store

store is a skill for Claude Code, Codex from mem9-ai/mem9. It costs 20 tokens per session (512 once invoked), scanned A, original, Apache-2.0.

A memory-saving skill for Mem9, an AI-agent memory service. It is used when a user explicitly asks the agent to remember one fact, preference, or instruction.

In plain words
What is it for?
Extracting one item the user wants remembered and storing it in Mem9, or reporting that setup is needed before it can be saved.
Why use it?
It gives the agent a defined way to save a single requested memory while keeping connection credentials private. Mem9 must already be configured.

Skill for Claude CodeCodex

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the claude-plugin plugin — 3 skills, 5 hooks shipped together

About the project

mem9 is a persistent memory service for AI agents that preserves information across sessions and machines and can share it among multiple agents. It is used with OpenClaw, coding agents, workflow platforms, and custom clients that need shared storage and recall. The catalogue add-ons connect agents and workflows to mem9 memory.

mem9-ai/mem9 · 1,206 stars · on GitHub

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/mem9-ai/mem9/store
Any agent
npx skills add mem9-ai/mem9 --skill store
Clone the repo
git clone --depth 1 https://github.com/mem9-ai/mem9

Made for: Claude Code, Codex.

Or install claude-plugin, the plugin that ships this one along with the rest of its 3 skills, 5 hooks.

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 store

README.md
[![agentmods](https://agentmods.dev/badge/skills/mem9-ai/mem9/store.svg)](https://agentmods.dev/skills/mem9-ai/mem9/store)
Your own site
<a href="https://agentmods.dev/skills/mem9-ai/mem9/store"><img src="https://agentmods.dev/badge/skills/mem9-ai/mem9/store.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 512 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00020 $0.00512
Opus 5 $0.00010 $0.00256
Sonnet 5 $0.00004 $0.00102
Haiku 4.5 $0.00002 $0.00051

Measured 5d ago against content hash cb44f4476440, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

store scanned grade A with 1 finding 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 5d 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.

Makes network callslowCapability

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

curl -sf --max-time 8 \
claude-plugin/skills/store/SKILL.md · 45 lines

What it actually says

Mem9 Store

Use this skill only when the user explicitly asks Claude to remember or save something to Mem9.

Steps

  1. Extract the one fact, preference, or instruction that should be remembered.
  2. Use ${CLAUDE_PLUGIN_DATA}/auth.json only as request credentials. If auth is missing, tell the user to run /mem9:setup. Do not print the file contents or the API key.
  3. Store the memory with the single-message content API. Do not invent tags client-side.
set -euo pipefail

auth_file="${CLAUDE_PLUGIN_DATA}/auth.json"
test -f "$auth_file"
read_api_key_and_base_url="$(node -e 'const fs=require("node:fs"); const data=JSON.parse(fs.readFileSync(process.argv[1],"utf8")); const values=[data.api_key || "", data.base_url || "https://api.mem9.ai"]; process.stdout.write(values.join("\t"));' "$auth_file")"
api_key="${read_api_key_and_base_url%%	*}"
base_url="${read_api_key_and_base_url#*	}"
test -n "$api_key"
test -n "$base_url"
plugin_version="unknown"
if [ -n "${CLAUDE_PLUGIN_ROOT:-}" ] && [ -f "${CLAUDE_PLUGIN_ROOT}/.claude-plugin/plugin.json" ]; then
  plugin_version="$(node -e 'const fs=require("node:fs"); const data=JSON.parse(fs.readFileSync(process.argv[1],"utf8")); process.stdout.write(data.version || "unknown");' "${CLAUDE_PLUGIN_ROOT}/.claude-plugin/plugin.json")"
fi

curl -sf --max-time 8 \
  -H "Content-Type: application/json" \
  -H "X-API-Key: ${api_key}" \
  -H "X-Mnemo-Agent-Id: claude-code" \
  -H "User-Agent: mem9-plugin/claude-code/${plugin_version}" \
  -d '{"content":"REPLACE_WITH_MEMORY"}' \
  "${base_url%/}/v1alpha2/mem9s/memories"

Confirm back to the user what was saved. Never reveal secret values.

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. 5d ago First seen · 45 lines · 20 tokens per session scan A cb44f4476440

Subscribe to this mod's changes

store is a skill published in the GitHub repository mem9-ai/mem9 (1,206 stars, last pushed 10d ago), licensed Apache-2.0. It adds 20 tokens to every session and 512 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (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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