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 OpenLinkSoftware/ai-agent-skills --skill openlink-license-readergit clone --depth 1 https://github.com/OpenLinkSoftware/ai-agent-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/openlinksoftware/ai-agent-skills/openlink-license-reader)<a href="https://agentmods.dev/skills/openlinksoftware/ai-agent-skills/openlink-license-reader"><img src="https://agentmods.dev/badge/skills/openlinksoftware/ai-agent-skills/openlink-license-reader.svg" alt="Measured on agentmods" 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 | $0.00076 | $0.02221 |
| Opus 5 | $0.00038 | $0.01111 |
| Sonnet 5 | $0.00015 | $0.00444 |
| Haiku 4.5 | $0.00008 | $0.00222 |
Grade A, and why
openlink-license-reader 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 8d 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
result = subprocess.run( How it starts
The opening of the file, as written. The whole thing — 232 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenLink License Reader Skill
Purpose
Parse and display OpenLink .lic files (ASN.1 DER-encoded) in a clean, human-readable format using openssl asn1parse. Flags expired licenses. Supports single file or full directory scan.
Execution Routing
Default execution order when REST or remote access is needed:
- Local execution — parse license files directly using
openssl asn1parse(primary mode) - URIBurner REST functions — for remote license validation or registry lookups
- Terminal-owned OAuth flow — when a REST endpoint requires OAuth 2.0 authentication, execute the OAuth flow from the terminal (authorization code, client credentials, or device flow), capture the Bearer token, and inject it into subsequent REST/OpenAPI calls via
Authorization: Bearer {token}headers - MCP — if a remote MCP-enabled service exposes license validation tools
If the user names a specific mode or protocol, follow that preference instead.
Step 0 — Locate License File(s)
Resolve the target in this priority order:
| Priority | Source | Detail |
|---|---|---|
| 1 | Explicit filename | User provides a path — use as-is, skip all other steps |
| 2 | $OPL_LICENSE_DIR |
Check env var; scan that directory for *.lic files |
| 3 | OS default path | See table below |
OS Default License Paths
| OS | Default Path |
|---|---|
| macOS | /Library/Application Support/openlink/Licenses |
| Linux | /etc/oplmgr/ |
| Windows | C:\Program Files\OpenLink Software\UDA\bin\ |
# Detect OS
uname -s # Darwin = macOS, Linux = Linux
# Check env var
echo $OPL_LICENSE_DIR
# List license files in resolved directory
ls "/Library/Application Support/openlink/Licenses/"*.lic 2>/dev/null
If multiple .lic files are found and no specific file was requested:
- Default: scan all and produce a summary table (one row per file)
- On request: inspect a single named file in full detail
Step 1 — Parse the License File
openssl asn1parse -in "{license-file}" -i -inform der
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 8d ago First seen · 232 lines · 76 tokens per session scan A 861e4b964d68
openlink-license-reader is a skill published in the GitHub repository OpenLinkSoftware/ai-agent-skills (38 stars, last pushed 4d ago), licensed MIT. It adds 76 tokens to every session and 2,221 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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