Agents: Stop Hallucinating Exactly-Once Execution
benyounesarabah · reddit · 2026-07-13
The author points out that "exactly-once execution" is a myth in distributed systems, and the agent stack shouldn't treat it as a realistic guarantee.
A more practical approach includes:
- Accepting at-least-once delivery
- Making external side effects idempotent
- Attaching an idempotency key to every external call
- Deduplicating on the receiving end and skipping completed steps during replays
The conclusion: don't try to eliminate duplicate calls; design them to be harmless.
More from coding & agent
- An MCP server signs every AI agent tool call into a verifiable Merkle chain — Funky_Chicken_22 · 2026-07-22
- Claude Code skill uses 10 Markdown rules to make outputs ADHD-friendly — alex_verem · 2026-07-22
- A Firecracker-based platform says it can host 6,000 AI agents on one 256 GB server — maritime_sh · 2026-07-22
- A better path to agent autonomy is running waves, finding friction, and iterating — JnBrymn · 2026-07-22
- AI agent designers map the visual and tonal cues behind companionship products — Unlikely-Platform-47 · 2026-07-22
- Coding agents are heading toward an AI-writes, AI-reviews, human-approves workflow — aftahi_ai · 2026-07-22