#ai agents

AI agent jobs with checkpoints, comparing whole-job retries against per-step checkpointing on wasted model calls and duplicate side effects

Checkpointed agent jobs wasted 5x fewer model calls

Retrying a whole ten-step AI agent job after any failure wasted 4,143 model calls on 2,000 jobs, lost 75 jobs for good, and ran the email step twice for 273 jobs. Saving a checkpoint after each step

Fri Oct 23 2026 · 10 min read · 2 views

AI

Cost model comparing Neon and Xata database branching pricing for AI agent fleets

What Giving Every AI Agent Its Own Database Branch Costs

Methodology: every rate below comes from Neon's and Xata's own pricing pages, read directly rather than from a comparison site. The cost model that follows states its assumptions in each row, so you

Wed Oct 14 2026 · 7 min read · 1 views

AI

Latency benchmark comparing Redis and PostgreSQL for AI agent session memory

Redis vs Postgres for AI Agent Memory, Actually Measured

Test setup and methodology: we seeded 2,000 fake agent sessions into a local PostgreSQL 18.1 table and a local Redis 8.4.0 instance. Each held a roughly 1.2KB JSON payload modeled on a real agent

Wed Oct 14 2026 · 6 min read · 2 views

AI

Three 2026 CVEs showing how Postgres MCP server read-only mode can be bypassed

Postgres MCP Read-Only Mode Can Be Bypassed

Methodology: every claim below traces to a named security advisory or vendor bulletin, cross-checked between at least two independent sources where both existed. No exploit code was built or run for

Wed Oct 14 2026 · 8 min read · 3 views

AI

Code editor showing an AI SDK 7 result object with usage tokens aggregated across multiple agent steps

AI SDK 7 Changed usage. Your Token Counts Are Now Wrong

If a project upgraded to AI SDK 7 and its per-request token costs suddenly look higher than before, nothing is actually costing more. result.usage used to report only the final step's tokens. In AI

Tue Sep 29 2026 · 6 min read · 6 views

AI

Amazon Bedrock prompt caching write and read pricing multipliers

Bedrock cache writes ate 85 percent of one AI bill

Prompt caching is sold as a saving. It can also be the single largest line on an inference invoice, and the failure is quiet, because a cache write succeeds whether or not anything ever reads it back.

Fri Aug 21 2026 · 6 min read · 12 views

AI