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ap-query: Instructions file for Codex

AGENTS.md

ap-query AGENTS.md is an instructions file for Codex, OpenCode from jerrinot/ap-query. It costs 835 tokens per session, scanned A, original, Apache-2.0.

Project instructions for ap-query, a Go command-line tool for analysing async-profiler recordings, which are files showing where a program spends time.

In plain words
What is it for?
Use them when changing ap-query, running its tests, inspecting profiling fixtures, or adding commands for analysing recordings.
Why use it?
They keep agent output concise and explain the repository layout and commands needed to build and test the tool.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is jerrinot/ap-query's own configuration. It tells Codex and OpenCode how to work on ap-query 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 ap-query configures →

not rated 10repo 1mo ago A scan 835 tokens original Apache-2.0
View source ↗ jerrinot/ap-query
Reuse

Borrowing it

Nothing to install: this file belongs to jerrinot/ap-query. 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/jerrinot/ap-query/master/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/jerrinot/ap-query

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.

agentmods badge for ap-query AGENTS.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/jerrinot/ap-query/agents-md"><img src="https://agentmods.dev/badge/instructions/jerrinot/ap-query/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.

agentmods 80×15 button for ap-query AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/jerrinot/ap-query/agents-md"><img src="https://agentmods.dev/badge/instructions/jerrinot/ap-query/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 835 This file is loaded in full into every session.
When invoked 835 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 $0.00835 $0.00835
Opus 5.5 $0.00334 $0.00334
Sonnet 5.5 $0.00167 $0.00167
Haiku 4.5 $0.00084 $0.00084

Measured 2mo ago against content hash 1dd3c0f61aac, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ap-query 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 2mo 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 · 54 lines

How it starts

The opening of the file, as written. The whole thing — 54 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Repository Guidelines

Project Purpose & Agent Output

  • ap-query is built for LLM agents analyzing async-profiler recordings.
  • Keep outputs compact and directly actionable to avoid wasting tokens.
  • Use concise plain text in terminal workflows.
  • Never use JSON for agent-facing guidance, examples, or command output formatting in this repository.
  • Plain text is required because LLM agents parse it well and it is more concise.

Project Structure & Module Organization

  • The repository is a single Go CLI module (go.mod) with command dispatch in main.go.
  • Commands are split into root-level files like hot.go, tree.go, diff.go, events.go, and init.go.
  • Tests live primarily in main_test.go; profiling fixtures are in testdata/ (*.jfr, *.jfr.gz).
  • Fixture generation utilities are under testdata/gen/ (generate.sh, Workload.java).
  • CI and release automation are defined in .github/workflows/ and .goreleaser.yml.

Build, Test, and Development Commands

  • go build -o ap-query . builds the local binary.
  • go test -v ./... runs the full test suite.
  • go test -run TestName -v runs a targeted test while iterating.
  • echo "A;B;C 10" | ./ap-query hot - runs a quick smoke check for collapsed-stack input.
  • ./testdata/gen/generate.sh /path/to/libasyncProfiler.so regenerates JFR fixtures (Java 17+ and async-profiler required).

Code Quality

  • Never apply hacks, workarounds, or dirty fixes. Find and fix the root cause.
  • If something is a bug, treat it as a bug regardless of how unlikely it is.
  • Don't be lazy or sloppy. There is no deadline — take all the time and tokens needed for a proper solution.
  • During reviews, act on dead code, unreachable branches, stale comments, and unused imports — don't just note them. Tidy up even when it's not a functional bug.

Coding Style & Naming Conventions

  • Follow idiomatic Go formatting and structure; run gofmt before committing.
  • Use tabs/standard Go formatting and keep functions small and command-focused.
  • Keep file names lowercase and command-oriented (callers.go, lines.go, filter.go).
  • Prefer clear lowerCamelCase helper names and concise error messages.

Read the full file on GitHub · 54 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. 2mo ago First seen · 54 lines · 835 tokens per session scan A 1dd3c0f61aac

Subscribe to this mod's changes

ap-query AGENTS.md is an instructions file published in the GitHub repository jerrinot/ap-query (10 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 835 tokens to every session, about $0.0033 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 2026-08-31.

Javaagent-skillsperformanceprofiling
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