graph-atlas-mcp: Instructions file for Claude Code

CLAUDE.md

graph-atlas-mcp CLAUDE.md is an instructions file for Claude Code from darrenjrobinson/graph-atlas-mcp. It costs 1,412 tokens per session, scanned A, original, MIT.

A set of Claude Code instructions for the Graph Atlas MCP project, covering repository work, pull requests, commits, and separate data and server release channels.

In plain words
What is it for?
Use it when changing the project, preparing commits or pull requests, resolving the correct data release, or publishing the server package.
Why use it?
It prevents release mistakes, such as confusing database snapshot releases with npm server releases, and defines how changes should move through review.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is darrenjrobinson/graph-atlas-mcp's own configuration. It tells Claude Code how to work on graph-atlas-mcp 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 graph-atlas-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to darrenjrobinson/graph-atlas-mcp. 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/darrenjrobinson/graph-atlas-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/darrenjrobinson/graph-atlas-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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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.

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Per session 1,412 This file is loaded in full into every session.
When invoked 1,412 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 $0.01412 $0.01412
Opus 5.5 $0.00565 $0.00565
Sonnet 5.5 $0.00282 $0.00282
Haiku 4.5 $0.00141 $0.00141

Measured 15d ago against content hash ea1c7e0dc418, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

graph-atlas-mcp CLAUDE.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 15d 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.

CLAUDE.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Working in this repo

Commits and PRs

  • Never add Co-Authored-By: trailers to commit messages, and never add "Generated with …" attribution lines to PR descriptions. Commit messages end at the last body paragraph.
  • Branch for changes and open a PR; main is merged through review.

Two release channels — do not conflate them

This repo publishes on two independent channels, and confusing them has already caused one production incident:

Channel Tag format Carries Created by
Data — snapshot database v2026.08.11 (calendar) graph-atlas.db.gz asset collect.yml → scripts/create-release.js, daily when changes are detected
Server — npm package v0.3.1 (semver) no assets publish.yml, manually dispatched

Never use GitHub's /releases/latest (or a bare gh release download) to find the database. That endpoint returns whichever release published most recently, which is a semver server release whenever an npm publish lands after that day's data release — and those carry no database asset. Resolve the newest calendar-tagged release explicitly:

  • TypeScript: fetchLatestDataRelease() in src/github-releases.ts
  • Workflows: gh release list --json tagName --jq filtered on ^v[0-9]{4}\.[0-9]{2}\.[0-9]{2}$

Failing to restore an existing database is not the same as "no database exists yet". scripts/collect-and-diff.js reads its diff baseline from the committed snapshots/ directory, not from the database, so a run that starts from an empty database still detects changes and publishes them — releasing a database stripped of all history, permissions, roles and embeddings over a good one. Fail loudly rather than starting fresh.

This is not hypothetical: every data release from v2026.08.11 to v2026.10.22 shipped that way, and nothing noticed for ten weeks because the daily workflow never collects permissions or roles — it only carries them forward through each restore, so once lost they stay lost. v2026.10.22's asset was replaced with a repaired database on 2026-10-22. scripts/check-db.js now guards both ends: collect.yml runs it on the restored database, and create-release.js refuses to publish when permissions, roles, the role map or pre-today change history are missing.

Read the full file on GitHub · 83 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. 15d ago Changed · +7 lines · +129 tokens per session ea1c7e0dc418
  2. 2mo ago First seen · 76 lines · 1,283 tokens per session scan A 08423c248698

Subscribe to this mod's changes

graph-atlas-mcp CLAUDE.md is an instructions file published in the GitHub repository darrenjrobinson/graph-atlas-mcp (1 stars, last pushed yesterday), licensed MIT. It adds 1,412 tokens to every session, about $0.0056 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.

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