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needle-haystack-context

85 / 100 · Low risk

Fine to try.

By yanacuti1121/Yana-AI (GitHub) · coding · 13 stars · scanned at commit 54d4aa9

Needle-in-a-Haystack context placement testing for LLM retrieval accuracy. Context window stress tests, information placement strategies, lost-in-the-middle avoidance, and optimal document ordering for agent prompts. Sources: gkamradt/LLMTest_NeedleInAHaystack (MIT).

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'needle-haystack-context' ] || [ -L ~/.agents/skills/'needle-haystack-context' ]; then echo 'A skill folder named needle-haystack-context already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/yanacuti1121/Yana-AI' "$d" && git -C "$d" checkout --quiet '54d4aa9fa3241319f4d37212bd23826658bf6bed' -- '.claude/skills/needle-haystack-context' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/needle-haystack-context' ~/.agents/skills/'needle-haystack-context' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'needle-haystack-context' ~/.claude/skills/'needle-haystack-context' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Also found in

Identical copies of this skill exist at:

• yanacuti1121/Yana-AI/core/skills/needle-haystack-context