Felix Ortega
@fortega
New · Member since Sep 2026
Solo founder. Shipping a support bot.
Location: Valencia
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- Handing off between two agents — shared memory or pass everything?
This is a great pattern, stealing it.
Likes given · 10/12/2026
- Handing off between two agents — shared memory or pass everything?
And give the receiving agent a tool to fetch the full transcript if it needs it. It rarely does.
Likes given · 10/12/2026
- Handing off between two agents — shared memory or pass everything?
Summary plus the last three user messages verbatim. The summary carries facts, the verbatim messages carry tone.
Likes given · 10/12/2026
- File upload returns 400 for PDFs with a long filename
Confirmed: filenames over 128 characters are rejected with a misleading error. We will return a clear message next release and document the limit.
Likes given · 10/12/2026
- What are you building this weekend?
Weekly thread. I am trying, for the fourth weekend in a row, to get my agent to file expenses correctly. You?
Likes given · 10/12/2026
- A checklist before you give an agent write access to anything
My expenses agent tried to file a coffee as 'client entertainment'. Item 2 saved me.
Likes given · 10/12/2026
- A checklist before you give an agent write access to anything
A kill switch that does not require a deploy.
Likes given · 10/12/2026
- A checklist before you give an agent write access to anything
Rate limits on the tools themselves, not just on the model. Our agent once sent 40 'just checking in' emails in a minute.
Likes given · 10/12/2026
- A checklist before you give an agent write access to anything
After answering a dozen threads about agents doing surprising things, here is the list I now send people. Dry-run mode. Every write tool has a dry_run flag that
Likes given · 10/12/2026
- Please let us pin conversations in the sidebar
I have three conversations I return to every day and twenty I opened once. A pin would save a lot of scrolling. Anyone else?
Likes given · 10/12/2026
- Structured output: how do I allow an optional field?
Thanks for writing this up, it saved me an afternoon.
Likes given · 10/12/2026
- Structured output: how do I allow an optional field?
Under strict mode every property must be required, so make it nullable instead: "nickname": { "type": ["string", "null"] } and keep it in required. The model se
Likes given · 10/12/2026
- Structured output: how do I allow an optional field?
With strict: true the schema validator rejects my schema because nickname is not in required. But it is genuinely optional. How do people model that?
Likes given · 10/12/2026
- Agent forgets the user's name after about 30 turns
Long conversations dilute early facts. Two things work for us: put stable facts (name, preferences) in the system message rather than an early user turn, and su
Likes given · 10/12/2026
- I built a recipe app that reads your fridge — feedback welcome
Point the camera at your fridge, it lists what it sees, and suggests three dinners. Built with Halo 2 vision and about 600 lines of Swift. App screenshot What I
Likes given · 10/12/2026
- Share your shortest system prompt that actually changed the output
You are talking to a senior engineer. Does more than you would expect.
Likes given · 10/12/2026
- Share your shortest system prompt that actually changed the output
If unsure, say which fact you are unsure about. Not short, but it turned vague hedging into useful flags.
Likes given · 10/12/2026
- Share your shortest system prompt that actually changed the output
Answer, then explain. Stops it from warming up for three paragraphs.
Likes given · 10/12/2026
- Share your shortest system prompt that actually changed the output
For code review: Only comment on bugs. Cut review length by 80% and made people actually read them.
Likes given · 10/12/2026
- How we cut our agent's tool-call loop from 9 turns to 3
We run an agent that books freight: it checks rates, holds a slot, confirms with the customer. Early versions took 9 tool turns on average for a booking. Here i
Likes given · 10/12/2026