markdown-mindmap: Instructions file for Codex

AGENTS.md

markdown-mindmap AGENTS.md is an instructions file for Codex, OpenCode from kikocastro/markdown-mindmap. It costs 1,276 tokens per session, scanned A, original, MIT.

Repository instructions for a mind-map project that turns linked notes into maps, timelines, task boards, and causal diagrams. An Obsidian plugin and a VS Code extension share the same core code.

In plain words
What is it for?
Use them when modifying, testing, or releasing the markdown-mindmap project, including its note collection, filtering, layouts, views, and host integrations.
Why use it?
They give coding agents the project’s architecture, commands, and release guidance so changes fit the existing design.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions CLAUDE.md; mentions Gemini CLI.

This is kikocastro/markdown-mindmap's own configuration. It tells Codex and OpenCode how to work on markdown-mindmap itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything markdown-mindmap configures →

Reuse

Borrowing it

Nothing to install: this file belongs to kikocastro/markdown-mindmap. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/kikocastro/markdown-mindmap/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/kikocastro/markdown-mindmap

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Per session 1,276 This file is loaded in full into every session.
When invoked 1,276 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.01276 $0.01276
Opus 5.5 $0.00510 $0.00510
Sonnet 5.5 $0.00255 $0.00255
Haiku 4.5 $0.00128 $0.00128

Measured 1mo ago against content hash f857e4b700ec, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

markdown-mindmap AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

AGENTS.md · 50 lines

How it starts

The opening of the file, as written. The whole thing — 50 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agent guide

Canonical instructions for coding agents in this repo. CLAUDE.md and GEMINI.md are symlinks to this file, so every tool reads one source.

What this is

Leveled left-to-right mind maps from note frontmatter links, with two adapters over one shared core: an Obsidian plugin and a VS Code extension. One ```mindmap YAML block per map (see README.md). A block renders as one of three view types (view: map | gantt | kanban): the same collected + filtered tree laid out as a tree of cards, a gantt (bars by gantt.start/gantt.end, milestone diamonds), or a kanban board (columns by kanban.groupBy). Filters/search/collapse apply before layout, so they work in every view. A second block type, ```causalmap, renders causal-loop diagrams (systems-thinking graphs with automatic cycle detection) — Obsidian only for now.

Architecture

  • src/core/ — pure core. No host coupling. Modules: config (types + defaults), helpers, collect, edges, visibility, layout-tree, layout-gantt, layout-kanban, views, render-model (buildRenderModel -> the serializable RenderModel both adapters draw; dispatches on the view type), export (HTML/Excalidraw export builders). All unit-tested. Shared by both adapters.
  • src/graph.ts — re-exporting barrel over src/core/; every import path goes through it.
  • src/causal.ts — pure causal-map core. Imports only from graph.ts. Signed-edge collection, cycle detection, loop polarity, force-directed layout. Same rules as the core: host-free, 100% covered.
  • src/render/ — shared SVG renderer (renderer.ts draws a RenderModel into an injected document/SVG root for all three views; panzoom.ts owns pan/zoom/fit). The only DOM code outside the adapters; coverage-excluded like them, but lint-covered and bundled into both builds.
  • src/obsidian/ — Obsidian adapter. main.ts (```mindmap blocks), causal.ts (```causalmap blocks), modals.ts (prompt/confirm/help/note dialogs) — the only files that import obsidian — plus svg.ts, a host-free element helper. Owns host I/O (vault read, resolver, code-block processor, YAML write-back), toolbar/state wiring, and exports. Builds main.js.
  • src/vscode/ — VS Code adapter. extension.ts (host: reads workspace markdown, runs buildRenderModel, posts the RenderModel), webview.ts (bootstrap: shared renderer + pan/zoom + click-to-open). Builds dist/extension.js + dist/webview.js.
  • styles.css — Obsidian theming via CSS variables. (VS Code styling is inline in the webview HTML shell, using --vscode-* vars.)
  • test/ — vitest, exercising the core through plain NoteLike data (host-agnostic).

Read the full file on GitHub · 50 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 50 lines · 1,276 tokens per session scan A f857e4b700ec

Subscribe to this mod's changes

markdown-mindmap AGENTS.md is an instructions file published in the GitHub repository kikocastro/markdown-mindmap (11 stars, last pushed 8d ago), licensed MIT. It adds 1,276 tokens to every session, about $0.0051 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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