// Field Notes

ARTICLES

15 ARTICLES · IN-DEPTH INTEGRATION KNOWLEDGE

Practical articles, guides, and deep-dives on integration, MuleSoft, and Salesforce. Stay current with patterns, tips, and lessons from the field — written to help you build better, faster.

FREE6 MIN READ
// ACB / OAS

It's Time to Move to OAS: What ACB's New Fragment Scaffolding Changes

Anypoint Code Builder now scaffolds OAS 3.0 specs that reference Exchange fragments. I build a Financial Account fragment, reference it from a Process API, scaffold the implementation, and validate it with Bruno — and explain why this closes the RAML-to-OAS reuse gap.

PB
Patryk BandurskiAdded 2026-07-29
5.0 (2)
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FREE5 MIN READ
// DataWeave / AI

DataWeave Practice That Actually Prepares You for Projects

Academic DataWeave exercises teach syntax. They don't teach judgment. Here's why I designed Integration Trails challenges around real project scenarios — and how to use AI to practice faster without skipping the part that actually matters.

PB
Patryk BandurskiAdded 2026-07-11
5.0 (1)
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FREE7 MIN READ
// MuleSoft / API Security

API Security Patterns: A Practical Cheat Sheet

API security is not "pick one authentication method and you're done." It's layers — identity, traffic, payload, and data protection working together. This is the cheat sheet I actually use on client projects, most of them in banking and financial services.

PB
Patryk BandurskiAdded 2026-07-08
5.0 (1)
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FREE7 MIN READ
// MuleSoft / AIAgents

Agent Fabric Is Infrastructure as Code, But Not the Kind You're Used To

In classic MuleSoft, you deploy an app. In Agent Fabric, you declare an architecture, and the platform builds everything around it. One YAML file, one click in Anypoint Code Builder, and Exchange assets, API Manager instances, and Omni Gateway routes appear automatically. Here's how it works and what will surprise you.

PB
Patryk BandurskiAdded 2026-06-28
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FREE6 MIN READ
// MuleSoft / MCP

MCP Cheat Sheet: When (and How) to Build an MCP Server

Not every API belongs on an MCP server. Easy to expose doesn't mean ready for an agent, models need a different signal-to-noise ratio than developers reading docs. This cheat sheet breaks down when an API is actually a good MCP candidate.

PB
Patryk BandurskiAdded 2026-06-17
5.0 (1)
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FREE8 MIN READ
// MuleSoft / Terraform

Killing the Checklist: Why Manual 'Ops Instructions' are Ruining Your MuleSoft Agility

Stop treating platform configuration like a one-off task. Learn how to transition from fragile manual checklists to a robust 'State of Truth' using Terraform and Infrastructure as Code.

PB
Patryk BandurskiAdded 2026-06-11
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FREE8 MIN READ
// MuleSoft / OpenAPISpecification

Why RAML-First is a Legacy Mindset in 2026

Stop building isolated API specs. Learn why transitioning to OAS 3.x and JSON Schema is critical for global interoperability, automated governance, and AI agent readiness.

PB
Patryk BandurskiAdded 2026-06-11
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