memory-metabolism

A process for maintaining assistant memory by keeping useful information, summarizing history, archiving stale records, and removing unsupported details.

In plain words
What is it for?
Use it to review memory, preserve evidence-backed lessons, deduplicate records, archive old information, or forget details at the user's request.
Why use it?
It reduces noisy, duplicated, or outdated memory that could make later answers less reliable.

Skill for Claude CodeCodex

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 skills/codeinfinity1/stram/memory-metabolism
Any agent
npx skills add CodeInfinity1/Stram --skill memory-metabolism
Clone the repo
git clone --depth 1 https://github.com/CodeInfinity1/Stram

Made for: Claude Code, Codex.

Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 632 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.

ModelPer sessionOnce invoked
Fable 5 $0.00042 $0.00632
Opus 5 $0.00021 $0.00316
Sonnet 5 $0.00008 $0.00126
Haiku 4.5 $0.00004 $0.00063

Measured 2d ago against content hash 6b644bef57bf, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

memory-metabolism 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 2d 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/agent-core/memory-metabolism/SKILL.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Memory Metabolism

Purpose

Keep durable memory useful over time. This skill adapts external reference active-maintenance and memory metabolism ideas into Stram's model-led memory curation path.

When To Use

Use when the user asks to clean memory, summarize past work, forget outdated details, preserve lessons, or review whether memory is helping current tasks.

Inputs And Evidence

  • memory_summary for recent or period-based history.
  • memory_search for specific topics.
  • cognitive_memory_curate proposals.
  • Current goals, commitments, persona, and skill records.
  • User-stated preferences about remembering or forgetting.

Tool Map

  • memory_summary
  • memory_search
  • memory_write
  • memory_profile
  • cognitive_memory_curate
  • cognitive_curation_status
  • cognitive_state

Workflow

  1. Define the curation purpose: retain, summarize, archive, forget, deduplicate, or audit.
  2. Gather current memory records relevant to that purpose.
  3. Use model-led curation for semantic decisions about value and staleness.
  4. Preserve exact evidence references for memories that remain.
  5. Archive or forget only when evidence is obsolete, unsupported, user-requested, or superseded.
  6. Report what changed and what was intentionally left untouched.

Safety And Boundaries

  • Never delete or alter memory solely because it is inconvenient.
  • Respect explicit user forget requests while preserving audit requirements.
  • Do not infer sensitive stable facts from weak evidence.

Safety And Approval

  • Treat memory writes, curation, archiving, and forgetting as durable state changes.
  • Keep explicit user forget requests high priority, while preserving any required audit trace.
  • Do not promote sensitive, protected, medical, legal, financial, or identity-related facts unless clearly useful and evidence-supported.
  • Do not let memory cleanup remove active commitments, unresolved blockers, or live-task context.

Native Implementation Boundaries

  • Use Stram memory summary/search/write/profile and cognitive memory curation tools.
  • external reference memory-metabolism ideas are reference patterns; retention, summarization, and forgetting decisions must be model-led through native curation.
  • Deterministic code validates records and stores evidence, but must not infer semantic staleness or user preferences without the model or explicit user instruction.

Read the full file on GitHub · 79 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. 2d ago First seen · 79 lines · 42 tokens per session scan A 6b644bef57bf

Subscribe to this mod's changes

memory-metabolism is a skill published in the GitHub repository CodeInfinity1/Stram (10 stars, last pushed 22d ago), licensed MIT. It adds 42 tokens to every session and 632 once invoked, about $0.0002 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 2026-08-31.

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