{ "@context": "https://schema.org", "@id": "https://aggr.aymericbeaumet.com/items/simonwillison-net/2026-10-12-web-edit-0-1a0/#webpage", "@type": [ "WebPage", "ArchiveComponent" ], "articleBody": "I was working on a project from my phone using Codex Remote when I found myself wanting to edit a credentials file without round-tripping those credentials through the LLM itself.\n\nSo... I had Codex and GPT-6 Astra Extra High build this Python web app which provides a web UI for viewing and editing files in a folder. It's intended to be run over Tailscale, so I can have an agent start this running and then edit files via my Tailscale network directly from my phone.\n\nHere's the interface for browsing files in a folder:\n\n![Screenshot of a web file manager interface. Header reads \\\"WORKSPACE\\\" above the title \\\"Files\\\", with buttons \\\"Refresh\\\", \\\"Upload files\\\" and \\\"New file\\\" (dark green). A breadcrumb shows \\\"web-edit / web_edit / static\\\". A table with columns \\\"Name\\\", \\\"Size\\\", \\\"Modified\\\" lists four files, each with \\\"Download ↓\\\" and \\\"Delete\\\" links: \\\"app.css\\\" 8.4 KB Oct 12, 2026; \\\"app.js\\\" 671.5 KB Oct 12, 2026; \\\"index.html\\\" 4.3 KB Oct 12, 2026 (underlined, as if hovered); \\\"THIRD_PARTY_LICENSES.txt\\\" 32.3 KB Oct 12, 2026. Below the table: \\\"Images under 2 MB appear inline. Select a text file to edit it.\\\" A panel below is labelled \\\"UPLOAD QUEUE\\\" with heading \\\"Add files\\\" and a \\\"Close\\\" button. It has a \\\"Destination folder\\\" text field containing \\\"web_edit\\\", then a dashed drop zone reading \\\"Choose files or drop them here\\\" and \\\"Set a path and filename for each file before uploading.\\\" with a \\\"Choose Files\\\" button and the text \\\"no files selected\\\". A greyed-out \\\"Upload files\\\" button sits at the bottom right.](https://static.simonwillison.net/static/2026/web-edit.webp)\n\nEditing uses [CodeMirror 6](https://codemirror.net) - I was going to use [Monaco](https://microsoft.github.io/monaco-editor/) but that still doesn't have a great mobile experience yet.\n", "authors": [], "captured_at": "2026-10-13T18:08:43.541012300+00:00", "category": "programming", "content_html": "

I was working on a project from my phone using Codex Remote when I found myself wanting to edit a credentials file without round-tripping those credentials through the LLM itself.

\n

So... I had Codex and GPT-6 Astra Extra High build this Python web app which provides a web UI for viewing and editing files in a folder. It's intended to be run over Tailscale, so I can have an agent start this running and then edit files via my Tailscale network directly from my phone.

\n

Here's the interface for browsing files in a folder:

\n

\"Screenshot

\n

Editing uses CodeMirror 6 - I was going to use Monaco but that still doesn't have a great mobile experience yet.

\n", "content_markdown": "I was working on a project from my phone using Codex Remote when I found myself wanting to edit a credentials file without round-tripping those credentials through the LLM itself.\n\nSo... I had Codex and GPT-6 Astra Extra High build this Python web app which provides a web UI for viewing and editing files in a folder. It's intended to be run over Tailscale, so I can have an agent start this running and then edit files via my Tailscale network directly from my phone.\n\nHere's the interface for browsing files in a folder:\n\n![Screenshot of a web file manager interface. Header reads \\\"WORKSPACE\\\" above the title \\\"Files\\\", with buttons \\\"Refresh\\\", \\\"Upload files\\\" and \\\"New file\\\" (dark green). A breadcrumb shows \\\"web-edit / web_edit / static\\\". A table with columns \\\"Name\\\", \\\"Size\\\", \\\"Modified\\\" lists four files, each with \\\"Download ↓\\\" and \\\"Delete\\\" links: \\\"app.css\\\" 8.4 KB Oct 12, 2026; \\\"app.js\\\" 671.5 KB Oct 12, 2026; \\\"index.html\\\" 4.3 KB Oct 12, 2026 (underlined, as if hovered); \\\"THIRD_PARTY_LICENSES.txt\\\" 32.3 KB Oct 12, 2026. Below the table: \\\"Images under 2 MB appear inline. Select a text file to edit it.\\\" A panel below is labelled \\\"UPLOAD QUEUE\\\" with heading \\\"Add files\\\" and a \\\"Close\\\" button. It has a \\\"Destination folder\\\" text field containing \\\"web_edit\\\", then a dashed drop zone reading \\\"Choose files or drop them here\\\" and \\\"Set a path and filename for each file before uploading.\\\" with a \\\"Choose Files\\\" button and the text \\\"no files selected\\\". A greyed-out \\\"Upload files\\\" button sits at the bottom right.](https://static.simonwillison.net/static/2026/web-edit.webp)\n\nEditing uses [CodeMirror 6](https://codemirror.net) - I was going to use [Monaco](https://microsoft.github.io/monaco-editor/) but that still doesn't have a great mobile experience yet.\n", "dateCreated": "2026-10-13T18:08:43.541012300+00:00", "date_created": "2026-10-12T15:54:36+00:00", "date_modified": "2026-10-12T15:54:36+00:00", "date_published": "2026-10-12T15:54:36+00:00", "description": "Release: web-edit 0.1a0 I was working on a project from my phone using Codex Remote when I found myself wanting to edit a credentials file without round-tripping those credentials through the LLM itself. So... 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Here's the interface for browsing files in a folder: Editing uses CodeMirror 6 - I was going to use Monaco but that still doesn't have a great mobile experience yet. Tags: projects, python, ai, tailscale, generative-ai, llms, codex", "tags": [ "ai", "codex", "generative-ai", "llms", "projects", "python", "tailscale" ], "temporalCoverage": "2026-10-13T18:08:43.541012300+00:00", "title": "web-edit 0.1a0", "url": "https://aggr.aymericbeaumet.com/items/simonwillison-net/2026-10-12-web-edit-0-1a0/", "word_count": 116 }