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The stack
The diagram reads top to bottom: interfaces first, compute last, with identity and observability standing beside every layer. Each section below lists its articles and the Pantone Color of the Year that marks it across the site.
Two planes touch every layer: identity and security decide what an agent may do; observability and evaluation record what it did. Foundations and Opinion sit outside the diagram as atlas and editorial.
The canonical taxonomy of the agent stack, the market's size, its returns and its labor ledger.
2 pieces · Classic Blue
Where agents meet people and enterprises: platforms, coding agents, browsers and voice.
4 pieces · Blue Iris
Mandates, card rails, stablecoins and the web3 ledgers that let software hold and move value.
3 pieces · Living Coral
Credentials for code, the OWASP agentic risks, the 2026 incident record and the rules taking shape.
4 pieces · Viva Magenta
Frameworks, sandboxes and the evidence on when many agents beat one.
3 pieces · Emerald
The stickiest layer: memory services, retrieval and the semantic contracts agents read.
2 pieces · Ultra Violet
MCP, A2A, the three ACPs, AP2, x402 and the payment-protocol contest.
3 pieces · Very Peri
The instrumentation plane: traces, evals and the benchmarks that age.
2 pieces · Marsala
Reasoning as a purchasable quantity: BRAID, test-time compute and token economics.
3 pieces · Mocha Mousse
The substrate's balance sheet: chips, gigawatts, guarantees and water.
1 piece · Chili Pepper
Bold, dated arguments from the editor about what 2027 rewards.
5 pieces · Illuminating