What is spring-ant AGENTS.md?

Project-specific instructions for a Java 21 Spring Boot backend, covering its structure, responses, errors, security, authentication, and database code generation.

Use them when working on the spring-ant repository, especially controllers, JWT login and role checks, error handling, MyBatis database access, or logging.

They help an agent make changes that match the project's existing conventions instead of introducing inconsistent behaviour.

How HKPC-1967/spring-ant configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to HKPC-1967/spring-ant. 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/HKPC-1967/spring-ant/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/HKPC-1967/spring-ant

Made for: Codex, OpenCode.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/hkpc-1967/spring-ant/agents-md/github.svg)](https://agentmods.dev/instructions/hkpc-1967/spring-ant/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/hkpc-1967/spring-ant/agents-md"><img src="https://agentmods.dev/badge/instructions/hkpc-1967/spring-ant/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>

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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/hkpc-1967/spring-ant/agents-md"><img src="https://agentmods.dev/badge/instructions/hkpc-1967/spring-ant/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 896 This file is loaded in full into every session.

When invoked 896 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.

Model	Per session	Once invoked
Fable 5.1	$0.00896	$0.00896
Opus 5.5	$0.00358	$0.00358
Sonnet 5.5	$0.00179	$0.00179
Haiku 4.5	$0.00090	$0.00090

Measured 19d ago against content hash 789eebc1dbc7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

spring-ant 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 19d 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 · 47 lines

How it starts

The opening of the file, as written. The whole thing — 47 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Big picture

Spring Boot 4 backend (Java 25 toolchain; Gradle 8.14.3+ via wrapper) with /api context path; entrypoint is src/main/java/org/hkpc/dtd/Application.java.
Major stack (see build.gradle): Spring Boot 4.1.1, MyBatis Spring Boot 4.1.0, PageHelper 4.1.1, springdoc-openapi 3.1.1, Druid druid-spring-boot-4-starter 1.2.28.
Controllers live under src/main/java/org/hkpc/dtd/business/*/controller and are wrapped by an aspect (common/core/aspect/MainAspect.java) that logs and enforces the unified response envelope from ResponseStructureUtil.
Database access uses MyBatis (mapper XML in src/main/resources/mapper/*.xml, mapper interfaces in component/postgres/dao), PageHelper for pagination, and Druid as the datasource pool.
JWT auth + RBAC: JwtAuthenticationFilter validates tokens, sets Spring Security roles, and SpringSecurityConfig applies role checks for specific routes.

Response + error handling conventions

Successful controller responses are wrapped by ResponseStructureUtil.getSuccessResponse(...) unless the URL is in MainAspect.NO_CHANGE_RESULT_URLS.
Errors should use CodeException + ErrorCodeEnum; GlobalExceptionHandler maps common validation/format errors to consistent error codes.
Logging for alarms uses markers from CommonConst (MARK_ALARM_SYSTEM, MARK_ALARM_CUSTOM).

Security + auth flow

JWT access token header is Authorization: Bearer <token>; refresh token header is refreshToken (see CommonConst).
Routes excluded from JWT checks are in CommonConst.NO_CHECK_JWT_TOKEN_URLS and OpenApiConfig excludes login/refresh from Swagger header injection.
JWT signing key is stored encrypted in DB (see DbConfigService.KeyEnum.JWT_KEY), not in YAML.
Swagger UI is protected by Spring Security form login with a session cookie (project-config.spring-security.swagger-auth.* in application-dev.yml); business APIs remain stateless and use Bearer JWTs.

MyBatis code generation pipeline

DB table/column comments are the source of truth and are propagated via MyBatis Generator + custom comments.
Generator entrypoint: component/postgres/mybatis/generator/MybatisGenerator.java with config in src/main/resources/generator-configuration.xml.
CustomCommentGenerator adds @Schema annotations to generated models; the workflow copies model classes into DTOs for Swagger docs.
Background doc: readme/pipelined_model_code_generation.md.

Read the full file on GitHub · 47 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.

19d ago Changed · +1 lines · +89 tokens per session 789eebc1dbc7
2mo ago First seen · 46 lines · 807 tokens per session scan A 3e953429a0fb

Subscribe to this mod's changes

spring-ant AGENTS.md is an instructions file published in the GitHub repository HKPC-1967/spring-ant (22 stars, last pushed 19d ago), licensed MIT. It adds 896 tokens to every session, about $0.0036 per session on Opus 5.5. 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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spring-ant AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
spring-ant AGENTS.mdHKPC-1967/spring-ant	Instructions file	22	19d ago	MIT	A	896	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	9,719	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	yesterday	MIT	A	7,461	Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	yesterday	MIT	A	4,680	Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	5,516	GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	yesterday	MIT	A	3,093	GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness	Instructions file	274k	2d ago	MIT	A	4,313	Codex, OpenCode

spring-ant: Instructions file for Codex