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 rules/prisma/orm/contract-default-valuesgit clone --depth 1 https://github.com/prisma/ormWhat 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 | $0.00203 |
| Opus 5 | $0.00000 | $0.00102 |
| Sonnet 5 | $0.00000 | $0.00041 |
| Haiku 4.5 | $0.00000 | $0.00020 |
Grade A, and why
contract-default-values 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- contract-default-values — 100% identical, 0 lines differ
What it actually says
Contract Default Values
Key points
- When adding column defaults, re-emit the contract and verify the emitted JSON includes the full default payload.
- Add the corresponding
defaults.*capability when using function defaults likeautoincrement()ornow().
CLI output: tree vs JSON
Column defaults are handled differently depending on output format:
- Tree output (
db introspect): Labels show only type and nullability, e.g.id: int4 (not nullable). Defaults are omitted from labels to keep tree output concise. - JSON output (
db introspect --json): Full default information is preserved in the schema IR. - Programmatic access: Defaults are always available in
SchemaTreeNode.meta.defaultfor tooling that needs them.
This separation keeps human-readable tree output clean while preserving full data for automation.
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 · 23 lines · 0 tokens per session scan A f35e11dc5934
contract-default-values is a cursor rule published in the GitHub repository prisma/orm (47,579 stars, last pushed yesterday), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 203 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 2026-08-30.
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