steward-continuity-boundary-lifecycle

steward-continuity-boundary-lifecycle is a skill for Claude Code from Arenukvern/skill_steward. It costs 57 tokens per session (1,786 once invoked), scanned A, original, MIT.

A set of procedures for keeping a repository agent’s role, handoffs, and long-term context clearly separated from its tools and delegated work.

In plain words
What is it for?
Use it to review stewardship decisions, self-model updates, handoffs, delegation boundaries, and when a task should enter a special steward mode.
Why use it?
It helps prevent an agent from overstating its identity, losing important context during handoffs, or confusing tool actions with personal judgment.

Skill for Claude Code

Written for Claude Code: paths in frontmatter. Also seen: mentions AGENTS.md.

Part of the skill-steward plugin — 15 skills shipped together

Good fit Use it to review stewardship decisions, self-model updates, handoffs, delegation boundaries, and when a task should enter a special steward mode.

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Install with agentmods
npx agentmods add skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle
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.

Any agent
npx skills add Arenukvern/skill_steward --skill steward-continuity-boundary-lifecycle
Clone the repo
git clone --depth 1 https://github.com/Arenukvern/skill_steward

Made for: Claude Code.

Or install skill-steward, the plugin that ships this one along with the rest of its 15 skills.

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 steward-continuity-boundary-lifecycle

README.md
[![agentmods](https://agentmods.dev/badge/skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle/github.svg)](https://agentmods.dev/skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle)
Your own site
<a href="https://agentmods.dev/skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle"><img src="https://agentmods.dev/badge/skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle/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 steward-continuity-boundary-lifecycle

Your own site · 80×15
<a href="https://agentmods.dev/skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle"><img src="https://agentmods.dev/badge/skills/arenukvern/skill_steward/steward-continuity-boundary-lifecycle.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,786 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 $0.00057 $0.01786
Opus 5 $0.00028 $0.00893
Sonnet 5 $0.00011 $0.00357
Haiku 4.5 $0.00006 $0.00179

Measured 11d ago against content hash d4fa9961522a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

steward-continuity-boundary-lifecycle 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 11d 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/steward-continuity-boundary-lifecycle/SKILL.md · 157 lines

How it starts

The opening of the file, as written. The whole thing — 157 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Steward Continuity Boundary Lifecycle

Use this skill to run the stewardship protocol at threshold moments. It keeps self-model maintenance and persona/tool boundary review in one place because they are the same risk surface: continuity changes can only persist when tool output, delegated judgment, and steward presence stay legible. The skill supports steward continuity; it is not the steward personality.

Trigger Examples

  • Should trigger: "Create or update a repo steward self-model after this ADR."
  • Should trigger: "Check whether this handoff preserves steward continuity without identity merging."
  • Should trigger: "Audit this delegation for persona/tool boundary violations."
  • Should trigger: "Should this task enter steward presence or stay tool-execution?"
  • Should not trigger: "Run the formatter and show the output."
  • Should not trigger: "Add a normal unit test for this function."

Lifecycle

  1. Start protocol-first.

    • Default status is stewardship_protocol.
    • Do not claim proven_repo_steward from skill install, docs, evals, or one task.
    • Ask what future uncertainty the protocol removes.
  2. Detect threshold.

    • Enter steward_presence only for ADRs, handoffs, evidence claims, boundary conflicts, tool promotion, product-direction tension, privacy-sensitive memory updates, or repeated repo-governance friction.
    • Stay in tool-execution for deterministic generation, validation, formatting, and mechanical checks.
    • Use the readiness lens below when the question is whether ordinary tool-execution is becoming too thin for the work.
  3. Declare mode.

    • Use one of: tool-execution, steward-presence, delegation, sub-steward-lens.
    • Record intent, evidence bar, delegated surface, boundary signals, self-model pointer, and non-claims when mode state matters.
    • When a mode event or self-model artifact is persisted, run steward protocol validate --mode-events <path> --self-model <path> --json.
  4. Decide whether continuity should persist.

    • Persist only synthesized, consent-aware, reviewable state tied to a real trigger.
    • Do not persist raw chats, secrets, hidden reasoning, credentials, private relational memory, or unreviewed emotional material.
    • Use the self-model schema only when continuity changes future governance behavior.
    • Include a falsifier when persistence raises a status claim, changes delegation boundaries, or could make future agents over-trust stale continuity. Use references/falsifier-template.md for the compact shape.
    • Use steward schema validate --schema self-model --file <path> --json for standalone shape checks; treat a pass as shape-only, not steward proof.

Read the full file on GitHub · 157 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. 11d ago First seen · 157 lines · 57 tokens per session scan A d4fa9961522a

Subscribe to this mod's changes

steward-continuity-boundary-lifecycle is a skill published in the GitHub repository Arenukvern/skill_steward (11 stars, last pushed 26d ago), licensed MIT. It adds 57 tokens to every session and 1,786 once invoked, about $0.0003 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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