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Why Your LLM Spend Limit Doesn't Actually Stop Spending
Budget caps are checked before a request and recorded after, so concurrent calls all pass the same check. How to test yours, and three fixes in cost order.
Guides
Engineering guides for people running agents in production. What breaks, what it costs, and the issue numbers behind every claim.
13 guides
Are Google's 'Leaked' AI Ranking Signals Testable?
An operator audit of the viral '7 leaked Google ranking signals': which are documented, which are console labels, and which you can actually test.
Fix Broken Tool Calls in vLLM, SGLang and llama.cpp
Malformed JSON, stalled generation, hard crashes. Three causes across four engines, an ordered bisect costing one restart each, and the 21 issues behind them.
How to Sandbox an AI Coding Agent (and What Fails)
Built-in agent sandboxes are configured from files the agent can edit. The three isolation tiers, the checklist that holds, and commands to verify your own.
SEO Client Reporting: The $0 Version Before You Buy
Client reporting for agencies: the free Looker Studio floor, the per-client math on paid tools, and why fixing inconsistent inputs beats any AI commentary.
AI for E-commerce: Where It Pays and Where It Doesn't
AI for small e-commerce: support triage, product copy and order updates, with real 2026 pricing and the per-resolution math that decides when it actually pays.
LLM API Pricing for a Micro-SaaS: Price the Workload
Model price per token tells you almost nothing. How to price the whole workload instead, with dated 2026 figures and the caching that changes the answer.
n8n Pricing vs Zapier vs Make: What You're Billed Per
n8n bills executions, Make bills operations, Zapier bills tasks. Real 2026 pricing, the worked math, and the self-host line where the price collapses to zero.
Notion vs Airtable vs Linear: Where Work Data Lives
Three tools, three data shapes. Which kind of work belongs in each, what breaks when you pick wrong, and what a migration actually costs you further down.
Railway Hosting vs Render vs Fly.io: Billing Compared
How three hosts bill the same micro-SaaS: utilization, provisioned VM, and fixed service size. Dated prices, a worked example, and a 30-day keep-or-drop test.
Self-Host Nango Only When the Connection Meter Bites
Self-host Nango only when the connection meter starts to bite. Where the hosted line stops paying, what self-hosting really costs you, and the switch signal.
Merchant of Record: Stripe vs Paddle vs Lemon Squeezy
What a merchant of record does, the fee math against Stripe plus your own tax compliance, the migration risk, and a worked model at three thousand a month.
Supabase vs Firebase Pricing: What You Still Build
Supabase, Firebase and plain Postgres are three different platform layers. What you still build yourself, how each bill grows, and a 50K-MAU worked check.