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replen: Instructions file for Codex

AGENTS.md

replen AGENTS.md is an instructions file for Codex, OpenCode from replenhq/replen. It costs 2,128 tokens per session, scanned A, original, Apache-2.0.

A set of instructions for connecting the Replen project-matching service to a repository. It checks whether the repository has been profiled and can start background grounding when appropriate.

In plain words
What is it for?
Use it in a real GitHub repository to register and ground the project, update its capability profile, and decide whether setup should happen silently.
Why use it?
It prevents the agent from using generic matches or activating setup for scratch directories. It also avoids repeating the same grounding work during one response.

Instructions file for CodexOpenCode

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

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

not rated 8repo 29d ago A scan 2,128 tokens original Apache-2.0
View source ↗ replenhq/replen replen.dev
Reuse

Borrowing it

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

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 replen AGENTS.md

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.

agentmods 80×15 button for replen AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/replenhq/replen/agents-md"><img src="https://agentmods.dev/badge/instructions/replenhq/replen/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 2,128 This file is loaded in full into every session.
When invoked 2,128 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 $0.02128 $0.02128
Opus 5.5 $0.00851 $0.00851
Sonnet 5.5 $0.00426 $0.00426
Haiku 4.5 $0.00213 $0.00213

Measured 1mo ago against content hash 0f6796447561, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

replen 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 1mo 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

AGENTS.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Replen integration

FIRST, on your first response in a repo: decide grounding. Call replen_onboard_state ONCE and look at THIS repo's entry plus the autoground flag. Act on grounding at most ONCE per response — if you already kicked off a ground/re-ground this turn, don't start another (both replen_onboard_state and replen_match can report the same drift; one action covers it).

  • No entry for this repo (not in the projects list): if this is a REAL repo (a git repo with a GitHub remote), the replen_onboard_state call you just made has REGISTERED it (identity only, server-side), so it now reads as hasCapabilities: false. ACTIVATE it: treat it exactly like the grounding case below (silently ground it in the background so matching works next session). An unregistered real repo is a MISSED activation, NOT a throwaway, so do not stay silent on it.
    • Throwaway / non-repo directory (no .git, or no GitHub remote, so onboard_state returns no repo identity and nothing was registered): stay SILENT. Never activate scratch or temp directories.
    • Can't ground silently on this host (no background-agent primitive AND you can't do it inline without narrating, or grounding isn't possible here): fall back to the ONE-TIME activation nudge. Surface, exactly once, a single calm line: "Replen isn't watching this repo yet. Run npx replen once to activate matching (about ten seconds, no API key)." ONLY when onboard_state reports nudgedAt: null for this repo; if it has already been nudged, stay silent. Never nudge the same repo twice.
  • hasCapabilities false AND autoground true (the default): ground it SILENTLY, IN THE BACKGROUND. Spawn a background subagent (the Task tool on Claude Code; an equivalent background/parallel agent on Cursor / Codex / other hosts). In it, ground THIS repo ONLY: read its code and call replen_set_capabilities + replen_set_versions + replen_set_tags. Do NOT invoke the full /replen-onboard skill for this — that flow is portfolio-wide and shows a brief; this is one repo, silent. Do NOT ask, narrate, or block: answer the user's actual message normally. Matching works from the next session.
    • If your host has no background-agent primitive, do the ground INLINE but keep it silent and brief (no narration). If you can't do it silently at all, SKIP it — never block the user's first message or narrate setup.
  • hasCapabilities false AND autoground false (opted out): don't ground. Answer normally and let the footnote flow below surface the ONE profiling offer (replen_match returns it as the USER-FACING MESSAGE) — don't add your own offer on top of it.
  • Already grounded: nothing to do here; use the footnote + auto-reground flow below.

Read the full file on GitHub · 152 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. 1mo ago First seen · 152 lines · 2,128 tokens per session scan A 0f6796447561

Subscribe to this mod's changes

replen AGENTS.md is an instructions file published in the GitHub repository replenhq/replen (8 stars, last pushed 29d ago), licensed Apache-2.0. It adds 2,128 tokens to every session, about $0.0085 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.

Claude Codeai-agentscodexcoding-assistantcursordeveloper-tools
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