Hypergraph-Coding-Agent-Framework: Skill for Claude Code

.agents/skills/hyper-session-update/SKILL.md

session-update is a skill for Claude Code, Codex from tjmustard/Hypergraph-Coding-Agent-Framework. It costs 47 tokens per session (461 once invoked), scanned A, original, MIT.

A session-closing workflow that updates an agent's memory files and project documentation with work completed during development.

In plain words
What is it for?
It is for reviewing completed work, synchronising active context and system patterns, and updating product or design documentation when requirements or architecture change.
Why use it?
It helps the next coding session start with an accurate record of recent changes, decisions, and project context.

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 tjmustard/Hypergraph-Coding-Agent-Framework's own configuration. It tells Claude Code and Codex how to work on Hypergraph-Coding-Agent-Framework 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 Hypergraph-Coding-Agent-Framework configures →

Reuse

Borrowing it

Nothing to install: this file belongs to tjmustard/Hypergraph-Coding-Agent-Framework. 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/tjmustard/Hypergraph-Coding-Agent-Framework/main/.agents/skills/hyper-session-update/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/tjmustard/Hypergraph-Coding-Agent-Framework

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 session-update

README.md
[![agentmods](https://agentmods.dev/badge/skills/tjmustard/hypergraph-coding-agent-framework/hyper-session-update/github.svg)](https://agentmods.dev/skills/tjmustard/hypergraph-coding-agent-framework/hyper-session-update)
Your own site
<a href="https://agentmods.dev/skills/tjmustard/hypergraph-coding-agent-framework/hyper-session-update"><img src="https://agentmods.dev/badge/skills/tjmustard/hypergraph-coding-agent-framework/hyper-session-update/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 session-update

Your own site · 80×15
<a href="https://agentmods.dev/skills/tjmustard/hypergraph-coding-agent-framework/hyper-session-update"><img src="https://agentmods.dev/badge/skills/tjmustard/hypergraph-coding-agent-framework/hyper-session-update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 461 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 $0.00047 $0.00461
Opus 5.5 $0.00019 $0.00184
Sonnet 5.5 $0.00009 $0.00092
Haiku 4.5 $0.00005 $0.00046

Measured 2mo ago against content hash bd83a6fa14cf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

session-update 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/hyper-session-update/SKILL.md · 40 lines

What it actually says

Session Update

This skill closes out a development session by syncing memory files, documentation, and heuristic context with the work completed. It ensures the next agent session starts with accurate context.

When to use this skill

  • At the end of every development session, before closing the chat.
  • When the user explicitly runs /hyper-session-update.
  • After completing a significant feature, fix, or architectural change.

How to use it

  1. Review Session Work

    • Check task tracking docs (e.g., task.md) to identify what was accomplished.
    • Review git status or recall the file changes made during this session.
    • Identify key decisions, architectural changes, or new patterns that emerged.
  2. Update Product & Design Specs

    • If requirements changed: Update spec/compiled/SuperPRD.md.
    • If design changed: Update docs/DESIGN.md.
    • Goal: Keep high-level docs in sync with code reality.
    • CRITICAL: Do NOT manually modify spec/compiled/architecture.yml. Use the deterministic scripts or /hyper-discover//hyper-audit for that.
  3. Update Agentic Memory

    • activeContext.md: Update with current focus, recent changes, and immediate next steps.
    • systemPatterns.md: Add new code patterns, idioms, or architectural structures discovered. Remove replaced ones.
    • productContext.md: Update if there are new product-level decisions or evolved features.
    • Note: These files act as heuristic context alongside the deterministic Hypergraph.
  4. Update Rules (if needed)

    • If a correction was repeated or a new rule consistently applied, add it to .agents/rules/ (or create a new rule file for major topics).
  5. Commit

    • Commit memory and doc updates alongside code changes, or as a separate chore: update memory commit.
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 First seen · 40 lines · 47 tokens per session scan A bd83a6fa14cf

Subscribe to this mod's changes

session-update is a skill published in the GitHub repository tjmustard/Hypergraph-Coding-Agent-Framework (2 stars, last pushed 1mo ago), licensed MIT. It adds 47 tokens to every session and 461 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.

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