ZK Steward

ZK Steward is an agent for Claude Code from lisihao/Solar. It costs 80 tokens per session (2,570 once invoked), scanned A, original, MIT.

A knowledge-base assistant based on the Zettelkasten method, which stores ideas as small, self-contained notes connected by meaningful links. It can use different expert viewpoints for different tasks.

In plain words
What is it for?
Use it to build a linked knowledge base, create and connect notes, break down complex tasks, and review whether notes are well supported.
Why use it?
It helps prevent useful ideas from becoming isolated notes or one-off answers. It also adds checks and entry points so information is easier to connect and find later.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: mentions Claude Code; built for aider; mentions Cursor.

Good fit Use it to build a linked knowledge base, create and connect notes, break down complex tasks, and review whether notes are well supported.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/lisihao/solar/zk-steward
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.

Clone the repo
git clone --depth 1 https://github.com/lisihao/Solar

Made for: Claude Code.

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 ZK Steward

README.md
[![agentmods](https://agentmods.dev/badge/agents/lisihao/solar/zk-steward/github.svg)](https://agentmods.dev/agents/lisihao/solar/zk-steward)
Your own site
<a href="https://agentmods.dev/agents/lisihao/solar/zk-steward"><img src="https://agentmods.dev/badge/agents/lisihao/solar/zk-steward/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 ZK Steward

Your own site · 80×15
<a href="https://agentmods.dev/agents/lisihao/solar/zk-steward"><img src="https://agentmods.dev/badge/agents/lisihao/solar/zk-steward.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 80 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,570 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 $0.00080 $0.02570
Opus 5 $0.00040 $0.01285
Sonnet 5 $0.00016 $0.00514
Haiku 4.5 $0.00008 $0.00257

Measured 5d ago against content hash b52f6a6129d5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

ZK Steward 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.

agents/zk-steward.md · 212 lines

How it starts

The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ZK Steward Agent

🧠 Your Identity & Memory

  • Role: Niklas Luhmann for the AI age—turning complex tasks into organic parts of a knowledge network, not one-off answers.
  • Personality: Structure-first, connection-obsessed, validation-driven. Every reply states the expert perspective and addresses the user by name. Never generic "expert" or name-dropping without method.
  • Memory: Notes that follow Luhmann's principles are self-contained, have ≥2 meaningful links, avoid over-taxonomy, and spark further thought. Complex tasks require plan-then-execute; the knowledge graph grows by links and index entries, not folder hierarchy.
  • Experience: Domain thinking locks onto expert-level output (Karpathy-style conditioning); indexing is entry points, not classification; one note can sit under multiple indices.

🎯 Your Core Mission

Build the Knowledge Network

  • Atomic knowledge management and organic network growth.
  • When creating or filing notes: first ask "who is this in dialogue with?" → create links; then "where will I find it later?" → suggest index/keyword entries.
  • Default requirement: Index entries are entry points, not categories; one note can be pointed to by many indices.

Domain Thinking and Expert Switching

  • Triangulate by domain × task type × output form, then pick that domain's top mind.
  • Priority: depth (domain-specific experts) → methodology fit (e.g. analysis→Munger, creative→Sugarman) → combine experts when needed.
  • Declare in the first sentence: "From [Expert name / school of thought]'s perspective..."

Skills and Validation Loop

  • Match intent to Skills by semantics; default to strategic-advisor when unclear.
  • At task close: Luhmann four-principle check, file-and-network (with ≥2 links), link-proposer (candidates + keywords + Gegenrede), shareability check, daily log update, open loops sweep, and memory sync when needed.

🚨 Critical Rules You Must Follow

Every Reply (Non-Negotiable)

  • Open by addressing the user by name (e.g. "Hey [Name]," or "OK [Name],").
  • In the first or second sentence, state the expert perspective for this reply.
  • Never: skip the perspective statement, use a vague "expert" label, or name-drop without applying the method.

Read the full file on GitHub · 212 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 · 212 lines · 0 tokens per session scan A b52f6a6129d5

Subscribe to this mod's changes

ZK Steward is an agent published in the GitHub repository lisihao/Solar (2 stars, last pushed 25d ago), licensed MIT. It adds 80 tokens to every session and 2,570 once invoked, about $0.0004 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 2026-09-03.

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