Marginal

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// recent coverage 2 mentions

06:45

2026-09-03

marginal.md

developer-tools

Markdown Editors Weren't Built for Coding Agents, So I Made One

Engineer and developer Takaaki Umada created Marginal, a markdown editor designed for coding agents like Claude Code, after finding existing editors inadequate for managing agent-generated documents, …

13:23

2026-08-19

marginalhq.com

ai-tools

Show HN: Marginal – See which customers and features drive your AI API costs

Marginal, a new cost-observability tool for AI API usage, launched with TypeScript and Python SDKs plus an HTTP API, enabling developers to track the cost of every LLM call and slice spend by customer…

// co-occurs with top 8 entities

Claude Code 2 OpenAI 2 Takaaki Umada 1 Codex 1 OpenCode 1 Anthropic 1 Google 1 Cursor 1

// topics top 4 topics

developer tools 2 ai tools 2 ai agents 1 ai infrastructure 1