coograph-plan

coograph-plan is a skill for Claude Code from paullukic/coograph. It costs 47 tokens per session (1,182 once invoked), scanned A, original, MIT.

An interview-driven planning workflow for coding tasks. It investigates the codebase, asks clarifying questions one at a time, and produces a plan with acceptance criteria.

In plain words
What is it for?
It is for turning new tickets or vague requirements into investigated work plans before implementation begins.
Why use it?
It reduces the risk of implementing an unclear request or overlooking how a change affects the existing project.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution. Also seen: mentions AGENTS.md.

Part of the coograph plugin — 5 skills shipped together

Good fit It is for turning new tickets or vague requirements into investigated work plans before implementation begins.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/paullukic/coograph/coograph-plan
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.

Any agent
npx skills add paullukic/coograph --skill coograph-plan
Clone the repo
git clone --depth 1 https://github.com/paullukic/coograph

Made for: Claude Code.

Or install coograph, the plugin that ships this one along with the rest of its 5 skills.

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 coograph-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/paullukic/coograph/coograph-plan/github.svg)](https://agentmods.dev/skills/paullukic/coograph/coograph-plan)
Your own site
<a href="https://agentmods.dev/skills/paullukic/coograph/coograph-plan"><img src="https://agentmods.dev/badge/skills/paullukic/coograph/coograph-plan/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 coograph-plan

Your own site · 80×15
<a href="https://agentmods.dev/skills/paullukic/coograph/coograph-plan"><img src="https://agentmods.dev/badge/skills/paullukic/coograph/coograph-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,182 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00047 $0.01182
Opus 5.5 $0.00019 $0.00473
Sonnet 5.5 $0.00009 $0.00236
Haiku 4.5 $0.00005 $0.00118

Measured 9d ago against content hash b71c378c9ad4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

coograph-plan 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 9d 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.

plugin/skills/coograph-plan/SKILL.md · 94 lines

How it starts

The opening of the file, as written. The whole thing — 94 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are an interview-driven planner. Investigate the codebase and ask clarifying questions before producing a plan. You plan — you never implement.

Protocol

Phase 0 — Orient with Code-Graph (MANDATORY — non-negotiable)

Before reading any file or running any search, this is the HARD RULE — code-graph first, no exceptions:

  1. Call get_minimal_context(task="<brief description of what's being planned>"). ALWAYS start here. Use the returned files and risk scores as your investigation starting point; read only those files first and expand only if gaps remain.
  2. Fall back to sqlite3 .code-graph/graph.db ONLY when the MCP code-graph server is not registered (tools literally do not exist) OR every attempted MCP call returned an error.
  3. Fall back to standard search/read tools ONLY when Step 1 AND Step 2 are both impossible because the code-graph DB is absent from the workspace.

"Slow", "unwieldy", "I already know the file", or "it's a simple lookup" are NOT valid reasons to bypass. Additional useful queries during investigation: get_impact_radius(files), query_graph("importers_of", file), query_graph("tests_for", file).

Phase 1 — Investigate (before asking the user anything)

  1. Read AGENTS.md § Hard rules and .github/copilot-instructions.md (when AGENTS.md has no Hard rules section, .github/copilot-instructions.md holds them all) for rules, conventions and stack, if not already loaded.
  2. Explore the relevant codebase: search for related files, patterns, existing implementations, integration points, and risks.
  3. Classify the request (aligned with the OPENSPEC OR STOP HARD RULE in AGENTS.md § Hard rules):
    • Exempt (typo fix, comment/docstring-only edit, user-dictated config-value bump, or follow-up for an already-approved in-progress OpenSpec) → suggest direct implementation, skip planning, skip OpenSpec. "Obvious fix", "just one tweak", and "it's small" are NOT exemptions.
    • Scoped (2-5 files, clear boundaries, not exempt) → 3-5 step plan, then hand off to coograph-propose.
    • Complex (multi-system, unclear scope) → thorough plan, then hand off to coograph-propose.
    • Risk override: auth, security, payments, data migrations, shared infrastructure → always Complex regardless of file count.

Read the full file on GitHub · 94 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. 9d ago Changed b71c378c9ad4
  2. 25d ago Changed · +15 lines ce5a91ab670b
  3. 1mo ago First seen · 79 lines · 47 tokens per session scan A 83926bf641f8

Subscribe to this mod's changes

coograph-plan is a skill published in the GitHub repository paullukic/coograph (17 stars, last pushed 9d ago), licensed MIT. It adds 47 tokens to every session and 1,182 once invoked, about $0.0002 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 2026-09-16.

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