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 skills/midosresearch/midos/sql_masterynpx skills add MidOSresearch/midos --skill sql_masterygit clone --depth 1 https://github.com/MidOSresearch/midosWhat 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 | $0.00000 | $0.00129 |
| Opus 5 | $0.00000 | $0.00064 |
| Sonnet 5 | $0.00000 | $0.00026 |
| Haiku 4.5 | $0.00000 | $0.00013 |
Grade A, and why
sql_mastery 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
🐘 PostgreSQL Mastery: Stored Procedures & Attribution
1. The "Gold Standard" Stored Procedure Structure
CREATE OR REPLACE PROCEDURE sp_refresh_attribution_daily()
LANGUAGE plpgsql
AS $$
BEGIN
-- 1. Truncate Staging
TRUNCATE TABLE stg_daily_traffic;
-- 2. Ingest New Data (Idempotent)
INSERT INTO fact_attribution (user_id, source, medium, timestamp)
SELECT
> **Note**: Full content available to MidOS PRO subscribers. See https://midos.dev/pricing
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 · 18 lines · 0 tokens per session scan A b31a2469ed3c
sql_mastery is a skill published in the GitHub repository MidOSresearch/midos (8 stars, last pushed 4mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 129 tokens. 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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