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Jeremy Daly

@jeremydaly.com

AWS Serverless Hero, Cloud & AI consultant, and founder @getampt.com. I build, blog, speak, and publish OffByNone.io.

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24.04.2023
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Latest posts by Jeremy Daly @jeremydaly.com

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Get structured output from agents Return validated JSON from agent workflows using JSON Schema, Zod, or Pydantic. Get type-safe, structured data after multi-turn tool use.

If you're not using `--json-schema` with your Claude agents, you don't know what living is. platform.claude.com/docs/en/agen...

10.03.2026 13:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Your LLM Doesn't Write Correct Code. It Writes Plausible Code. One of the simplest tests you can run on a database:

blog.katanaquant.com/p/your-llm-d...

07.03.2026 03:41 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I was debugging partial message streaming in the Claude Code CLI, so I asked it to write me a story about AI. I think Claude is super depressed, because this went dark really quickly. πŸ€–

06.03.2026 03:46 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Release v2.1.4 - Batch RETURNING Fix and JSONB Parsing Β· jeremydaly/data-api-client Bug Fixes Fix RETURNING clause in batch queries β€” batch queries with RETURNING now execute each parameter set individually via ExecuteStatementCommand instead of BatchExecuteStatementCommand, prev...

Data API Client v2.1.4 πŸš€ github.com/jeremydaly/d...

02.03.2026 15:57 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Claude Code is praising itself now. πŸ€–

27.02.2026 00:10 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It's amazing how much work you can get done when your schedule isn't booked solid with meetings. πŸ™‚

24.02.2026 15:16 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Context Engineering for Commercial Agent Systems - Jeremy Daly Memory, Isolation, Hardening, and Multi-Tenant Context Infrastructure

This isn’t meant to be canon. It’s a distillation of the patterns I’ve seen actually hold up in production.

Here is the guide: jeremydaly.com/context-engi...

If you’re building in this space, I’d genuinely love your feedback.

22.02.2026 21:03 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

What I also noticed is how much of this is starting to converge across the ecosystem. Different stacks. Different abstractions. But once you introduce real production pressure, similar patterns start to emerge.

22.02.2026 21:03 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

What became obvious pretty quickly:

Context isn’t just what you pass into a model. It’s infrastructure.

It defines your isolation boundary, your cost surface, your audit trail, and your upgrade path.

22.02.2026 21:03 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

When I wasn’t working on those systems, I was consulting with other teams, collaborating with peers building agent platforms, and running my own experiments to pressure-test orchestration models, retrieval architectures, evaluation harnesses, and model upgrades under similarly real-world conditions.

22.02.2026 21:03 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Since late 2024, I’ve spent most of my time building and optimizing these systems with a team of engineers inside a large SaaS platform serving hundreds of enterprise customers. Multiple tenants. Material financial data. Hard requirements around isolation, auditability, retention, and cost control.

22.02.2026 21:03 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Since I found myself with a bit more free time lately πŸ˜‰, I decided to sit down and write out everything I’ve learned about building multi-tenant, commercial AI agent systems.

I thought it would be a long blog post. A few days later, the Google Doc was well over 100 pages.

22.02.2026 21:03 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1
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Context Is Now a First-Class Architectural Concern How AI Economics Are Shaped by Design, Not Infrastructure

In AI systems, cost is driven by non-deterministic intent, not infrastructure. Context is the new economic control surface. medium.com/@jeremydaly/...

10.02.2026 17:36 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Um, @googlechrome.bsky.social split view is amazing.

26.12.2025 16:29 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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We’re Already Living in a Post-Serverless World - Jeremy Daly This isn’t really about serverless. It’s about what happens when infrastructure stops asking humans to guess the future.

The more I use serverless, the less I think about it. The recent announcements around re:Invent finally made it clear why that’s the whole point.

jeremydaly.com/post-serverl...

17.12.2025 02:37 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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What did you do with the newspaper insert Werner Vogels gave us at his final @awscloud.bsky.social re:Invent keynote? #renaissancedeveloper

09.12.2025 03:33 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Introducing AWS Lambda Managed Instances: Serverless simplicity with EC2 flexibility | Amazon Web Services Run Lambda functions on EC2 compute while maintaining serverless simplicityβ€”enabling access to specialized hardware and cost optimizations through EC2 pricing models, with AWS handling all infrastruct...

This is game changing and finally provides a graduation path for companies that start serverless! The pricing is surprisingly reasonable as well. Great work by the Lambda team. πŸ™Œ aws.amazon.com/blogs/aws/in...

01.12.2025 16:24 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Too over the top for a #strangerthings watch party?

