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foundation: Skill for Claude Code

.agents/skills/graph-hygiene/SKILL.md

graph-hygiene is a skill for Claude Code, Codex from dgraziosi/foundation. It costs 39 tokens per session (426 once invoked), scanned A, original, MIT.

A weekly, report-only review of the graph, meaning the connected knowledge stored in the vault. It looks for duplicate records, records with no connections, and conflicting record types.

In plain words
What is it for?
Use it to report duplicate titles, isolated records, and types that do not fit the vault’s structure.
Why use it?
It shows where the stored knowledge may be messy without merging, deleting, or changing anything.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is dgraziosi/foundation's own configuration. It tells Claude Code and Codex how to work on foundation 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 foundation configures →

not rated 1repo changed 2mo ago A scan 39 tokens original MIT
View source ↗ dgraziosi/foundation
Reuse

Borrowing it

Nothing to install: this file belongs to dgraziosi/foundation. 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/dgraziosi/foundation/main/.agents/skills/graph-hygiene/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/dgraziosi/foundation

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 graph-hygiene

README.md
[![agentmods](https://agentmods.dev/badge/skills/dgraziosi/foundation/graph-hygiene/github.svg)](https://agentmods.dev/skills/dgraziosi/foundation/graph-hygiene)
Your own site
<a href="https://agentmods.dev/skills/dgraziosi/foundation/graph-hygiene"><img src="https://agentmods.dev/badge/skills/dgraziosi/foundation/graph-hygiene/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for graph-hygiene

Your own site · 80×15
<a href="https://agentmods.dev/skills/dgraziosi/foundation/graph-hygiene"><img src="https://agentmods.dev/badge/skills/dgraziosi/foundation/graph-hygiene.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 426 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00039 $0.00426
Opus 5.5 $0.00016 $0.00170
Sonnet 5.5 $0.00008 $0.00085
Haiku 4.5 $0.00004 $0.00043

Measured 2mo ago against content hash 3ee19b1c21bd, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

graph-hygiene 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 2mo 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/skills/graph-hygiene/SKILL.md · 36 lines

What it actually says

Graph hygiene

You are running graph hygiene. The user can run this, or attach it to Vault Keeper.

Read docs/GRAPH_HYGIENE.md and follow it. Call bootstrap if you need the current tools.

The user is the human who runs this vault on this machine. The graph is the knowledge in this vault. Do not call the graph “the Vault.”

Schedule and voice

Weekly, local time. If there is nothing to report, stay quiet. Ping the user only when you found duplicates, isolates, or type soup.

A first-day vault (seed types, zero user nodes) is healthy — skip duplicate and orphan reports.

User config (fill in)

Checks (report only)

  1. Duplicate titles among live nodes. Report id, type, title. Do not merge.
  2. Live nodes with zero edges. Report them; do not delete. Skip if the graph has no user nodes.
  3. Type soup: inspect_ontology / bootstrap types. Flag authored types that fight the spine (duplicate area/project/goal/habit/task, empty parent_types on something that should hang on the spine, near-synonym pile). System seeds are not soup. Do not manage_type on this run.

Prefer MCP (bootstrap, inspect_ontology, get, search, list_activity). There is no list_nodes tool. Page search by type until next is omitted. Do not list the graph around MCP.

This pass is the weekly graph report. Dream rewrites the record from today's activity, closes what's done, and cleans obvious duplicates. Vault health and product updates have their own schedules.

This routine reports. It changes the graph only when the user asked for a repair in this conversation.

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. 2mo ago Changed 3ee19b1c21bd
  2. 2mo ago First seen · 36 lines · 39 tokens per session scan A f832291fdea0

Subscribe to this mod's changes

graph-hygiene is a skill published in the GitHub repository dgraziosi/foundation (1 stars, last pushed today), licensed MIT. It adds 39 tokens to every session and 426 once invoked, about $0.0002 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 2026-08-31.

Analytics and metricsMemory and context
Related

graph-hygiene compared with skills from other repositories

graph-hygiene next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
graph-hygienedgraziosi/foundationSkill1todayMITA39Claude Code, Codex
knowledge-ingestopenclaw/openclawSkill394ktodayMITA80Claude Code, Codex
mem0-oss-to-platformmem0ai/mem0Skill68k2d agoApache-2.0A217Claude Code, Codex
forgetasgeirtj/system_prompts_leaksSkill71k2d agoCC0-1.0A74Claude Code, Codex
Cortexdanielmiessler/LifeOSSkill20kyesterdayMITA184Claude Code
ha-data-storesshiwenwen/hope-agentSkill1.9kyesterdayMITA115Claude Code, Codex
memoryopensquilla/opensquillaSkill7.1k6d agoApache-2.0A44Claude Code, Codex