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 calvinchengx/data-agent-service --skill dialect-snowflakegit clone --depth 1 https://github.com/calvinchengx/data-agent-serviceWrote 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/calvinchengx/data-agent-service/dialect-snowflake)<a href="https://agentmods.dev/skills/calvinchengx/data-agent-service/dialect-snowflake"><img src="https://agentmods.dev/badge/skills/calvinchengx/data-agent-service/dialect-snowflake.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 | $0.00016 | $0.00336 |
| Opus 5 | $0.00008 | $0.00168 |
| Sonnet 5 | $0.00003 | $0.00067 |
| Haiku 4.5 | $0.00002 | $0.00034 |
Grade A, and why
dialect-snowflake 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 7d 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
Applies to sources whose dialect is snowflake.
- Row ceiling: the executor appends
LIMIT n. Do not writeLIMIT,TOP, orFETCH. - Identifiers:
database.schema.table; unquoted names fold to UPPER case. Quote with"double quotes"only when the described name is mixed-case. - Dates:
date_trunc('month', col),year(col),to_char(col, 'YYYY-MM'),datediff('minute', a, b),dateadd('day', n, col),last_day(col). - Strings:
||,concat,lower,ilike. - Division: integer / integer yields a decimal in Snowflake, but cast (
::number(18,4)) when the catalog gives a unit so the scale is explicit. - Conditional aggregation:
count_if(cond),sum(iff(cond, 1, 0)),avg(iff(cond, 1.0, 0.0)). - Nulls:
avg/sumskip nulls;count(col)skips,count(*)does not.nvl/coalescewhen the catalog says nullable. - Semi-structured columns (
VARIANT) usecol:field::type— only when the column description says the field is there.
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.
- 7d ago First seen · 17 lines · 16 tokens per session scan A 5884ec3dd823
dialect-snowflake is a skill published in the GitHub repository calvinchengx/data-agent-service (0 stars, last pushed yesterday), licensed Apache-2.0. It adds 16 tokens to every session and 336 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 2026-08-31.
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