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 zgbrenner/agentcounsel --skill certificate-of-insurance-reviewgit clone --depth 1 https://github.com/zgbrenner/agentcounselWrote 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/zgbrenner/agentcounsel/certificate-of-insurance-review)<a href="https://agentmods.dev/skills/zgbrenner/agentcounsel/certificate-of-insurance-review"><img src="https://agentmods.dev/badge/skills/zgbrenner/agentcounsel/certificate-of-insurance-review/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/zgbrenner/agentcounsel/certificate-of-insurance-review"><img src="https://agentmods.dev/badge/skills/zgbrenner/agentcounsel/certificate-of-insurance-review.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 | $0.00029 | $0.01690 |
| Opus 5 | $0.00015 | $0.00845 |
| Sonnet 5 | $0.00006 | $0.00338 |
| Haiku 4.5 | $0.00003 | $0.00169 |
Grade A, and why
Certificate of Insurance Review 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 9d 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 — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Certificate of Insurance Review
Purpose
Review one or more certificates of insurance (COIs) and related endorsements — additional insured schedules, waiver of subrogation endorsements, primary and noncontributory endorsements — against contract insurance requirements where provided, into a source-cited comparison table, a missing-endorsement list, and a mismatch list for attorney review. This skill compares what the documents show against the stated requirements; it treats a certificate as evidence only of what it states, not as proof of coverage.
Use When
- A certificate of insurance must be checked against contract insurance requirements.
- A reviewer needs the certificate's policy types, limits, dates, and endorsements extracted and compared.
- Missing endorsements or mismatches with the contract must be surfaced before a transaction or tender.
Required Inputs
- The certificate(s) of insurance, and any attached or referenced endorsements (additional insured, waiver of subrogation, primary and noncontributory), with source references.
- The contract insurance requirements if available — or a completed
insurance-requirements-contract-review— with source references; if not provided, the review compares against nothing and says so. - The user's role (certificate holder, named insured, contracting party, broker, or other) — or
not provided. - The relationship the certificate evidences (the underlying contract, lease, or engagement) — or
not provided. - The certificate and policy dates, echoed and marked
[deadline verification required].
If the certificate is missing, record it as not provided and return the missing-information list first. Do not review a certificate from a description alone.
Do Not Use When
- The request is to confirm that coverage exists, is in force, or extends to a particular party.
- The request is to determine additional insured status, waiver of subrogation, or primary/noncontributory status as a legal matter.
- The request is to conclude that contract requirements are legally met or unmet.
- The request is to review the underlying policy (use
insurance-policy-summary) or the contract's insurance clauses (useinsurance-requirements-contract-review), or for legal advice.
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.
- 9d ago First seen · 106 lines · 29 tokens per session scan A e4dd2b7bceb0
Certificate of Insurance Review is a skill published in the GitHub repository zgbrenner/agentcounsel (19 stars, last pushed 1mo ago), licensed MIT. It adds 29 tokens to every session and 1,690 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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