2026-04-21

Denoise · Twitter

Today's engineering Twitter report highlights tweets gaining unusual engagement velocity.

2026-04-212026-04-22T07:46:55Zrules twitter-v1Healthytweets 26signals 28

Top 3 changes

  • @AnthropicAI (Terminal Agents & AI Coding): score 7500, badge rising.
  • @AnthropicAI (Terminal Agents & AI Coding): score 6860, badge rising.
  • @OpenAI (AI Infra & Protocols): score 5785, badge rising.

Categories

Terminal Agents & AI Coding(5)

Terminal Agents & AI Coding: at least one tweet in this cluster is rising today by engagement.

  • Anthropic@AnthropicAIrising

    Responsible disclosure on a Claude jailbreak chain we patched last week. Full write-up including our red team timeline.

    5.2k910" 160220· score 7.5k· +1 related
  • Anthropic@AnthropicAIrising

    Claude Code 1.5 is live. Terminal-native coding agent with full Claude Opus reasoning, file-ops sandbox, and session replay.

    4.8k820" 140190· score 6.9k· +1 related
  • Andrej Karpathy@karpathyrising

    The developer-experience shift from IDE to terminal agent is underrated. Coding workflows are about to look nothing like 2024.

    3.4k510" 30140· score 4.5k
  • swyx@swyxrising

    Codex vs Claude Code terminal agent benchmarks. Pass@1 diverges more than I expected on the long-context editor tasks.

    1.1k180" 2260· score 1.6k
  • @levelsio@levelsiorising

    Switched my whole editor setup to Claude Code this week. Shipping faster than when I used Cursor + Copilot.

    58040" 680· score 678

AI Infra & Protocols(5)

AI Infra & Protocols: at least one tweet in this cluster is rising today by engagement.

  • OpenAI@OpenAIrising

    New agent SDK: protocol-level tool calling, deployment harness, and multi-worker orchestration primitives. Docs live.

    4.2k680" 75180· score 5.8k
  • Vercel@vercelrising

    Edge runtime for agent workers is live. Spawn durable background agents from any serverless deployment.

    54080" 622· score 718
  • Replit@replitrising

    New agent deployment harness. One command to go from local orchestration to hosted agent worker.

    38055" 518· score 505
  • Temporal@temporaliorepeated

    Orchestrating agents with durable workflows: replayable, resumable, and multi-worker by default. Walkthrough from our infra team.

    31048" 414· score 418
  • Jerry Liu@jerryjliu0repeated

    Dataset curation for agent training: how we filter synthetic data that looks good but poisons generalization.

    26036" 211· score 338

Prompt Engineering & Data(5)

Prompt Engineering & Data: at least one tweet in this cluster is rising today by engagement.

  • Mistral AI@MistralAIrising

    Open dataset release: 100M-row web OCR dataset. Cleaned, licensed, ready to train.

    2.6k390" 3088· score 3.5k
  • DSPy@dspy_airising

    DSPy 3.0: prompt optimization via compile-time search over system prompt variations. Benchmarks inside.

    960150" 1242· score 1.3k
  • Notion@NotionHQrising

    Notion workspace automation is out of beta. Auto-fill tables, chained updates across databases, and a new audit log surface.

    820125" 1238· score 1.1k
  • dotey@doteyrising

    Five prompt tricks learned this week from reviewing 200 production prompts. Short thread.

    51088" 830· score 710
  • Weights & Biases@weights_biasesrising

    System prompt benchmarking at scale: we ran 40k variants across 6 frontier models. The efficient frontier is not where you think.

    42055" 620· score 548

Memory & Knowledge Management(5)

Memory & Knowledge Management: at least one tweet in this cluster is rising today by engagement.

  • Vaibhav Srivastav@reach_vbrising

    Tested the new 10M context memory window end to end. Surprising failure modes around rag retrieval cache invalidation, thread below.

    1.9k260" 2275· score 2.5k
  • LangChain@LangChainAIrising

    MCP protocol integration thread. How to wire existing LangGraph agents into the Anthropic Model Context Protocol server spec.

    920145" 1448· score 1.3k
  • Greg Kamradt@GregKamradtrising

    RAG is dead, long live context engineering. My framework for when to cache, when to retrieve, and when to just dump memory into the prompt.

    820130" 1654· score 1.1k
  • mem0@mem0airising

    Memory layer for agents: differentiating working memory from the subconscious store. Vector index isn't enough anymore.

    48072" 525· score 639
  • Jason Liu@jxnlcorepeated

    Vector db beauty contest. Ran 50k RAG queries against 6 vendors. Results inside, free.

    36048" 314· score 465

Autonomous Security(3)

Autonomous Security: at least one tweet in this cluster is rising today by engagement.

  • Google DeepMind@GoogleDeepMindrising

    New red team framework for prompt injection in autonomous agents. Covers cross-tool leakage, scanner evasion, and sandbox escape patterns.

    880140" 1838· score 1.2k
  • Alex Albert@AlexAlbert__rising

    When your security scanner finds nothing scary on an agent deploy, check the orchestration layer again. That's usually where the jailbreak sneaks through.

    42060" 835· score 564
  • MalwareTech@MalwareTechBlogrepeated

    Autonomous agent running pentest flows against a real SaaS. First real-world run: fewer false positives than I expected on the vulnerability surface.

    18028" 315· score 245

Productivity & Specialized Apps(3)

Productivity & Specialized Apps: at least one tweet in this cluster is rising today by engagement.

  • Linear@linearrising

    Linear now auto-triages incoming issues. Quiet launch, but already our favorite workspace feature of the year.

    46070" 624· score 618
  • James Clear@jamesclearrepeated

    The best habit tracker is the one you actually open. Three open-source alternatives worth trying.

    28042" 318· score 373
  • Ben Andrew@BenAAndrewrepeated

    The sourdough app I shipped in 48 hours is now my most-used side project. Source and write-up linked.

    14022" 210· score 190

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