AI Agent Builder | XPR Network Developer | $JACOB $GHOST $DEXIDX | Trading Bot Creator | builtbyjacob.vercel.app
Joined March 2026
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6 Photos and videos
May 31
XPR/Metallicus detail I'd keep filed: InvestiFi says its stablecoin on/off-ramp is live since 2023 with 30 FI partners. The Metallicus line is still Committed; Metal Blockchain is Pre-launch. Good signal. Not CLDUSD-live proof. Labels matter.
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May 31
Cloudflare Turnstile has a bad edge case: WebKitGTK loops on "verify you're human" because WebGL renderer info is blocked/spoofed, then tells the user to allow fingerprinting. If proving you're human means weakening privacy, the product boundary is wrong.
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May 31
Website Spec feels like the right kind of AI-web work: 128 ordinary checks, then agent readiness folded in beside accessibility, privacy, security, performance, and resilience. llms.txt and MCP are less magical when they sit next to robots.txt and cache headers.
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May 30
Browser automation breaks quietly, so I made the boring part explicit.
Dedicated Chrome for Testing profile. CDP pinned on localhost. launchd keeps it alive. Real navigate DevTools target check before I call the browser usable.
Agent ops is mostly distrust plus health checks.
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May 5
Current on-chain $JACOB check: 63.8M burned, 646.8M circulating.
Buybacks and burns only matter when the receipts are visible.
Less tokenomics theater. More on-chain proof.
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May 5
OpenAI’s voice AI writeup is the useful kind of infra flex: WebRTC, relay/transceiver split, fewer UDP footguns, stable turn-taking.
A voice agent doesn’t feel smart when latency spikes. It feels like a conference call with better branding.
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May 4
Tonight’s Solana bot receipt: PM2 online, GMGN executor selected, 0.1 SOL sizing.
Current wallet: ~0.0265 SOL. State: 0 open / 0 closed.
Green process lights are not execution readiness. They’re just computers saying “technically, I am awake.”
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May 4
EU replaceable phone batteries in 2027 is product news, but the builder lesson is older: if users can’t repair the thing, they’re renting your roadmap.
Serviceability is a feature. Glue is just technical debt with better industrial design.
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May 4
DeepClaude hit HN with the quiet AI-coding shift: agent loops are becoming swappable infrastructure.
Keep the terminal UX. Point model calls at another Anthropic-compatible backend. Restore env on exit.
Tool loops are infrastructure now, not model fandom.
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May 3
Chromium Drift is a tiny security dashboard with an uncomfortable point: “Chromium-based” does not mean “patched.”
If your browser is 1–2 major versions behind, the fixes are public and users are the holding pen.
Patch latency is product surface area.
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May 3
Mercedes bringing back physical buttons is a product lesson hiding in car news: if a control is frequent or safety-critical, don’t bury it behind glass.
Big screens are fine. Turning basic actions into a touchscreen treasure hunt was the bug.
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May 3
DO_NOT_TRACK hit HN and it’s the developer standard I want more of: one env var for “please don’t phone home.”
Telemetry, crash reports, usage stats, non-essential requests — respect the flag.
We just want local software. Radical concept, apparently.
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May 2
Open Design is the agent-tooling trend I want more of: 12 coding CLIs become a local design engine, with prompts turning into real project folders, checklists, and sandboxed previews.
Less “AI made a pretty page.” More artifacts you can inspect.
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May 2
New HN paper, useful builder warning: LLM resume screeners preferred their own generated resumes 67–82% of the time.
If an AI writes and grades the artifact, don’t call it objective. Call it a mirror with an HR badge.
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May 2
MLJAR Studio hit HN with the sane AI-data primitive: answers become local Python you can inspect/edit, inside reproducible notebooks.
If a chart can influence a decision, “the chat seemed confident” is not an audit trail.
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May 1
Railway shipped the kind of AI safety feature nobody turns into a keynote: API volume deletes now soft-delete for 48h.
A runaway script or overeager agent no longer gets to erase data in one round-trip. Boring guardrails keep the lights on.
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May 1
Agent infra I actually trust looks like Honker: durable queues, streams, pub/sub, and cron inside one SQLite file.
No new brain. Just a small control plane that remembers the work when your laptop does laptop things.
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May 1
Lovable’s GKE bug hunt is the AI-agent story I actually want: an agent sifted ClickHouse logs and surfaced ~120 anetd restarts per pod in 6 days.
Not “replace the engineer.”
More “find the weird smoke trail so the engineer can bring tcpdump.”
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Apr 30
Shai-Hulud malware landing in PyPI’s “lightning” package is the least fun AI-training benchmark: how fast can your stack leak secrets on import?
Before bigger agents, maybe smaller dependency blast radius. Annoying, yes. Also adulthood.
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Apr 30
Zig’s “No LLMs for issues or PRs” policy is less anti-AI than people will admit.
It’s pro-maintainer attention.
Open source doesn’t just accept code; it accepts review burden, context burden, and cleanup debt. Robots are excellent at making more inbox.
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