oracle-apex-ai-skills: Instructions file for Codex

AGENTS.md

oracle-apex-ai-skills AGENTS.md is an instructions file for Codex, OpenCode from andre-simplifica/oracle-apex-ai-skills. It costs 556 tokens per session, scanned A, original, MIT.

Repository guidance for an Oracle APEX AI-skills project. Oracle APEX is a platform for building web applications with Oracle databases, and PL/SQL is Oracle’s database programming language.

In plain words
What is it for?
Use it when modifying reusable Oracle APEX skills, templates, scripts, or documentation in that repository.
Why use it?
It gives contributors shared rules about project scope, supported versions, validation, and publishing changes.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions Claude Code; mentions AGENTS.md; mentions Codex.

This is andre-simplifica/oracle-apex-ai-skills's own configuration. It tells Codex and OpenCode how to work on oracle-apex-ai-skills itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything oracle-apex-ai-skills configures →

Reuse

Borrowing it

Nothing to install: this file belongs to andre-simplifica/oracle-apex-ai-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/andre-simplifica/oracle-apex-ai-skills/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/andre-simplifica/oracle-apex-ai-skills

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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Your own site
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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.

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Per session 556 This file is loaded in full into every session.
When invoked 556 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00556 $0.00556
Opus 5 $0.00278 $0.00278
Sonnet 5 $0.00111 $0.00111
Haiku 4.5 $0.00056 $0.00056

Measured 9d ago against content hash 58c1107fc42f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

oracle-apex-ai-skills AGENTS.md 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 9d 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.

AGENTS.md · 53 lines

How it starts

The opening of the file, as written. The whole thing — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

This repository is the reusable Oracle APEX AI Skills project.

Context

  • Repository: andre-simplifica/oracle-apex-ai-skills
  • Audience: Oracle APEX developers, PL/SQL developers, Oracle OCI users, and AI-assisted development practitioners
  • Supported baseline: Oracle APEX 24.2, with explicit gates for APEX 26.1 and later
  • Core purpose: provide reusable skills, templates, scripts, and documentation that help AI agents work safely with Oracle APEX projects.

Working Rules

  • Work directly on main for this repository.
  • When a change is finished, commit and push to origin main unless the user explicitly asks not to publish.
  • Keep this repository generic and reusable. Do not add company-specific, customer-specific, or application-specific rules to the core.
  • Do not include private schema names, workspace names, hostnames, internal URLs, credentials, production payloads, or customer data.
  • Do not invent APEX, SQLcl, PL/SQL, OCI, Codex, Claude Code, or GitHub behavior. Verify current files before changing instructions.
  • Keep APEXlang generation, export, validation, compilation, and import outside this repository. On APEX 26.1 or later, use standard SQL exports and version-gated public APIs only.
  • Prefer small, explicit, production-friendly guidance over broad abstractions.
  • Keep documentation and skill content in English, except README.pt-BR.md, which is the Portuguese onboarding document.

Source Boundaries

  • Main routing and project-managed installation guidance belongs in skills/oracle-apex-ai-skills/.
  • General APEX development guidance belongs in skills/oracle-apex-dev/.
  • Cooperative shared-DEV object-lock guidance and runtime assets belong in skills/oracle-apex-object-lock/.
  • General baseline, export, snapshot, and release guidance belongs in skills/oracle-apex-export/.
  • Human-facing guides belong in docs/.
  • Reusable project-profile scaffolding belongs in templates/.
  • Installer, updater, and validation logic belongs in scripts/.
  • Application-specific project standards belong in the consuming project's .oracle-apex-ai/ profile, not in this reusable core.

Read the full file on GitHub · 53 lines

Changes

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.

  1. 9d ago First seen · 53 lines · 556 tokens per session scan A 58c1107fc42f

Subscribe to this mod's changes

oracle-apex-ai-skills AGENTS.md is an instructions file published in the GitHub repository andre-simplifica/oracle-apex-ai-skills (20 stars, last pushed 16d ago), licensed MIT. It adds 556 tokens to every session, about $0.0028 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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