mnemic AGENTS.md

mnemic AGENTS.md is an instructions file for Codex, OpenCode from dongtang3/mnemic. It costs 221 tokens per session, scanned A, original, MIT.

Project instructions for Mnemic, a graph-based long-term memory system for coding agents and AI applications. They tell an agent when to read, save, and update project memories.

In plain words
What is it for?
Use them to load relevant project context, record durable technical decisions, and keep memories scoped, factual, searchable, and free of secrets.
Why use it?
They help an agent retain architecture decisions, recurring fixes, and project rules across sessions instead of starting with no context each time.

Instructions file for CodexOpenCode

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 instructions/dongtang3/mnemic/agents-md
Clone the repo
git clone --depth 1 https://github.com/dongtang3/mnemic

Made for: Codex, OpenCode.

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 mnemic AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/dongtang3/mnemic/agents-md.svg)](https://agentmods.dev/instructions/dongtang3/mnemic/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/dongtang3/mnemic/agents-md"><img src="https://agentmods.dev/badge/instructions/dongtang3/mnemic/agents-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 221 This file is loaded in full into every session.
When invoked 221 The same file — it is already loaded in full.
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 $0.00221 $0.00221
Opus 5 $0.00111 $0.00111
Sonnet 5 $0.00044 $0.00044
Haiku 4.5 $0.00022 $0.00022

Measured 3d ago against content hash 543e5867dcfb, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

mnemic AGENTS.md 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.

AGENTS.md · 15 lines

What it actually says

Mnemic Agent Instructions

Mnemic is a graph-backed long-term memory substrate for coding agents and LLM applications.

When the mnemic_* MCP tools are available:

  • Start non-trivial work by calling mnemic_context_pack with the current task and a concrete project scope.
  • For broad or fresh sessions, call mnemic_session_briefing before making implementation decisions.
  • Store a memory with mnemic_remember for durable architecture decisions, reusable bug fixes, release or environment rules, recurring workflows, and project-specific constraints.
  • Use stable sourceKey values when possible, such as commit SHAs, issue IDs, ticket IDs, or session-summary IDs, so repeated runs update rather than duplicate memory.
  • Set confidence below 1.0 when a memory is inferred, external, temporary, or likely to go stale.
  • Keep memories factual, searchable, scoped to a project, and free of secrets.

If the MCP server is unavailable, continue normally and mention that Mnemic memory was not reachable.

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. 3d ago First seen · 15 lines · 221 tokens per session scan A 543e5867dcfb

Subscribe to this mod's changes

mnemic AGENTS.md is an instructions file published in the GitHub repository dongtang3/mnemic (0 stars, last pushed 21d ago), licensed MIT. It adds 221 tokens to every session, about $0.0011 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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