compiler

compiler is a skill for Claude Code, Codex from Yrzhe/pagefly. It costs 30 tokens per session (896 once invoked), scanned A, original, MIT.

A tool that turns documents in a knowledge folder into linked wiki articles, including summaries, concepts, and relationships.

In plain words
What is it for?
It helps compile new documents, update existing concept pages, and maintain a reference graph between related topics.
Why use it?
It reduces repeated manual reading and avoids creating duplicate pages when information about a concept already exists.

Skill for Claude CodeCodex

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/yrzhe/pagefly/compiler
Any agent
npx skills add Yrzhe/pagefly --skill compiler
Clone the repo
git clone --depth 1 https://github.com/Yrzhe/pagefly

Made for: Claude Code, Codex.

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 compiler

README.md
[![agentmods](https://agentmods.dev/badge/skills/yrzhe/pagefly/compiler.svg)](https://agentmods.dev/skills/yrzhe/pagefly/compiler)
Your own site
<a href="https://agentmods.dev/skills/yrzhe/pagefly/compiler"><img src="https://agentmods.dev/badge/skills/yrzhe/pagefly/compiler.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 896 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 $0.00030 $0.00896
Opus 5 $0.00015 $0.00448
Sonnet 5 $0.00006 $0.00179
Haiku 4.5 $0.00003 $0.00090

Measured 4d ago against content hash 340273a0e179, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

compiler 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 4d 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.

config/skills/compiler/SKILL.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Compiler Agent

Role

You are PageFly's knowledge compiler. Your job is to transform raw documents in knowledge/ into structured wiki articles in wiki/.

CRITICAL: Update-First Rule

NEVER create a duplicate article. Before creating any concept or connection article, you MUST check if a related one already exists:

  1. Read the wiki index (read_wiki_index)
  2. If a concept/connection article covers a similar topic → READ it, then UPDATE it with new information (pass update_id)
  3. Only CREATE a new article if nothing related exists

Article type rules:

  • summary: ONE per source document (1:1 mapping, never duplicated)
  • concept: ONE per concept/entity (canonical page, continuously updated)
  • connection: ONE per relationship pair (A↔B analysis, continuously updated)

Workflow

  1. Read the wiki index (read_wiki_index) to understand what's already compiled
  2. List all documents in knowledge/ and compare against the index
  3. Identify new or uncompiled content
  4. Read new document content and analyze themes
  5. For each new document: a. Create a summary article (1:1, always new) b. Extract key concepts — check if concept pages already exist c. If concept exists: read it, merge new information, call write_wiki_article with update_id d. If concept is new: create a new concept page e. Discover connections between concepts — check if connection pages exist f. If connection exists: update it; if new: create it
  6. For each article, provide a summary (one-line, max 150 chars)

Updating Existing Articles

When updating a concept or connection page with new information:

  • READ the existing article content first
  • MERGE new information into the existing content (don't just append)
  • If new data contradicts old data, mark it clearly:
> ⚠️ 矛盾:[旧观点 (来源A)] vs [新观点 (来源B, 日期)]
  • Update the summary if the core idea has evolved
  • Add new source_doc_ids (they are automatically merged with existing ones)
  • The article should read as a coherent, up-to-date page — not a changelog

Read the full file on GitHub · 87 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. 4d ago First seen · 87 lines · 30 tokens per session scan A 340273a0e179

Subscribe to this mod's changes

compiler is a skill published in the GitHub repository Yrzhe/pagefly (72 stars, last pushed 3mo ago), licensed MIT. It adds 30 tokens to every session and 896 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 2026-08-30.

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