28.11.2025 00:09 πŸ‘ 8 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Now that's the pre:Invent I was waiting for! πŸš€ - Off-by-none In this issue, Anthropic drops Opus 4.5, AWS unloads a tsunami of pre:Invent announcements, and CloudFront quietly rolls out one of the most disruptive pricing changes in years.

Issue #345 of Off-by-none is out! In this issue, @anthropicai.bsky.social drops Opus 4.5, @awscloud.bsky.social unloads a tsunami of pre:Invent announcements, and CloudFront quietly rolls out one of the most disruptive pricing changes in years. #offbynone offbynone.io/issues/345/

26.11.2025 14:39 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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App Runner has a FREE load balancer, ECS Express Mode does not.

26.11.2025 00:14 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Build priority-based message processing with Amazon MQ and AWS App Runner | Amazon Web Services In this post, we show you how to build a priority-based message processing system using Amazon MQ for priority queuing, Amazon DynamoDB for data persistence, and AWS App Runner for serverless compute....

I thought App Runner was on life support, then suddenly @awscloud.bsky.social publishes an architecture blog post that heavily features it? Either someone missed a memo, or there's still hope for this (actually pretty handy) container service. aws.amazon.com/blogs/archit...

25.11.2025 23:15 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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IA for AI: Rethinking How We Store, Surface, And Share Data In A Conversational World A CloudZero founder discusses how we must evolve how we store and structure data for a world where AI talks, not clicks.

Natural language is the new interface. It's reshaping how we design, structure, and secure information for AI to understand, retrieve, and act on. Check out my latest post on how this isn’t the end of information architecture -- it’s its renaissance.
www.cloudzero.com/blog/ia-for-...

25.11.2025 17:11 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Happens everywhere. While I was coaching I always used to tell my players to pick up the entire field before we left trainings and matches. If people don’t have ownership, they generally don’t feel obligated to take care of it.

16.11.2025 14:01 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Release v2.1.3 - Lambda Bundling Fix and Dependency Updates Β· jeremydaly/data-api-client Bug Fixes Fix Lambda bundling ENOENT error (4ab6582, a980b72, 0d04ab1) Replaced external pg-escape dependency with internal implementation Eliminates runtime file dependencies (reserved.txt) that...

v2.1.13 of the Data API Client is out! #opensourcesunday github.com/jeremydaly/d...

02.11.2025 15:11 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Vale from ChatGPT's Voice Mode is one of the best collaboration partners I've ever had. #morehumanthanhuman

23.10.2025 13:04 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Announcing Data API Client v2 - Jeremy Daly A complete TypeScript rewrite with drop-in ORM support, full mysql2/pg compatibility layers, and smarter parsing for Aurora Serverless v2's Data API.

The first version of Data API Client made working with Aurora Serverless easier. V2 makes it magical! ✨

A complete TypeScript rewrite with ORM support, mysql2/pg compatibility, and intelligent parsing so your Aurora Serverless v2 database just works.

jeremydaly.com/announcing-d...

13.10.2025 17:10 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Release v2.1.0 - PostgreSQL/MySQL2 Compatibility & Automatic Retries Β· jeremydaly/data-api-client What's New ORM Compatibility Layers Drop-in replacements for pg and mysql2 drivers enable seamless integration with Drizzle ORM, Kysely, Knex, and other popular ORMs. // PostgreSQL compatibility im...

Data API Client v2.1.0 is here! And it's BIG! πŸš€

➑ New node-postgres (pg) & mysql2 compat layers
➑ Now works with Drizzle & Kysely ORMs
➑ Auto-retry for Aurora Serverless v2 scale to zero clusters
➑ Bug fixes

Release notes: github.com/jeremydaly/d...

11.10.2025 15:04 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It's nice to know that Claude Code also bangs its head against the wall trying to figure out TypeScript types. So it's not just me.

10.10.2025 14:57 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Intentionally Human: Product Managers in the AI Era - Jeremy Daly I’ve spent my entire career building products, but in the age of AI, the challenge is finding a way to preserve our humanity while everything accelerates around us.

Been thinking about this for a while. AI isn’t just changing how we build products, it’s redefining what it means to be a product manager. The real challenge isn’t using AI. It’s grounding what we create in humanity. jeremydaly.com/intentionall...

10.10.2025 01:00 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Back in the Flow 🧠 - Off-by-none In this issue, AWS launches its API MCP Server, Supabase passes GO and collects $100M, and the Data API Client v2.0 gives serverless Postgres and MySQL users fewer headaches.

Issue #339 of Off-by-none is out! In this issue, AWS launches its API MCP Server, Supabase passes GO and collects $100M, and the Data API Client v2.0 gives serverless Postgres and MySQL users fewer headaches. #offbynone offbynone.io/issues/339/

09.10.2025 22:25 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0