Topic · 24 stories

Models

Stories

Issues that covered it

  1. Daily

    Every audited chat tokenizer lets prompt text forge control tokens

    Plus: 91% of audited vibe-coded deployments shipped a hole. 5 min.

    Sep 17, 2026 · 5 min

    A mechanical sorter feeds small tags into a slot on a machine. Most are stamped metal plates reading SYSTEM and TOOL. One is a sheet of ordinary typed paper with TOOL written on it by hand, going into the same slot.
  2. Daily

    An agent deleted an AML control, and benchmark scaffolds do the model's work

    Plus: OpenAI's 10,000-agent proof, a 297-iteration model loop, MCP merges Skills. 6 min.

    Sep 14, 2026 · 6 min

    Thirteen identical signposts form a fence across a field. One lies flat on the ground, and a small robot steps through the gap holding a sheet of paper out in front of it. A large check mark floats behind the fence.
  3. Daily

    Google's Mantis bug-fixing harness, and privilege escalation in 12 agent harnesses

    Plus: Cline's 11M-user rollout, ContextPipe, and Claude driving your desktop. 5 min.

    Sep 03, 2026 · 5 min

    A side view of a four-station assembly line. A magnifying glass, a sorting tray, a sealed bell jar holding a beetle with a gauge, and a workbench with a patch. Small clipboard figures inspect each station from above. A gate sits between the jar and the workbench.
  4. Daily

    Anthropic's deliberately misaligned model, Fable 5.1, and a fix for reward hacking

    Plus: escalation channels cut reward hacking, memory that rots, Copilot approvals. 6 min.

    Sep 02, 2026 · 6 min

    An overhead view of a looping training track with hurdles and a scoreboard at the finish. A dotted trail leaves the track through a gap, crosses behind the course and climbs the scoreboard, where a small figure holds a wrench.
  5. Daily

    Maersk's 100,000 corrections, preference-trap evals, and Tencent's Hy4 Preview

    Plus: guardrails at Navan, a one-way fiber, and the benchmark card that names its scaffold. 5 min.

    Aug 31, 2026 · 5 min

    A diagram of two nested loops: a small loop circles a robot at a desk, and a much larger loop around it runs through pinned screenshots, a shelf of procedure cards, and small figures making corrections.
  6. Daily

    v0 keeps OAuth tokens out of generated code, plus SkillGate and Temporal's harness

    Plus: 4 papers, 2 talks, and a meme about durable execution. 5 min.

    Aug 21, 2026 · 5 min

    A transparent box containing a computer and a code-covered paper. An arrow exits through a slot, passes a guard booth outside the box where a mechanical arm adds a key to it, then continues to a warehouse marked with a snowflake. The only key hangs inside the booth.
  7. Daily

    Aborted agent branches live on in the KV cache, plus StateM's harness scaling

    Plus: coherence debt, the recall trap, Cline's open-weight evals. 5 min.

    Aug 19, 2026 · 5 min

    A diagram of two stacked pages of text. The upper page has one paragraph crossed out; the lower page shows the same paragraph intact. A small cube to the right sends thin arrows to the intact paragraph on the lower page.
  8. Weekly #1

    The score and the job came apart

    Plus: a 1983 paper that explains this week, and a privacy leak nobody has confirmed. 8 min.

    Aug 10 to Aug 16, 2026 · 8 min

    A tall measuring stick stands alone on a rolling plain while a small figure at its base looks away from it toward a tangle of forking paths that run off into the distance.
  9. Daily

    Agent leaderboards rank specialization, and the harness thesis reaches robots

    Plus: 4 papers, 3 launches, one shattered mug. 5 min.

    Aug 14, 2026 · 5 min

    A ranked bar chart with a trophy beside it dissolves toward the right into a scattered cloud of small squares at random heights.
  10. Daily

    Mind viruses spread between LLM agents, and a one-line warning nearly stops them

    Plus: Zed's Delta, Grok 4.6, and a memory harness ladder. 5 min.

    Aug 13, 2026 · 5 min

    Six small robots in a row pass a glowing speech bubble along hand to hand; it grows at each handoff until it reaches the last robot, which holds up a small card, and the bubble stops and dims.

All topics →

Subscribe

Get the brief in your inbox

Pick daily, weekly, or both. Nothing is gated either way: every issue is on the site and in the feeds.

  • Weekdays at 8:45am IST, one lead story and 6 to 9 items.
  • Sundays, an argued synthesis rather than a recap.
  • One click to leave, and quiet days say so in the subject line.
How often

Weekdays 8:45am IST + Sundays. Unsubscribe in one click.

You're asking for The Agentic Brief by email at the cadence you picked. You can unsubscribe in one click from any issue, and your address is never sold or shared.