Borrowing it
Nothing to install: this file belongs to timfewi/tentaflake. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/timfewi/tentaflake/main/.agents/skills/hermes-memory-personality/SKILL.mdgit clone --depth 1 https://github.com/timfewi/tentaflakeWrote 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/timfewi/tentaflake/hermes-memory-personality)<a href="https://agentmods.dev/skills/timfewi/tentaflake/hermes-memory-personality"><img src="https://agentmods.dev/badge/skills/timfewi/tentaflake/hermes-memory-personality/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.
<a href="https://agentmods.dev/skills/timfewi/tentaflake/hermes-memory-personality"><img src="https://agentmods.dev/badge/skills/timfewi/tentaflake/hermes-memory-personality.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 5.1 | $0.00037 | $0.02424 |
| Opus 5 | $0.00018 | $0.01212 |
| Sonnet 5 | $0.00007 | $0.00485 |
| Haiku 4.5 | $0.00004 | $0.00242 |
Grade A, and why
hermes-memory-personality 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 274 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Hermes Memory & Personality
Tentaflake context: This skill describes Hermes' built-in memory system — it works the same inside tentaflake agent containers. The memory settings (
memory.memory_enabled,memory.user_profile_enabled, etc.) can be configured declaratively via thesettingsattrset inmy-agents.nix. Seemy-agents.nix.examplefor examples. Agent state (including memory) persists in/var/lib/hermes-<name>/on the host.
When to Use
- Manage what the agent remembers across sessions
- Configure SOUL.md personality
- Set up AGENTS.md project context files
- Control memory capacity and consolidation
- Switch personalities mid-session
- Understand memory vs skills distinction
- Use context files (CLAUDE.md, .cursorrules)
Procedure
1. Memory System Overview
Two files persist across sessions:
| File | Purpose | Char Limit | Location |
|---|---|---|---|
| MEMORY.md | Agent's notes — env facts, conventions, lessons | 2,200 chars (~800 tokens) | ~/.hermes/memories/MEMORY.md |
| USER.md | User profile — preferences, style, expectations | 1,375 chars (~500 tokens) | ~/.hermes/memories/USER.md |
Both inject into system prompt as frozen snapshot at session start.
2. Memory Tool Actions
Agent uses memory tool:
memory(action="add", target="memory", content="User prefers TypeScript over JavaScript")
memory(action="replace", target="memory",
old_text="TypeScript",
content="User prefers TypeScript over JavaScript")
memory(action="remove", target="memory", old_text="TypeScript")
| Action | Use | Key params |
|---|---|---|
add |
New entry | target (memory / user), content |
replace |
Update existing | target, old_text (substring), content |
remove |
Delete entry | target, old_text (substring) |
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.
- 11d ago First seen · 274 lines · 37 tokens per session scan A ab2c3983f1a8
hermes-memory-personality is a skill published in the GitHub repository timfewi/tentaflake (30 stars, last pushed 3d ago), licensed MIT. It adds 37 tokens to every session and 2,424 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 2026-08-30.
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