What is 005-supersession-chains?

An agent for tracking which decision documents replace earlier ones. It maintains a history chain so you can identify both an older decision and the current version.

Use it to mark one architectural decision record as replacing another, view the full replacement history, and find the current document.

It prevents decision records from becoming confusing when later documents change or replace earlier ones. The links and statuses are updated in both documents.

005-supersession-chains — Agent for coding agents by paulbreuler: An agent for tracking which decision documents replace earlier…

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 agents/paulbreuler/limps/005-supersession-chains

Clone the repo

git clone --depth 1 https://github.com/paulbreuler/limps

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.

README.md

[![agentmods](https://agentmods.dev/badge/agents/paulbreuler/limps/005-supersession-chains.svg)](https://agentmods.dev/agents/paulbreuler/limps/005-supersession-chains)

Your own site

<a href="https://agentmods.dev/agents/paulbreuler/limps/005-supersession-chains"><img src="https://agentmods.dev/badge/agents/paulbreuler/limps/005-supersession-chains.svg" alt="Measured on agentmods" height="20"></a>

Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 466 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.

Model	Per session	Once invoked
Fable 5	$0.00000	$0.00466
Opus 5	$0.00000	$0.00233
Sonnet 5	$0.00000	$0.00093
Haiku 4.5	$0.00000	$0.00047

Measured 4d ago against content hash 01786fdbffb1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

005-supersession-chains 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.

plans/0047-limps-context-hierarchy/agents/005-supersession-chains.md · 62 lines

What it actually says

Agent 005: Supersession Chains

Objective

Track when documents supersede others, maintaining decision history chains.

Tasks

Supersession manager (src/context/supersession.ts)
- supersede(oldId, newId): Create supersession link
- Update both documents' frontmatter
- Set old document status to 'superseded'
- Build supersession graph
Chain traversal
- getSupersessionChain(docId): Walk back through history
- getCurrentVersion(docId): Follow chain to current
- getSupersededBy(docId): What replaced this?
ADR commands
- limps adr supersede ADR-0003 ADR-0010 — Create link
- limps adr history ADR-0010 — Show chain
- limps adr current ADR-0003 — Find current version
Automatic updates When ADR-0010 supersedes ADR-0003:
- ADR-0010.supersedes = [ADR-0003]
- ADR-0003.superseded_by = ADR-0010
- ADR-0003.status = 'superseded'

Frontmatter Schema

---
title: "Use sqlite-vec"
type: adr
status: accepted  # proposed | accepted | deprecated | superseded
supersedes: [ADR-0003, ADR-0005]
superseded_by: null
---

Acceptance Criteria

limps adr supersede updates both documents
limps adr history shows full chain
Status automatically changes to 'superseded'
Circular supersession detected and prevented
Warns if anything references superseded ADR

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.

4d ago First seen · 62 lines · 0 tokens per session scan A 01786fdbffb1

Subscribe to this mod's changes

005-supersession-chains is an agent published in the GitHub repository paulbreuler/limps (10 stars, last pushed 6mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 466 tokens. 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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005-supersession-chains