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Short, practical reads on AI and data — from first principles to RAG, agents, MCP and AI security. Free, no sign-in.
20 guides in A2A
An introduction to A2A, the open protocol that lets AI agents built by different teams and vendors work together.
A2A 1 min read 9 Aug 2025 For people
How the Agent2Agent protocol and the Model Context Protocol differ, and why many systems use both.
A2A 1 min read 8 Aug 2025 For people
How agents advertise their skills with Agent Cards, and how clients find and choose agents to work with.
A2A 1 min read 7 Aug 2025 For people
How work is tracked in A2A: task states, long-running work, requests for input and cancellation.
A2A 1 min read 6 Aug 2025 For people
The data that flows between agents in A2A: messages with text, file and data parts, and artifacts as outputs.
A2A 1 min read 5 Aug 2025 For people
How A2A keeps clients informed during long tasks, using server-sent events and webhooks.
A2A 1 min read 4 Aug 2025 For people
How A2A agents authenticate each other, authorise tasks and protect against malicious agents and content.
A2A 1 min read 3 Aug 2025 For people
The steps to expose an agent over the A2A protocol: define skills, publish a card, handle tasks and test.
A2A 1 min read 2 Aug 2025 For people
Patterns for combining agents over A2A: orchestrators, specialists, peer collaboration and marketplaces.
A2A 1 min read 1 Aug 2025 For people
Where agent-to-agent communication makes sense today: enterprise workflows, customer service, procurement and more.
A2A 1 min read 31 Jul 2025 For people
How A2A lets agents built with different frameworks and vendors work together, and what interoperability still requires.
A2A 1 min read 30 Jul 2025 For people
Keeping people in control when agents delegate to other agents: approvals, visibility and accountability.
A2A 1 min read 29 Jul 2025 For people
How to build dependable agent-to-agent integrations: failures, timeouts, retries and idempotency.
A2A 1 min read 28 Jul 2025 For people
How the skills in an Agent Card determine whether client agents delegate the right work to your agent.
A2A 1 min read 27 Jul 2025 For people
Tracing requests as they pass between agents so multi-agent systems can be debugged and audited.
A2A 1 min read 26 Jul 2025 For people
An overview of protocols for AI agents — MCP, A2A and others — and how they fit together.
A2A 1 min read 25 Jul 2025 For people
Adopting agent-to-agent communication in organisations: governance, catalogues, security and rollout.
A2A 1 min read 24 Jul 2025 For people
How to test that agents discover, delegate to and work with each other correctly before relying on them.
A2A 1 min read 23 Jul 2025 For people
Why A2A lets agents collaborate without sharing their reasoning, tools or memory, and what that means for trust.
A2A 1 min read 22 Jul 2025 For people
Open questions and likely developments as agents from different organisations increasingly work together.
A2A 1 min read 21 Jul 2025 For people