---
schema_version: "newruntime-topic-hub-v0.1"
type: "topic_hub"
slug: "skills"
title: "Agent skills - New Runtime"
description: "Portable skill files, behavioral contracts, tool instructions, and evals that make agent capability reusable."
answer: ["Agent skills package repeatable behavior outside the current chat.","The important boundary is whether the skill changes task outcomes, not whether the instruction prose looks good.","Skills become infrastructure when they are versioned, evaluated, and shared across agents."]
search_intents: ["agent skills","AI agent skill files","reusable agent capabilities"]
status: "featured"
last_updated: "2026-07-04"
counts: {"total":13,"signals":13,"patterns":0,"posts":0,"atlas":0,"sources":22}
routes: {"html":"https://newruntime.com/topics/skills/","markdown":"https://newruntime.com/topics/skills.md","json":"https://newruntime.com/topics/skills.json"}
top_sources: ["https://claude.com/blog/steering-claude-code-skills-hooks-rules-subagents-and-more","https://cursor.com/marketplace/cursor/cursor-team-kit","https://developers.openai.com/codex/record-and-replay","https://github.com/anthropics/claude-for-legal","https://github.com/emilkowalski/skills","https://github.com/mvanhorn/last30days-skil","https://github.com/mvanhorn/last30days-skill.git","https://github.com/NousResearch/hermes-agent/blob/main/optional-skills/creative/creative-ideation/SKILL.md","https://github.com/nvidia/skillspector","https://github.com/openai/skills/tree/main/skills/.curated/gh-address-comments","https://github.com/senlindesign/taste-skill","https://huggingface.co/"]
---

# Agent skills - New Runtime

Portable skill files, behavioral contracts, tool instructions, and evals that make agent capability reusable.

## Short Answer

- Agent skills package repeatable behavior outside the current chat.
- The important boundary is whether the skill changes task outcomes, not whether the instruction prose looks good.
- Skills become infrastructure when they are versioned, evaluated, and shared across agents.

## Patterns


## Field Notes


## Recent Raw Signals

- 2026-07-04: [Animation Vocabulary Turns Motion References into an Agent Skill](https://newruntime.com/signals/animation-vocabulary-turns-motion-references-into-an-agent-skill/)
- 2026-07-03: [A GitHub Skill Can Resolve Review Comments as a Batch](https://newruntime.com/signals/a-github-skill-can-resolve-review-comments-as-a-batch/)
- 2026-06-27: [Creative Ideation Becomes a Routable Agent Skill](https://newruntime.com/signals/creative-ideation-becomes-a-routable-agent-skill/)
- 2026-06-24: [Agentic Resource Discovery Indexes Skills, MCP, and Agents](https://newruntime.com/signals/agentic-resource-discovery-indexes-skills-mcp-and-agents/)
- 2026-06-24: [Hermes Turns Solved Tasks into New Skills](https://newruntime.com/signals/hermes-turns-solved-tasks-into-new-skills/)
- 2026-06-23: [CLAUDE.md Shrinks as Skills, Hooks, and Subagents Mature](https://newruntime.com/signals/claude-md-shrinks-as-skills-hooks-and-subagents-mature/)
- 2026-06-22: [Codex Turns a Recorded Mac Workflow into a Reusable Skill](https://newruntime.com/signals/codex-turns-a-recorded-mac-workflow-into-a-reusable-skill/)
- 2026-06-19: [Taste Lab Uses a Design System as a Reasoning Brief](https://newruntime.com/signals/taste-lab-uses-a-design-system-as-a-reasoning-brief/)
- 2026-06-18: [Last30Days Packages Social Research as an Agent Skill](https://newruntime.com/signals/last30days-packages-social-research-as-an-agent-skill/)
- 2026-06-02: [SkillSpector Adds a Security Gate for Agent Skills](https://newruntime.com/signals/skillspector-adds-a-security-gate-for-agent-skills/)
- 2026-05-20: [Claude for Legal Packages a Legal Team as Plugins](https://newruntime.com/signals/claude-for-legal-packages-a-legal-team-as-plugins/)
- 2026-05-07: [SKILL.md Acts as a Behavior Loader, Not a Better Prompt](https://newruntime.com/signals/skill-md-acts-as-a-behavior-loader-not-a-better-prompt/)
- 2026-05-06: [Cursor Ships Its Development Procedures as Agent Skills](https://newruntime.com/signals/cursor-ships-its-development-procedures-as-agent-skills/)

## Public Sources

- https://claude.com/blog/steering-claude-code-skills-hooks-rules-subagents-and-more
- https://cursor.com/marketplace/cursor/cursor-team-kit
- https://developers.openai.com/codex/record-and-replay
- https://github.com/anthropics/claude-for-legal
- https://github.com/emilkowalski/skills
- https://github.com/mvanhorn/last30days-skil
- https://github.com/mvanhorn/last30days-skill.git
- https://github.com/NousResearch/hermes-agent/blob/main/optional-skills/creative/creative-ideation/SKILL.md
- https://github.com/nvidia/skillspector
- https://github.com/openai/skills/tree/main/skills/.curated/gh-address-comments
- https://github.com/senlindesign/taste-skill
- https://huggingface.co/