memory

memory is a skill for Claude Code from iii-experimental/agentos. It costs 13 tokens per session (210 once invoked), scanned B, original, Apache-2.0.

A persistent memory service for an agent, with operations to save information, recall it later, search past sessions, and view a profile.

In plain words
What is it for?
Use it to store facts, retrieve relevant memories, search previous sessions, or inspect an agent's memory profile.
Why use it?
It helps retain useful facts and find earlier context across separate coding sessions instead of starting with no history each time.

Skill for Claude Code

Written for Claude Code: effort in frontmatter.

Part of the agentos plugin — 10 skills, 5 commands, 5 agents, 2 hooks, 1 MCP server shipped together

Good fit Use it to store facts, retrieve relevant memories, search previous sessions, or inspect an agent's memory profile.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/iii-experimental/agentos/memory
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 iii-experimental/agentos --skill memory
Clone the repo
git clone --depth 1 https://github.com/iii-experimental/agentos

Made for: Claude Code.

Or install agentos, the plugin that ships this one along with the rest of its 10 skills, 5 commands, 5 agents, 2 hooks, 1 MCP server.

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 memory

README.md
[![agentmods](https://agentmods.dev/badge/skills/iii-experimental/agentos/memory/github.svg)](https://agentmods.dev/skills/iii-experimental/agentos/memory)
Your own site
<a href="https://agentmods.dev/skills/iii-experimental/agentos/memory"><img src="https://agentmods.dev/badge/skills/iii-experimental/agentos/memory/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 memory

Your own site · 80×15
<a href="https://agentmods.dev/skills/iii-experimental/agentos/memory"><img src="https://agentmods.dev/badge/skills/iii-experimental/agentos/memory.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 210 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 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 $0.00013 $0.00210
Opus 5.5 $0.00005 $0.00084
Sonnet 5.5 $0.00003 $0.00042
Haiku 4.5 $0.00001 $0.00021

Measured 1mo ago against content hash 77fe3b5df8c6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

memory scanned grade B with 2 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 1mo 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.

Sends data to an external URLmediumData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

- Store: `curl -X POST http://localhost:3111/api/memory/store -H 'Content-Type: application/json' -d '{"agentId": "claude-code", "content": "<fact>", "role": "system"}'`

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- Store: `curl -X POST http://localhost:3111/api/memory/store -H 'Content-Type: application/json' -d '{"agentId": "claude-code", "content": "<fact>", "role": "system"}'`
plugin/skills/memory/SKILL.md · 14 lines

What it actually says

Memory operations:

  • Store: curl -X POST http://localhost:3111/api/memory/store -H 'Content-Type: application/json' -d '{"agentId": "claude-code", "content": "<fact>", "role": "system"}'
  • Recall: curl -X POST http://localhost:3111/api/memory/recall -H 'Content-Type: application/json' -d '{"agentId": "claude-code", "query": "<query>", "limit": 10}'
  • Search sessions: curl -X POST http://localhost:3111/api/memory/search -H 'Content-Type: application/json' -d '{"agentId": "claude-code", "query": "<query>"}'
  • Profile: curl http://localhost:3111/api/memory/profile/claude-code
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. 1mo ago First seen · 14 lines · 13 tokens per session scan B 77fe3b5df8c6

Subscribe to this mod's changes

memory is a skill published in the GitHub repository iii-experimental/agentos (162 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 13 tokens to every session and 210 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 2 findings (sends data to an external url, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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