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 SummerSec/SumSec-Skills --skill cf-temp-mail-agent-mailgit clone --depth 1 https://github.com/SummerSec/SumSec-SkillsWrote 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/summersec/sumsec-skills/cf-temp-mail-agent-mail)<a href="https://agentmods.dev/skills/summersec/sumsec-skills/cf-temp-mail-agent-mail"><img src="https://agentmods.dev/badge/skills/summersec/sumsec-skills/cf-temp-mail-agent-mail/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/summersec/sumsec-skills/cf-temp-mail-agent-mail"><img src="https://agentmods.dev/badge/skills/summersec/sumsec-skills/cf-temp-mail-agent-mail.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00133 | $0.01979 |
| Opus 5 | $0.00067 | $0.00989 |
| Sonnet 5 | $0.00027 | $0.00396 |
| Haiku 4.5 | $0.00013 | $0.00198 |
Grade A, and why
cf-temp-mail-agent-mail scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -s "$BASE/api/settings" -H "Authorization: Bearer $JWT" How it starts
The opening of the file, as written. The whole thing — 199 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Temp-Mail Agent Usage
Prerequisites
The user must first open the frontend (e.g. https://mail.example.com) in a browser and create or log into a mailbox address. This step may require passing a Turnstile CAPTCHA that agents cannot complete. After that, the Address JWT is displayed in the frontend UI and can be copied directly.
Inputs the user must provide
BASE- API base URL, e.g.https://mail.example.com.JWT- Address JWT, visible and copyable from the frontend UI after creating or logging into a mailbox.- (optional)
SITE_PASSWORD- only if the deployment enabledx-custom-auth.
If anything is missing, ask the user before making requests.
Credential persistence
To avoid asking every time, save credentials to ~/.cf-temp-mail/credentials.json:
{
"base": "https://mail.example.com",
"jwt": "<ADDRESS_JWT>",
"site_password": ""
}
On first use, if the file exists, read and use it. If not, ask the user and save for next time. Before each request, validate the JWT via GET /api/settings - if it returns 401, inform the user the JWT is expired and ask for a fresh one, then update the file.
Required headers
Authorization: Bearer <JWT>- on every/api/*request.x-custom-auth: <SITE_PASSWORD>- only when the site requires it.x-lang: enorzh- optional, error-message language.
Do not send the Address JWT as x-user-token - that is a different JWT type and will yield 401 InvalidAddressCredentialMsg.
Primary path: parsed endpoints
| Task | Method | Path | Returns |
|---|---|---|---|
| Address info | GET | /api/settings |
{ address, send_balance } |
| List parsed mails | GET | /api/parsed_mails'limit=&offset= |
{ results: [parsedMail], count } |
| Get one parsed mail | GET | /api/parsed_mail/:id |
parsedMail |
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.
- 10d ago First seen · 199 lines · 133 tokens per session scan A ee9be3def040
cf-temp-mail-agent-mail is a skill published in the GitHub repository SummerSec/SumSec-Skills (8 stars, last pushed 26d ago), licensed Apache-2.0. It adds 133 tokens to every session and 1,979 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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