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Cheat sheet for AI tools including GEMINI and CODEX configurations.
Passed 22 of 23 test cases with the skill, and 9 of 23 without it.
and 18 more in the full report
14 fixed8 passed either way0 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 14 test cases the skill fixed. Same model, same prompt, with and without the skill.
We want our tool server to return rich interactive UI interfaces directly within the agent chat application rather than returning plain markdown or raw JSON text. What protocol extension enables tool servers to serve interactive UI?
| Checked | Without skill | With skill |
|---|---|---|
| Recommends MCP Apps for rich UI rendering. | Passed | Passed |
| Identifies Anthropic as the maintainer of MCP Apps. | Missed | Passed |
The instructions your model reads when the skill loads.
This skill covers the emerging ecosystem of open standards and protocols for AI agents. These specifications define how agents discover capabilities, communicate with each other, make payments, render UI, and are described declaratively.
| Protocol | Purpose | Maintained By |
|---|---|---|
| MCP | Tool integration — how agents use tools and access context | Anthropic |
| A2A | Agent-to-agent communication and task delegation | |
| ACP | REST-based agent communication (merged into A2A) | IBM / BeeAI / Linux Foundation |
| Agent Skills | Skill packaging — how capabilities are discovered and loaded | Anthropic |
| AGENTS.md | Project-level guidance for coding agents | Community |
| ADL | Declarative agent definition (identity, tools, permissions) | Next Moca / Eclipse LMOS |
| x402 | HTTP-native micropayments using stablecoins | Coinbase |
| AP2 | Secure agent-driven commerce and purchases | |
| MCP Apps | Rich interactive UI served by MCP servers | Anthropic |
| cagent | Multi-agent runtime with YAML configuration | Docker |
┌─────────────────────────────────────────────┐
│ Agent Definition (ADL, AGENTS.md) │
│ "What the agent is and what it can do" │
├─────────────────────────────────────────────┤
│ Capability Discovery (Agent Skills, MCP) │
│ "How agents find and load tools/skills" │
├─────────────────────────────────────────────┤
│ Agent Communication (A2A, ACP) │
│ "How agents talk to each other" │
├─────────────────────────────────────────────┤
│ Payments (x402, AP2) │
│ "How agents pay for services" │
├─────────────────────────────────────────────┤
│ UI (MCP Apps) │
│ "How agents render interactive interfaces" │
├─────────────────────────────────────────────┤
│ Runtime (cagent) │
│ "How agents are orchestrated and executed" │
test cases passed, vs 9 / 23 without
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