caddis-plugin plan-mode.instructions.md

A planning rule for coding work that requires the agent to study the request and write a plan before changing code. Implementation waits until the plan is approved.

In plain words
What is it for?
It is for breaking down requirements, outlining implementation steps, and reviewing the proposed plan before development.
Why use it?
It helps prevent premature edits and gives you a chance to correct the approach before coding starts.

Instructions file for GitHub Copilot

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add instructions/saajunaid/caddis-plugin/plan-mode
Clone the repo
git clone --depth 1 https://github.com/saajunaid/caddis-plugin

Made for: GitHub Copilot.

Per session 1,297 This file is loaded in full into every session.
When invoked 1,297 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.01297 $0.01297
Opus 5 $0.00648 $0.00648
Sonnet 5 $0.00259 $0.00259
Haiku 4.5 $0.00130 $0.00130

Measured yesterday against content hash 24a2d05927a5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

caddis-plugin plan-mode.instructions.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 yesterday.

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.

.github/instructions/plan-mode.instructions.md · 203 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. yesterday First seen · 203 lines · 1,297 tokens per session scan A 24a2d05927a5

Subscribe to this mod's changes

caddis-plugin plan-mode.instructions.md is an instructions file published in the GitHub repository saajunaid/caddis-plugin (0 stars, last pushed 4d ago), with no licence file. It adds 1,297 tokens to every session, about $0.0065 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 2026-08-31.