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 Misar-AI/misarmail-mcp --skill audit-deliverabilitygit clone --depth 1 https://github.com/Misar-AI/misarmail-mcpWrote 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/misar-ai/misarmail-mcp/audit-deliverability)<a href="https://agentmods.dev/skills/misar-ai/misarmail-mcp/audit-deliverability"><img src="https://agentmods.dev/badge/skills/misar-ai/misarmail-mcp/audit-deliverability/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/misar-ai/misarmail-mcp/audit-deliverability"><img src="https://agentmods.dev/badge/skills/misar-ai/misarmail-mcp/audit-deliverability.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 | $0.00060 | $0.00459 |
| Opus 5 | $0.00030 | $0.00230 |
| Sonnet 5 | $0.00012 | $0.00092 |
| Haiku 4.5 | $0.00006 | $0.00046 |
Grade A, and why
audit-deliverability 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 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.
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.
What it actually says
Audit deliverability
Gather everything before concluding
Run all four — a partial picture produces the wrong recommendation:
| Tool | What it tells you |
|---|---|
get_deliverability_score |
Headline score 0–100 and grade, with contributing factors |
run_deliverability_audit |
Detailed findings across auth, reputation, content, blocklists |
check_dmarc (per domain from list_domains) |
Live SPF/DKIM/DMARC records and alignment failures |
get_warmup_status |
Whether volume is exceeding warm-up capacity |
Also call list_contacts with status=bounced and status=complained — a
dirty list depresses deliverability no matter how good the DNS is.
Report
Group findings by impact (high / medium / low). Every item must name the
specific record, setting, or segment to change. "Improve your SPF record"
is not actionable; "add include:_spf.misar.io to the TXT record on
example.com, which currently reads v=spf1 -all" is.
Common causes, in the order they actually occur
- Missing or misaligned DMARC/SPF/DKIM — by far the most frequent. A
From:domain that does not align with the signing domain fails authentication at Gmail and Outlook regardless of content. - Sending above warm-up capacity on a new domain or IP.
- List hygiene — mailing bounced or long-unengaged addresses. See the
clean-contact-listskill. - Content signals — link shorteners, image-only bodies, missing text part.
Do not
- Recommend changes to a domain you have not called
check_dmarcon. - Report a score without saying what is dragging it down.
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 · 43 lines · 60 tokens per session scan A a3c552870251
audit-deliverability is a skill published in the GitHub repository Misar-AI/misarmail-mcp (1 stars, last pushed 2d ago), licensed MIT. It adds 60 tokens to every session and 459 once invoked, about $0.0003 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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