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/ooiyeefei/ccc/self-improving-systemsnpx skills add ooiyeefei/ccc --skill self-improving-systemsgit clone --depth 1 https://github.com/ooiyeefei/cccWrote 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/ooiyeefei/ccc/self-improving-systems)<a href="https://agentmods.dev/skills/ooiyeefei/ccc/self-improving-systems"><img src="https://agentmods.dev/badge/skills/ooiyeefei/ccc/self-improving-systems.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 | $0.00161 | $0.05097 |
| Opus 5 | $0.00081 | $0.02549 |
| Sonnet 5 | $0.00032 | $0.01019 |
| Haiku 4.5 | $0.00016 | $0.00510 |
Grade A, and why
self-improving-systems 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 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.
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 — 308 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Self-Improving Systems
A prescriptive Q&A skill for adding memory, feedback loops, and closed-loop learning to agentic systems — only when justified.
Headline message: most agents shouldn't have persistent memory.
Memory is a liability surface (drift, poisoning, debugging difficulty, GDPR/HIPAA exposure). Persistent memory is the second move, not the first. The skill's job is to filter ruthlessly so the user doesn't ship a mem0/Letta build for a problem that a 200-line conversation summary would solve.
The first 2 stages of the Q&A flow exist to stop most users from over-engineering. By the end of stage 2, ~60% of users will discover they want a state cache (or stateless RAG), not memory + learning. That's the win.
Quick Start
User just asks:
"Add memory to my agent"
"My agent keeps forgetting things — give it context management"
"Make my marketing agent learn from past campaigns"
"Should I use mem0 or Letta?"
"How do I set up closed-loop learning for my finance agent?"
"Build a self-improving HAZOP system"
Skill response (every time, in this order):
- Stop. Apply the cache-vs-learning frame (Stage 1).
- Run the 6-question need-memory rubric (Stage 2). <4 yes → exit the skill, recommend stateless + RAG.
- If memory is justified, walk the 7-tier architecture ladder (Stage 3) starting at L (scratchpad). Escalate only when forced by a concrete justification.
- Force the user to design a feedback signal (Stage 4). No signal = state cache, full stop.
- Wire the closed loop with explicit human gates (Stage 5).
- Build the eval harness (Stage 6) — golden set, regression, drift alarms.
- Walk the 8-risk checklist (Stage 7).
- Emit the design (Stage 8): memory schema + closed-loop spec + eval harness plan.
Critical Rules
1. Default position: scratchpad-only
Ship a stateless agent first. Add a scratchpad (Reflexion-style verbal self-correction) within a single run. Discard it after. This already gets you most of the gain on most tasks. Anything more must be earned.
What ships with it
10 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.
- examples/eval-harness.md 9.2 KB
- examples/kv-store-mem0.md 7.8 KB
- examples/reflexion-loop.md 5.9 KB
- README.md 4.2 KB
- references/architectures.md 12 KB
- references/case-studies.md 14 KB
- references/eval-harness.md 9.2 KB
- references/feedback-signals.md 12 KB
- references/playbook-ladder.md 8.6 KB
- references/risks.md 12 KB
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.
- 5d ago First seen · 308 lines · 161 tokens per session scan A d4e6e61b7a04
self-improving-systems is a skill published in the GitHub repository ooiyeefei/ccc (483 stars, last pushed 1mo ago), licensed MIT. It adds 161 tokens to every session and 5,097 once invoked, about $0.0008 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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