reading-mode

reading-mode is a skill for Claude Code, Codex from emergent-wisdom/understanding-graph. It costs 49 tokens per session (1,858 once invoked), scanned A, original, MIT.

Instructions for reading books, papers, articles, and other sources in order while recording how specific passages change understanding.

In plain words
What is it for?
It is for loading source material, tracking the current reading position, and capturing comprehension as the text is encountered.
Why use it?
It preserves the source's sequence, open questions, and revisions instead of replacing the reading with a generic summary.

Skill for Claude CodeCodex

Part of the understanding-graph plugin — 10 skills, 2 MCP servers shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/emergent-wisdom/understanding-graph/reading-mode
Any agent
npx skills add emergent-wisdom/understanding-graph --skill reading-mode
Clone the repo
git clone --depth 1 https://github.com/emergent-wisdom/understanding-graph

Made for: Claude Code, Codex.

Or install understanding-graph, the plugin that ships this one along with the rest of its 10 skills, 2 MCP servers.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for reading-mode

README.md
[![agentmods](https://agentmods.dev/badge/skills/emergent-wisdom/understanding-graph/reading-mode.svg)](https://agentmods.dev/skills/emergent-wisdom/understanding-graph/reading-mode)
Your own site
<a href="https://agentmods.dev/skills/emergent-wisdom/understanding-graph/reading-mode"><img src="https://agentmods.dev/badge/skills/emergent-wisdom/understanding-graph/reading-mode.svg" alt="Measured on agentmods" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,858 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00049 $0.01858
Opus 5 $0.00024 $0.00929
Sonnet 5 $0.00010 $0.00372
Haiku 4.5 $0.00005 $0.00186

Measured 5d ago against content hash c9174d3a42a0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

reading-mode 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 5d 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.

skills/reading-mode/SKILL.md · 162 lines

How it starts

The opening of the file, as written. The whole thing — 162 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Reading Mode — Chronological Metabolic Processing

Reading is COMPREHENSION, not transcription. Encounter the source in order, let it work on attention, and leave enough of that encounter for a future reader to continue from it.

Setup

  1. Select or create the task-scoped graph project before inspecting the source. For a file or attachment, pass its path directly to source_load({ title: "...", filePath: "..." }): do not open, shell-read, search, sample, or summarize it first. source_load stages the text and returns metadata, not its body. File paths stay within UG_SOURCE_ROOT (the server working directory by default). A capable host may copy an out-of-root attachment byte-for-byte into that root without inspecting it; otherwise ask the user to place it there. If the text was pasted directly into the prompt, it has already been encountered; pass content to source_load but do not claim a fresh reading.
  2. Check the current source position. The loaded source and its chronological position are authoritative.
  3. If guided navigation would help at a real choice point, call graph_suggest_next({ task: "Read this source chronologically", workflow: "reading" }). Choose, change, reject, or skip its routes. In direct mode, choose how to deepen, connect, test, or continue the reading yourself. When re-entry would help, condition the reading task without asking the model to recall or summarize the unread work:
graph_understand({
  query: "Read this source chronologically, stay open to what becomes salient, and let encountered evidence test the graph",
  workflow: "reading"
})
  1. Search for existing beliefs that the encountered source may test. Treat graph material as provisional priors, never as a substitute for the source.
  2. Optionally create a graph document root for a reading journal when the user wants one. It is not required for every reading session.

If graph context reveals events or claims from an unread part of this source, quarantine them as potential spoilers and do not use them until the text reaches that point.

Read the full file on GitHub · 162 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. 5d ago First seen · 162 lines · 49 tokens per session scan A c9174d3a42a0

Subscribe to this mod's changes

reading-mode is a skill published in the GitHub repository emergent-wisdom/understanding-graph (1 stars, last pushed 10d ago), licensed MIT. It adds 49 tokens to every session and 1,858 once invoked, about $0.0002 per session on Opus 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 2026-08-31.

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