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customizations-in-the-agent-host

100 / 100 · Low risk

Fine to try.

By posit-dev/positron (GitHub) · design · 4,341 stars · scanned at commit 5d355d4

Architecture and hard-won debugging lessons for customization enablement (plugins, MCP servers, agents, skills, instructions) in the agent host. Use when changing how customizations are discovered, published, enabled/disabled, or handed to a provider SDK; when a customization shows the wrong enabled state in the UI; or when a disabled MCP server or plugin is still reaching the model.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'customizations-in-the-agent-host' ] || [ -L ~/.agents/skills/'customizations-in-the-agent-host' ]; then echo 'A skill folder named customizations-in-the-agent-host already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/posit-dev/positron' "$d" && git -C "$d" checkout --quiet '5d355d4cbe7e46087286c0d17f277c0d82fd2593' -- '.github/skills/customizations-in-the-agent-host' && mkdir -p ~/.agents/skills && cp -R "$d"/'.github/skills/customizations-in-the-agent-host' ~/.agents/skills/'customizations-in-the-agent-host' && 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/'customizations-in-the-agent-host' ~/.claude/skills/'customizations-in-the-agent-host' (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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