CodexOpenCode

Instructions for oceanbase/powercontext, covering repository guidelines, project structure & module organization, build, test, and development commands, agent skills and coding style & naming conventions.

923 yesterday A 1,028 tokens original Apache-2.0