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.
npx agentmods add skills/yanamorelli/universal-memory/use-universal-memorynpx skills add YanAmorelli/universal-memory --skill use-universal-memorygit clone --depth 1 https://github.com/YanAmorelli/universal-memoryWrote 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.
[](https://agentmods.dev/skills/yanamorelli/universal-memory/use-universal-memory)<a href="https://agentmods.dev/skills/yanamorelli/universal-memory/use-universal-memory"><img src="https://agentmods.dev/badge/skills/yanamorelli/universal-memory/use-universal-memory.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00022 | $0.01211 |
| Opus 5 | $0.00011 | $0.00606 |
| Sonnet 5 | $0.00004 | $0.00242 |
| Haiku 4.5 | $0.00002 | $0.00121 |
Grade A, and why
use-universal-memory 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 3d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- universal-memory — 94% identical, 30 lines differ
How it starts
The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Use Universal Memory
Purpose
Universal Memory (umem) is the repository memory and skill layer. This skill is the
single UMEM guide and router: use it to load current memory context, interpret UMEM
state, decide whether deeper instructions are needed, and route directly to the focused
reference for the task.
Keep this as one guide-style skill. Do not split UMEM into separate skills for startup, facts, host sync, or skill lifecycle work unless the user explicitly approves that design change.
Desired Outcomes
- Agents begin repository work with current UMEM context and relevant active skills.
- Users get behavior informed by durable project facts and global preferences without host files becoming memory dumps.
- Memory mutations are deliberate, safe, scoped correctly, and synced when they should affect future host instructions.
- References are loaded only on demand, preserving Agent Skills progressive disclosure.
Data Sources
.umem/project storage and generated project skills.AGENTS.mdandCLAUDE.mdmanaged UMEM bootstrap instructions.- CLI output from
umem bootstrapand targeted read or mutation commands. - MCP tool results when available; treat them as equivalent automation surfaces over the CLI behavior contract.
references/files in this skill for deeper task-specific procedures.
Mandatory Startup
At the start of a conversation or session, load UMEM context before planning, editing, investigating, reviewing, or activating another workflow:
umem bootstrap --format json
Then inspect any relevant active skill:
umem skills detail <skill-id-or-name> --format json
Prefer MCP bootstrap() when it is available; otherwise use the CLI command above. Use the
CLI examples in the references as the canonical behavior contract.
Workflow And State Interpretation
- If bootstrap reports UMEM unavailable or the project uninitialized, say so explicitly and continue without external memory instead of inventing context.
- Treat
data.contextas active repository guidance for the current work session. - Treat global context as cross-project user preference; do not let it override explicit project constraints or user instructions for the current task.
- Treat
data.skills.listas discovery metadata. Inspect only relevant active skills withskills detail, and load deeper skill files only when the current task calls for them. - Do not repeat the full startup sequence on every user message in the same conversation; query only the specific UMEM state needed after the initial preflight.
- Preserve relative paths in specs, docs, code, and reports.
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 3d ago First seen · 118 lines · 22 tokens per session scan A a1dc6cc55368
use-universal-memory is a skill published in the GitHub repository YanAmorelli/universal-memory (6 stars, last pushed 9d ago), licensed Apache-2.0. It adds 22 tokens to every session and 1,211 once invoked, about $0.0001 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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