Category 5 of 9

# Act Do something for me

Classic-web analog: forms, REST APIs

How an agent invokes a capability a site or tool exposes.

- [Ad Context Protocol](/protocols/adcp/) AdCP

- [Agent Protocol](/protocols/agent-protocol-aief/) AP

- [Agent Skills](/protocols/anthropic-agent-skills-format/)

- [Agentic Real Time Framework](/protocols/artf/) ARTF

- [agents.json](/protocols/agents-json/)

- [Model Context Protocol](/protocols/mcp/) MCP

- [NLWeb](/protocols/nlweb/)

- [OpenAI Plugins (formerly Apps SDK)](/protocols/openai-apps-sdk-manifests/)

- [Web Agent Protocol (WAP)](/protocols/web-agent-protocol/) WAP

- [WebMCP](/protocols/webmcp/)

- Protocols called ACP [Agent Client Protocol](/protocols/agent-client-protocol/)
- [Agent Connect Protocol (AGNTCY)](/protocols/agent-connect-protocol/)

## Terms
- [Origin trial](/terms/origin-trial/)