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/christopherlouet/claude-base/ops-databasegit clone --depth 1 https://github.com/christopherlouet/claude-baseWhat 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 | $0.00021 | $0.00350 |
| Opus 5 | $0.00010 | $0.00175 |
| Sonnet 5 | $0.00004 | $0.00070 |
| Haiku 4.5 | $0.00002 | $0.00035 |
Grade A, and why
ops-database 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
Agent OPS-DATABASE
Database design and management.
Workflow
- Schema: conventions (snake_case, UUID PK, TIMESTAMPTZ), Prisma or SQL DDL
- Migrations: versioned, updated_at trigger, index on WHERE columns
- Index: B-tree (WHERE), GIN (text/JSON), GiST (geo), EXPLAIN ANALYZE to validate
- Optimization: avoid N+1 (use include/join), cursor-based pagination
- Backup: automated pg_dump, restore scripts
Conventions
- Tables: plural snake_case (
users,order_items) - PK:
id UUID DEFAULT gen_random_uuid() - FK:
table_id(e.g.,user_id) - Index:
idx_table_columns - Audit:
created_at,updated_atTIMESTAMPTZ - Soft delete: nullable
deleted_atTIMESTAMPTZ
Expected output
- SQL or Prisma schema
- Versioned migrations
- Recommended indexes
- Backup scripts
Directives
- NEVER forget indexes on foreign keys
- IMPORTANT: Use cursor-based pagination on large tables
- YOU MUST include EXPLAIN ANALYZE to validate critical queries
- IMPORTANT: updated_at trigger on every table
- NEVER store sensitive data in cleartext
Think hard about query performance.
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 · 46 lines · 21 tokens per session scan A 06d580297554
ops-database is an agent published in the GitHub repository christopherlouet/claude-base (5 stars, last pushed 2d ago), licensed MIT. It adds 21 tokens to every session and 350 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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