How to Apply Anthropic’s Prompt Guide

Discover practical insights from Anthropic’s prompt guide focused on precision and structure. Learn to craft effective prompts for Claude, with explicit instructions and realistic examples. Test and refine prompts using actual product data for reliable outputs and safe behavior.

MCP vs API: Architecture Patterns for AI Agents and Applications

What actually powers the AI workflows teams are building today? Behind every agent action, data lookup, prompt evaluation, and automated workflow sits a collection of protocols and interfaces making it possible. Two of the most important, and often confused, are MCPs and APIs. At PromptLayer, we encounter both regularly while

What Is Agent Evaluation? A Practical Guide for AI Teams

Agent evaluation is the process of testing whether an AI agent reliably completes the task it was built to do across real inputs, edge cases, and new versions. For AI teams, agent evaluation is what turns “the demo worked” into “we can ship this with confidence.” It helps teams catch

BrainTrust Alternatives - The Best Prompt Management Platforms in May 2026

Introduction If you’re evaluating Braintrust, you’re probably not “just browsing” - you’re already thinking about the operational reality: tracing volume, evaluation cost, and how quickly your team can ship changes. Braintrust’s public pricing is transparent about core drivers like trace spans, processed data/storage, scores, and retention,

The Antidote is Soul

How do you stand out in the age of agents? Every website has cool animations now. Every SaaS landing page has the same purple gradients, the same floating illustrations, the same polished corners. AI made perfection free. Every digital meal is a bowl. We live in the age of bowlslop.

We hosted the first Vibe Coding Olympics

Last week we hosted the first-ever Vibe Coding Olympics in the heart of New York City: a three-round, aggressively time-boxed hackathon where the only score that mattered was whether the result felt good. Prompting used to be the hard part. Now the hard part is deciding what

The emergence of Agent-First Software Design

There's a shift happening in how we build software. For decades, programming meant writing explicit if/else decision trees. Parse this response. Handle this edge case. Chain these steps together. But a new paradigm is emerging where the job of the software engineer isn't to write

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