Portrait of Macy Mody

Author

Macy Mody

Macy Mody writes about production LLM agents, agent observability, and AI agent optimization at Papaya.

macy@papaya.fyi
  • Agent optimization
  • LLM observability
  • Production agent workflows

Articles and posts by Macy Mody

Comparisons

Langfuse Alternatives (2026): 7 Tools Compared

Why teams leave Langfuse, what each alternative is best at, verified pricing and licensing as of October 2026, and when Langfuse is still the right call.

Comparisons

LangSmith Alternatives (2026): 7 Tools Compared

Per-seat pricing, retention, self-hosting, and framework fit: why teams leave LangSmith, what Engine does that you would give up, and the best alternative for each situation.

Comparisons

Braintrust Alternatives (2026): 7 Tools Compared

The $249 jump, data-plus-scores metering, and enterprise-only self-hosting: why teams leave Braintrust, the best alternative for each reason, and when Braintrust is still right.

Agent optimization

How to Turn Agent Traces into Improvements

Most teams collect traces and never act on them. The agent improvement loop that turns traces into ranked, shipped, and verified fixes, and what those fixes usually look like.

Agent reliability

AI Agent Failure Patterns: A Field Guide from Production Traces

False completion, retry loops, ignored tool errors, context bloat, skipped verification. The ten patterns behind most production agent failures, as they actually appear in traces.

Article

Agent Optimization vs. Observability: Why Watching Isn't Fixing

Your dashboard saw the bad run and did nothing. The gap isn't between having data and not — it's between seeing what happened and knowing what to change.

Product updates

Product Updates - June 16

The Papaya team has been hard at work filling feature requests. Here are some of the latest from this week's releases.

Blog

Observability is not enough.

Teams are buying observability, but it seems that what they need is prediction and action.