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 skills add PlamenTSV/plamen --skill account-lifecyclegit clone --depth 1 https://github.com/PlamenTSV/plamenWrote 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/plamentsv/plamen/account-lifecycle)<a href="https://agentmods.dev/skills/plamentsv/plamen/account-lifecycle"><img src="https://agentmods.dev/badge/skills/plamentsv/plamen/account-lifecycle/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/plamentsv/plamen/account-lifecycle"><img src="https://agentmods.dev/badge/skills/plamentsv/plamen/account-lifecycle.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 | $0.00028 | $0.01199 |
| Opus 5 | $0.00014 | $0.00600 |
| Sonnet 5 | $0.00006 | $0.00240 |
| Haiku 4.5 | $0.00003 | $0.00120 |
Grade A, and why
account-lifecycle 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 7d 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 — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ACCOUNT_LIFECYCLE Skill
Trigger Pattern: ACCOUNT_CLOSING flag detected (close/CloseAccount usage) Inject Into: Breadth agents, depth agents Finding prefix:
[AL-N]Rules referenced: S4, R9
For every account close operation in the Solana program:
1. Close Operation Inventory
List all account closing operations:
| # | Instruction | Account Closed | Close Method | Lamport Recipient | Location |
|---|---|---|---|---|---|
| 1 | {ix} | {account} | Anchor close / manual |
{recipient} | {file:line} |
2. Close Completeness
For each close operation, verify ALL steps:
| Close Op | Data Zeroed? | Lamports Transferred? | Discriminator Set to CLOSED? | Owner Transferred to System? |
|---|---|---|---|---|
| {op} | YES/NO | YES/NO | YES/NO | YES/NO |
Anchor close: Handles all 4 steps automatically. Manual closing MUST do all 4.
Missing step impact:
- Data not zeroed → residual data readable by other programs
- Lamports not fully transferred → rent-exempt lamports stranded (Rule 9)
- Discriminator not set → account can be "reopened" with stale type
- Owner not transferred → program still has authority over closed account
3. Revival Attack Analysis (S4 - CRITICAL)
For each close operation:
| Close Op | Same-Tx Refund Possible? | Revival Guard? | Attack Sequence |
|---|---|---|---|
| {op} | YES/NO | YES/NO | {if YES: describe} |
Attack (S4): Within the SAME transaction, after an account is closed (lamports drained, data zeroed):
- Close account (lamports go to attacker)
- In same tx, re-fund account with lamports (becomes rent-exempt again)
- Account data is all zeros but account exists again
- Next instruction that checks
account.data_len() > 0or assumes "closed accounts don't exist" fails
Defense: Set discriminator to a CLOSED sentinel value. Check discriminator on every access, not just data length.
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.
- 7d ago First seen · 112 lines · 28 tokens per session scan A 45a7552bdb83
account-lifecycle is a skill published in the GitHub repository PlamenTSV/plamen (295 stars, last pushed 2d ago), licensed MIT. It adds 28 tokens to every session and 1,199 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 2026-09-03.
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