← Back to glossaryGlossary

Content Modality (A2A)

Reviewed 19 July 2026Canonical definitionPart of: MCP & Agent Protocol Terms →

Content modality in A2A refers to the type of content agents exchange, such as text, files, audio, images, or structured data. Each modality has different handling, security, and validation needs.

§01 / QUESTIONSterm: Content Modality (A2A)
Questions

Common questions.

What is Content Modality (A2A)?

Content modality in A2A refers to the type of content agents exchange, such as text, files, audio, images, or structured data.

How does Content Modality (A2A) work?

Each modality has different handling, security, and validation needs.

Which terms are related to Content Modality (A2A)?

Closely related concepts include Model Context Protocol (MCP), MCP (Model Context Protocol), A2A Protocol (Agent-to-Agent Protocol), AI Firewall. Each is defined in the Prefactor glossary.

§02 / RELATEDnext: where this fits
Keep reading

Where this fits.

See how every agent performs, and make it better

Prefactor helps teams observe, evaluate, and improve their AI agents in production, across every framework and provider.