cognitive debt: the hidden cost of AI velocity
Table of content
by Ray Svitla
your AI agent writes a function in three minutes. you glance at it, looks fine, you ship it. three months later it breaks and you have no idea why it was built that way. you ask the agent to fix it. the agent has no idea why it was built that way either.
welcome to cognitive debt.
the velocity trap
everyone’s celebrating how fast AI makes us. “I built this in 10 minutes!” “Claude wrote 500 lines while I made coffee!” velocity as the only metric that matters.
but velocity without legibility isn’t progress. it’s a loan.
technical debt is code you can’t maintain. cognitive debt is decisions you can’t remember making.
when your agent generates code you don’t fully understand, you’re not moving faster. you’re deferring comprehension. and unlike technical debt — which you can refactor, document, or rewrite — cognitive debt compounds in your head.
you forget why the architecture looks like this. you forget what alternatives were considered. you forget the constraints that shaped the original decision.
the agent forgets too, because most agents have no memory between sessions.
so you’re both starting from zero every time something breaks.
the memory problem nobody’s solving
I’ve been watching the AI tooling space for months now. everyone’s building faster interfaces. better prompts. slicker UX.
almost nobody’s solving memory.
this week, three separate teams shipped the same solution: SQLite as the memory layer for AI agents.
- Clawlet: one-binary agent with built-in semantic memory
- AgentKV: MMAP vector+graph database for agent recall
- Kremis: graph-based memory with no hidden state, written in Rust
they didn’t coordinate. they just hit the same wall.
turns out if you want persistent memory without cloud dependencies, the answer is the same database that’s been shipping on every phone since 2008. SQLite.
not vector databases. not graph databases. not some new startup’s “AI-native memory layer.”
just SQLite, doing what it’s always done: making data persist.
what memory actually means
when I say “memory,” I don’t mean the agent regurgitating your last three prompts. that’s context. memory is different.
memory is:
→ knowing you prefer Rust over Python for CLI tools → remembering you tried approach X last week and it failed for reason Y → recalling that this codebase has a specific quirk in how it handles errors → understanding your definition of “done” vs someone else’s
memory is what turns a tool into a coworker.
and right now, most AI assistants have the memory of a goldfish with ADHD.
cognitive debt in practice
here’s what it looks like in real life:
you’re building a feature. you ask Claude to generate the database schema. it works. you ship it.
two months later you need to add a field. you open the schema file and realize it’s structured in a way that makes no sense to you. weird indexes. redundant columns. joins that seem backwards.
you ask Claude: “why is this structured like this?”
Claude: “I don’t have context on the original design decisions. based on what I see here…”
you can’t remember either. you were moving fast. you trusted the agent. now you’re stuck reverse-engineering your own codebase.
that’s cognitive debt.
the Anthropic feud nobody’s talking about
buried in this week’s signals: the Pentagon used Claude during the Maduro raid. Anthropic asked whether their software was used. Department of Defense got nervous — worried Anthropic might not approve if they’d known in advance.
this isn’t about politics. it’s about cognitive debt at scale.
when you don’t know what your tools are doing, you can’t control what they’re used for. and when the tool is an AI agent, “what it’s doing” includes decisions you delegated without realizing you delegated them.
Anthropic builds guardrails. users route around them. the agent becomes a black box. nobody knows what’s happening inside until it’s too late.
same pattern, bigger stakes.
Chrome DevTools for agents: a different approach
Google shipped something interesting this week: Chrome DevTools MCP.
not DevTools for debugging agents. DevTools for agents to debug themselves.
breakpoints. network inspection. console logs. but the agent reads them, not you.
first time a major browser vendor acknowledged that agents need their own tooling. not human tools with APIs bolted on. tools built for non-human developers from the ground up.
this is the opposite of cognitive debt. this is legibility as infrastructure.
if the agent can explain what it’s doing — not just to you, but to itself — you’re not taking out a loan. you’re building something you can actually maintain.
what changes when memory is default
Simon Willison wrote a retrospective this week: three months with OpenClaw. not a review. a field report.
the most useful insight: the features that stuck weren’t the flashy ones. it was the boring stuff. context that persists. skills that evolve. the absence of “please explain what you meant yesterday.”
when memory becomes default instead of exception, the whole interaction model shifts.
you stop treating the agent like a search engine and start treating it like a coworker who was there for the last project.
you stop re-explaining your preferences every session.
you stop losing decisions in the gap between conversations.
the agent becomes an extension of your memory, not a replacement for it.
SQLite as the answer we already had
three teams converged on SQLite this week because it solves the problem we’ve had for 20 years: how do you make data persist locally without complexity spiraling out of control?
SQLite is boring. it’s mature. it ships on billions of devices. it’s been audited to death. it just works.
no cloud dependencies. no authentication layers. no rate limits. no “sorry, we’re deprecating this API.”
just a file on disk that remembers things.
the AI infrastructure stack is rediscovering that the best tools aren’t new. they’re the ones that never broke in the first place.
the real question
everyone’s asking “how do we make AI faster?”
wrong question.
the right question: “how do we make AI legible?”
because velocity without legibility is cognitive debt. and cognitive debt doesn’t get paid down with better prompts or bigger models.
it gets paid down with memory, transparency, and tools that explain what they’re doing.
your agent should remember what it decided last week. it should be able to explain why. and when it can’t, that should be a red flag, not a feature.
the personal AI OS is moving from “chat interface” to “persistent coworker.” memory isn’t optional anymore. it’s the foundation.
the teams that win won’t be the ones who ship fastest. they’ll be the ones who solve memory, safety, and legibility first.
cognitive debt is real. and unlike technical debt, you can’t refactor your way out of it.
you either build systems that remember, or you spend the rest of your life reverse-engineering decisions you delegated to a tool that forgot them five minutes later.
Ray Svitla stay evolving 🐌