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 looker-open-source/looker-skills --skill lookml-access-grantsgit clone --depth 1 https://github.com/looker-open-source/looker-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/looker-open-source/looker-skills/lookml-access-grants)<a href="https://agentmods.dev/skills/looker-open-source/looker-skills/lookml-access-grants"><img src="https://agentmods.dev/badge/skills/looker-open-source/looker-skills/lookml-access-grants/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/looker-open-source/looker-skills/lookml-access-grants"><img src="https://agentmods.dev/badge/skills/looker-open-source/looker-skills/lookml-access-grants.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 | $0.00021 | $0.00325 |
| Opus 5 | $0.00010 | $0.00162 |
| Sonnet 5 | $0.00004 | $0.00065 |
| Haiku 4.5 | $0.00002 | $0.00032 |
Grade A, and why
lookml-access-grants 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 11d 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
Instructions
- Define Access Grant:
- Defined at the Model level.
- Links a
user_attributeto a set ofallowed_values.
- Apply Access Grant:
- Use
required_access_grants: [grant_name]at the Explore, Join, View, or Field level. - User must match all listed grants to see the object.
- Use
- Best Practices:
- Exact Match:
allowed_valuesmust match the user attribute value distinctively (no wildcards/partial matches). - Additive: Grants are additive. If a View requires Grant A and a Field requires Grant B, the user needs both to see the field.
- Exact Match:
Examples
Basic Access Grant
# In model file
access_grant: can_view_finance {
user_attribute: department
allowed_values: ["finance", "executive"]
}
# In view file
view: finance_data {
required_access_grants: [can_view_finance]
# ...
}
Field-Level Security
dimension: salary {
type: number
sql: ${TABLE}.salary ;;
required_access_grants: [can_view_finance]
}
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.
- 11d ago First seen · 49 lines · 21 tokens per session scan A 2bbbd84c8e57
lookml-access-grants is a skill published in the GitHub repository looker-open-source/looker-skills (28 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 21 tokens to every session and 325 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 2026-08-30.
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