Learn: Agent Plugin Guides
Guides on building, packaging, and measuring Agent Plugins for Microsoft 365 Copilot Cowork, Codex, Claude Cowork, Claude Code, OpenClaw, Hermes Agent, Copilot, and other harnesses.
Practical guides for Agent Plugins - the installable apps in emerging agent harnesses - and the SKILL.md capabilities inside them. Start with one plugin product users install, version, and trust. Then adapt it for Codex, Microsoft 365 Copilot Cowork, Claude, OpenClaw, Hermes Agent, and SKILL.md-based harnesses while keeping one component inventory and telemetry contract.
Start here
- What Is an Agent Plugin? - the app-level package Telvine is built to manage.
- How to Build an Agent Plugin for Any Harness - the build-once guide for Codex, Copilot Cowork, Claude Code, OpenClaw, Hermes Agent, and SKILL.md-based harnesses.
- What Is an Agent Skill? - the capability layer inside many plugins.
- How to Create an Agent Skill - a step-by-step
SKILL.mdwalkthrough. - SKILL.md Template and Examples - copy-paste capability scaffolds.
- Agent Plugin and Skill Best Practices - 13 rules for plugins that contain Skills.
Microsoft 365 Copilot Cowork plugins
- How to Use Microsoft 365 Copilot Cowork Plugins
- How to Manage Microsoft 365 Copilot Cowork Plugins
- How to Build a Microsoft 365 Copilot Cowork Plugin
Build for your harness
- Build a plugin for Anthropic Claude Cowork (and Claude Code)
- Build a plugin for OpenAI Codex
- Build a plugin for OpenClaw
- Build a plugin for Hermes Agent
- Build a plugin strategy for GitHub Copilot
- Build a plugin strategy for Google Antigravity
- Build a plugin strategy for Gemini CLI
- Build a plugin strategy for Cursor
- Build a plugin strategy for Windsurf
Then measure what you ship
- How to Measure Agent Plugin Usage - the package and capability metrics that tell you whether a release actually helped.
Ready to instrument your own? Start with the quickstart →