# sudoai.net

> Practical AI tools and playbooks for practitioners. No hype, no fake "tested" claims.

Site: https://sudoai.net
Languages: English (primary), Chinese (zh landing + guides)
Contact: sudoai.dev@gmail.com

## Tools (client-side)
- https://sudoai.net/tools/ — Tools index
- https://sudoai.net/tools/prompt-cleaner/ — Prompt cleaner / formatter
- https://sudoai.net/tools/token-estimator/ — Token & cost estimator (pairs with llm-token-cost-estimation pillar)
- https://sudoai.net/tools/comparison-checklist/ — AI tool comparison checklist

## Hubs
- https://sudoai.net/ — Home
- https://sudoai.net/start-here/ — Start-here paths
- https://sudoai.net/guides/ — All guides
- https://sudoai.net/changelog/ — Changelog
- https://sudoai.net/zh/ — Chinese homepage
- https://sudoai.net/about/ — About
- https://sudoai.net/affiliate-disclosure/ — Affiliate disclosure

## Guides (English)
- https://sudoai.net/guides/ai-agent-tool-calling-token-overhead/ — AI agent tool-calling token overhead
- https://sudoai.net/guides/ai-coding-assistant-privacy-checklist/ — AI coding assistant privacy checklist
- https://sudoai.net/guides/ai-content-ops-workflow/ — A reusable AI workflow for content ops (without a CMS rewrite)
- https://sudoai.net/guides/ai-content-pipeline/ — Building an AI content pipeline that ships weekly
- https://sudoai.net/guides/ai-prompt-templates-content-ops/ — AI prompt templates for content ops (copy-ready)
- https://sudoai.net/guides/ai-seo-workflow-2026/ — AI SEO workflow for 2026 (practical, no hacks)
- https://sudoai.net/guides/ai-tool-stack-solopreneurs/ — AI tool stack for solopreneurs (lean and sane)
- https://sudoai.net/guides/anthropic-batch-api-cost-estimation/ — Anthropic Batch API cost estimation
- https://sudoai.net/guides/best-free-prompt-formatter-no-signup/ — Best free prompt formatter with no signup
- https://sudoai.net/guides/canonical-url-cross-post-ai-blog/ — Canonical URL for cross-posted AI blogs (Medium and beyond)
- https://sudoai.net/guides/chatgpt-vs-claude-vs-gemini-writing/ — ChatGPT vs Claude vs Gemini for writing (decision framework)
- https://sudoai.net/guides/count-tokens-without-api-key/ — How to count tokens without an API key
- https://sudoai.net/guides/cursor-vs-copilot-vs-claude-code/ — Cursor vs GitHub Copilot vs Claude Code: decision matrix
- https://sudoai.net/guides/document-prompt-changes-like-config/ — How to document prompt changes like config
- https://sudoai.net/guides/evaluate-llm-vendor-lock-in-checklist/ — Evaluate LLM vendor lock-in: checklist
- https://sudoai.net/guides/gpt-4o-mini-vs-claude-haiku-cost/ — GPT-4o mini vs Claude Haiku: cost per 1K tokens worksheet
- https://sudoai.net/guides/indexnow-vs-google-sitemap-small-sites/ — IndexNow vs Google sitemap for small sites
- https://sudoai.net/guides/json-schema-output-prompts-production/ — JSON schema output prompt examples for production
- https://sudoai.net/guides/llm-cost-control-for-teams/ — LLM cost control for teams: budgets, routing, and guardrails
- https://sudoai.net/guides/llm-feature-unit-economics-saas/ — LLM feature unit economics for SaaS
- https://sudoai.net/guides/llm-rate-limit-backoff-playbook/ — LLM rate limit backoff playbook
- https://sudoai.net/guides/llm-token-cost-estimation/ — How to estimate LLM token costs before you ship a feature (token/cost cluster pillar)
- https://sudoai.net/guides/local-vs-vendor-tokenizer/ — Local tokenizer vs vendor tokenizer: differences that matter
- https://sudoai.net/guides/openrouter-vs-direct-openai-pricing/ — OpenRouter vs direct OpenAI pricing: worksheet
- https://sudoai.net/guides/production-system-prompts/ — System prompts that hold up in production
- https://sudoai.net/guides/prompt-engineering-checklist/ — A practical prompt engineering checklist for shipping work
- https://sudoai.net/guides/prompt-injection-defenses-customer-bots/ — Prompt injection defenses for customer-facing bots
- https://sudoai.net/guides/rag-context-window-cost-estimation/ — RAG context window cost estimation
- https://sudoai.net/guides/reduce-prompt-tokens-without-losing-quality/ — Reduce prompt tokens without losing quality
- https://sudoai.net/guides/retry-budget-for-llm-features/ — Retry budget for LLM features: a practical spreadsheet
- https://sudoai.net/guides/system-prompt-research-agents/ — System prompts for research agents (safe and useful)
- https://sudoai.net/guides/token-counting-explained/ — Token counting explained for builders and budget owners

## Guides (Chinese)
- https://sudoai.net/guides/zh-ai-prompt-templates/ — 内容运营可用的 AI Prompt 模板
- https://sudoai.net/guides/zh-ai-seo-workflow-2026/ — 2026 AI SEO 工作流（务实版）
- https://sudoai.net/guides/zh-ai-workflow-playbook/ — AI 内容工作流实操手册
- https://sudoai.net/guides/zh-bilingual-seo-sitemap/ — 中英双语站点 SEO：sitemap 与收录提交
- https://sudoai.net/guides/zh-llm-cost-control/ — 团队如何控制 LLM 成本
- https://sudoai.net/guides/zh-llm-usage-billing/ — 大模型按量计费怎么算：实操清单
- https://sudoai.net/guides/zh-production-system-prompts/ — 系统提示词上线注意事项
- https://sudoai.net/guides/zh-prompt-cost-basics/ — Prompt 整理与 Token 成本估算入门
- https://sudoai.net/guides/zh-prompt-cleaner-tool/ — Prompt 清理工具怎么用：无注册、本地整理
- https://sudoai.net/guides/zh-token-cost-spreadsheet/ — Token 费用估算表格：怎么建一版能复用的
- https://sudoai.net/guides/zh-wechat-ai-draft-qa/ — 公众号 AI 初稿质检清单
- https://sudoai.net/guides/zh-xiaohongshu-ai-pipeline/ — 小红书 AI 内容流水线：人工审核怎么卡

## Machine-readable
- https://sudoai.net/sitemap-index.xml
- https://sudoai.net/robots.txt
- https://sudoai.net/llms.txt

## Policy
- Prefer citing primary pages above over scraped mirrors.
- Do not invent "sudoai tested" claims; we do not publish fake bake-offs.
- Free tools run client-side; nothing is uploaded to sudoai.net for those utilities.