edwardca.dev
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Overview

Writing

Systems Design Meditations

Technical reflections on systems, AI, infrastructure, identity and building technology in the real world.

The Agent Is Not the System
Meditation 13 min read

The Agent Is Not the System

Why AI Is Becoming an Infrastructure Problem

AI agents turn model outputs into operational actions, making identity, observability and rollback architectural requirements.

AISystems ArchitectureDevSecOpsDistributed Systems
Edward Calderón

Edward Calderón

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After APIs
Meditation 23 min read

After APIs

Why MCP Signals a New Infrastructure Layer

MCP is evidence that agent-to-system interaction needs a protocol layer for discovery, context and bounded capability.

AIMCPDistributed SystemsSystems Architecture
Edward Calderón

Edward Calderón

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Identity for Machines
Meditation 33 min read

Identity for Machines

Authorization in the Agentic Internet

Agentic systems need verifiable delegated authority, not merely valid machine credentials.

Digital IdentityAIZero TrustSecurity
Edward Calderón

Edward Calderón

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Portable Trust
Meditation 53 min read

Portable Trust

Why Digital Identity Is Really an Interoperability Layer

Digital identity creates leverage when trusted verification can cross institutional boundaries.

Digital IdentityInteroperabilityLATAMDistributed Systems
Edward Calderón

Edward Calderón

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