gccli: Instructions file for Codex

AGENTS.md

gccli AGENTS.md is an instructions file for Codex, OpenCode from bpauli/gccli. It costs 637 tokens per session, scanned A, original, MIT.

Repository instructions for coding agents working on gccli, including required checks and an independent verification step before a pull request is merged. They also define rules for preserving the command-line program's output and behavior.

In plain words
What is it for?
Use them when changing gccli to guide builds, formatting, linting, tests, command-line comparisons, and pull-request verification.
Why use it?
They give contributors a consistent way to test changes and reduce the risk of merging code that breaks existing users or expected output.

Instructions file for CodexOpenCode

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

This is bpauli/gccli's own configuration. It tells Codex and OpenCode how to work on gccli 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 gccli configures →

View source ↗ bpauli/gccli
Reuse

Borrowing it

Nothing to install: this file belongs to bpauli/gccli. 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/bpauli/gccli/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/bpauli/gccli

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 gccli AGENTS.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/bpauli/gccli/agents-md"><img src="https://agentmods.dev/badge/instructions/bpauli/gccli/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 gccli AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/bpauli/gccli/agents-md"><img src="https://agentmods.dev/badge/instructions/bpauli/gccli/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 637 This file is loaded in full into every session.
When invoked 637 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 $0.00637 $0.00637
Opus 5.5 $0.00255 $0.00255
Sonnet 5.5 $0.00127 $0.00127
Haiku 4.5 $0.00064 $0.00064

Measured 14d ago against content hash 3258f83e2bac, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

gccli 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 14d 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 · 25 lines

How it starts

The opening of the file, as written. The whole thing — 25 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Rules for agents that change this repository. Build, style, test and documentation rules are in CLAUDE.md.

Verify every PR before it merges

Each PR gets one independent verifier: an agent that did not write the change. The verdict decides the merge. CI and passing tests do not replace it.

The verifier:

  1. Checks out the exact head SHA in its own worktree, and the base SHA in a second one when it compares behavior.
  2. Runs make tools in each new worktree, then the gate on the head: make fmt-check, make lint, go vet -tags e2e ./... and make test. When the local Go is newer than the go line in go.mod, set GOTOOLCHAIN=go<that version> for make tools and make lint.
  3. Runs the real binary from base and head (go build -o bin/gccli ./cmd/gccli) against a local HTTPS mock, on Linux. Point HTTPS_PROXY and SSL_CERT_FILE at the mock. Set both HOME and XDG_CONFIG_HOME to a temp directory, because gccli reads its config and file keyring from XDG_CONFIG_HOME on Linux, and the real one holds the owner's login. Use GCCLI_KEYRING_BACKEND=file and a token from auth import. For a refactor, stdout, stderr and the exit code must match base byte for byte. For a behavior change, every difference must be one the PR names.
  4. Injects the defect that each new test claims to catch, and confirms the test fails. Runs these tests, like every test run, with HOME and XDG_CONFIG_HOME set to a temp directory, because mutated test code can reach the real config.
  5. Reruns the claims in the PR's Verification section that are cheap to rerun.
  6. Makes live Garmin calls only when the account owner approves them for that PR.
  7. Posts one PR comment that starts with **Independent verification: PASS**, PASS+NOTES or FAIL, and names the head and base SHA it checked.

Merge only on PASS or PASS+NOTES, and only when every CI check on the verified head has passed, the darwin job too. Merge with gh pr merge <n> --merge --match-head-commit <verified head>. When main moved after the verdict, build and test main plus the PR before the merge. A new head needs a new verdict. A FAIL goes back to a fresh fix round and then a fresh verifier.

Read the full file on GitHub · 25 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. 14d ago First seen · 25 lines · 637 tokens per session scan A 3258f83e2bac

Subscribe to this mod's changes

gccli AGENTS.md is an instructions file published in the GitHub repository bpauli/gccli (31 stars, last pushed yesterday), licensed MIT. It adds 637 tokens to every session, about $0.0025 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 2026-10-16.

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