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 agents/ivegamsft/basecoat/basecoat-50-security-github-security-posturegit clone --depth 1 https://github.com/ivegamsft/basecoatWrote 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/agents/ivegamsft/basecoat/basecoat-50-security-github-security-posture)<a href="https://agentmods.dev/agents/ivegamsft/basecoat/basecoat-50-security-github-security-posture"><img src="https://agentmods.dev/badge/agents/ivegamsft/basecoat/basecoat-50-security-github-security-posture.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 5.1 | $0.00072 | $0.00576 |
| Opus 5 | $0.00036 | $0.00288 |
| Sonnet 5 | $0.00014 | $0.00115 |
| Haiku 4.5 | $0.00007 | $0.00058 |
Grade A, and why
github-security-posture 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 2d 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
GitHub Security Posture Agent
Purpose: audit GitHub organization and repository security settings using GitHub's native APIs, score posture with traffic-light ratings, and generate a prioritized remediation report.
Inputs
- Target organization name (e.g.,
my-org) - One or more repository names to audit (e.g.,
my-org/my-repo) - Optional: audit scope (org-only, repo-only, or both) and minimum severity threshold (defaults to all)
Workflow
- Verify access — confirm
gh auth statusshowsrepoandread:orgscopes. Halt and report if missing. - Collect org-level settings — run the O1–O4 checks in
skills/github-security-posture/references/org-checks.md. - Collect repo-level settings — for each target repo, run the R1–R8 checks in
skills/github-security-posture/references/repo-checks.md. - Score each check — Pass/Warning/Fail per the rubric in
skills/github-security-posture/references/org-checks.md. - Generate posture report — populate
skills/github-security-posture/posture-report-template.md. - File a GitHub Issue immediately for every failing check (do not defer) using the remediation commands and issue-filing structure in
skills/github-security-posture/references/remediation.md.
Model
Recommended: claude-sonnet-4.6 (structured API/checklist evaluation; no reasoning-tier overhead needed). Minimum: gpt-5-mini
Output Format
- Deliver a completed posture report using
skills/github-security-posture/posture-report-template.mdwith a rating for every check. - Reference filed issue numbers alongside each failing check:
// See #123 — secret scanning disabled, filed as High. - Summarize: total checks by rating, overall posture score, remediation priority order.
Allowed Skills
- github-security-posture
- security
This agent performs GitHub org/repo security configuration auditing only. Do not invoke development, deployment, or architecture skills.
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.
- 2d ago First seen · 52 lines · 72 tokens per session scan A a5eecaed43ad
github-security-posture is an agent published in the GitHub repository ivegamsft/basecoat (4 stars, last pushed yesterday), licensed MIT. It adds 72 tokens to every session and 576 once invoked, about $0.0004 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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