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Why Your LLM Spend Limit Doesn't Actually Stop Spending
Spend limits read stale balances, so they stop nothing under concurrency. Test with xargs -P 20, read the 200/429 difference, and fix it with a gateway cap.
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?
Audit the viral '7 leaked Google ranking signals': what the public API documents, what console labels do not prove, and why consumer AI Mode remains unverified.
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)
For coding agents, put isolation outside the workspace, remove long-lived credentials, and verify filesystem and egress boundaries with real test commands.
Agency Reporting: $0 Looker Studio Before Paid Tools
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
Price LLM APIs by successful workflow, using dated token rates, a 100,000-completion cost fixture, batch discounts, and explicit self-hosting limits.
n8n Pricing vs Zapier vs Make: What You're Billed Per
Compare n8n execution pricing with Make operations and Zapier tasks using 2026 plan prices, a worked unit-cost model, and self-hosting limits for operators.
Notion vs Airtable vs Linear: Where Work Data Lives
Put context in Notion, operating records in Airtable, and assigned work in Linear. See each boundary, what breaks, and the modelled three-seat stack cost.
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 the keep-or-drop rule.
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
A $3,000/month model comparing Stripe, Paddle, and Lemon Squeezy on merchant-of-record responsibility, fee math, migration risk, and when direct Stripe wins.
Supabase vs Firebase vs Postgres: Pricing and Platform Work
At 50K MAU, compare Supabase, Firebase, and plain Postgres by platform work, billing meters, failure modes, and when SQL control beats managed convenience.