scan

A project-scanning setup step that identifies the repository, branch, programming language, and standard commands for testing, linting, formatting, and building.

In plain words
What is it for?
Use it at the start of a session to load project details and set a consistent project identity across branches.
Why use it?
It gives other coding-agent tools verified context about the project instead of making them guess how the codebase works or which commands to run.

Skill for Claude CodeCodex

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 skills/datit309/supergraph/scan
Any agent
npx skills add datit309/supergraph --skill scan
Clone the repo
git clone --depth 1 https://github.com/datit309/supergraph

Made for: Claude Code, Codex.

Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,062 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00018 $0.01062
Opus 5 $0.00009 $0.00531
Sonnet 5 $0.00004 $0.00212
Haiku 4.5 $0.00002 $0.00106

Measured yesterday against content hash d3998041055b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

scan 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.

plugins/supergraph/skills/scan/SKILL.md · 86 lines

How it starts

The opening of the file, as written. The whole thing — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/supergraph:scan

Load verified, project-scoped graph context once. Follow the shared references/codebase-memory-contract.md.

Announce: "📡 /supergraph:scan — loading project context..."

1. Detect project and branch

Use git branch --show-current, resolve the repository to an absolute path, and run bin/detect-project.sh when present. Otherwise detect commands from:

File Type Test Lint Format Build
package.json node npm test -- npx eslint . npx prettier --write . npm run build
Cargo.toml rust cargo test cargo clippy cargo fmt cargo build
pyproject.toml python pytest ruff check . ruff format . python -m build
go.mod go go test ./... golangci-lint run gofmt -w . go build ./...
pubspec.yaml flutter flutter test flutter analyze dart format . flutter build

Ask when none match; never guess commands. Derive one stable CBM_PROJECT from the repository root name and retain it across branches. Default CBM_INDEX_MODE=moderate.

2. Verify provider and freshness

  1. Call list_projects and find CBM_PROJECT.
  2. If found, call index_status(project=CBM_PROJECT).
  3. Treat missing project, changed branch, stale state, tool error, failed state, or status: "degraded" as requiring a new index.
  4. TTL reuse (10m): If index_status returns status: "ready" and BRANCH matches .supergraph-env:BRANCH and now - CBM_INDEXED_AT < 600s and head_sha unchanged, reuse index — skip index_repository. Otherwise proceed to step 5. TTL check requires healthy index_status; never cache degraded/stale/error. On cache hit, still re-run index_status once to confirm liveness before get_graph_schema.
  5. Call index_repository(repo_path=<absolute repo path>, name=CBM_PROJECT, mode=CBM_INDEX_MODE) when required (cache miss or stale/degraded). Require status: "indexed".
  6. Re-run index_status; never claim reuse without a healthy response.
  7. Call get_graph_schema(project=CBM_PROJECT) and get_architecture(project=CBM_PROJECT, aspects=["overview","layers","boundaries","clusters","hotspots"]) in parallel after verified index_status.
  8. On cache hit, get_graph_schema and get_architecture may run in parallel immediately after TTL-passed index_status.

Read the full file on GitHub · 86 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. yesterday First seen · 86 lines · 18 tokens per session scan A d3998041055b

Subscribe to this mod's changes

scan is a skill published in the GitHub repository datit309/supergraph (21 stars, last pushed 4d ago), licensed MIT. It adds 18 tokens to every session and 1,062 once invoked, about $0.0001 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 2026-08-30.

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