kolea: Instructions file for Claude Code

CLAUDE.md

kolea CLAUDE.md is an instructions file for Claude Code from robconery/kolea. It costs 1,838 tokens per session, scanned A, original, MIT.

A Claude Code instruction set for Kōlea, a self-hosted email system for broadcasts, transactional messages, and drip sequences.

In plain words
What is it for?
Working safely on Kōlea's email features, Cloudflare Worker infrastructure, documentation, tests, and deployment-related code.
Why use it?
It gives the agent the project's architecture, documentation rules, production-resource warnings, and development conventions.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md.

This is robconery/kolea's own configuration. It tells Claude Code how to work on kolea 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 kolea configures →

Reuse

Borrowing it

Nothing to install: this file belongs to robconery/kolea. 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/robconery/kolea/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/robconery/kolea

Made for: Claude Code.

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.

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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 1,838 This file is loaded in full into every session.
When invoked 1,838 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 $0.01838 $0.01838
Opus 5.5 $0.00735 $0.00735
Sonnet 5.5 $0.00368 $0.00368
Haiku 4.5 $0.00184 $0.00184

Measured 1mo ago against content hash 25b2d2116232, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

kolea 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 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.

CLAUDE.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

🐦 Kōlea

Self-hosted email — broadcasts, transactional sends, and drip sequences in one Cloudflare Worker, replacing a paid ESP so the list and engagement data stay owned.

Named for the Pacific golden plover: three thousand miles of open ocean, nonstop, and it lands in the same yard every year. Delivery, and the same address, every time.

Single operator. Not multi-tenant, no visual builder, no self-run SMTP. See docs/PROJECT.md.

Domain: email marketing / transactional email.

Cloudflare resources (Worker, D1, queues) are still named big-mailer. That is deliberate — they are bound to live production data. Kōlea is the brand, big-mailer is the infrastructure. Don't "fix" the mismatch without a cutover plan.

📚 Docs — read before you write

docs/ is the reference set. One doc, one owner. Never write a doc you don't own.

Doc What's in it Read it when Owner
docs/ARCHITECTURE.md ⭐ The agent's reference. Invariants, system shape, code map, data model, lifecycles, MCP surface, platform limits, recipes, traps. Before changing any code. Start here. /design
docs/SPEC.md Numbered, testable behavioral requirements. The reference for intended behavior. Before changing behavior. Code disagreeing with SPEC is a bug report, not a licence to edit SPEC. /design
docs/INSTALL.md Local setup, full production deploy, integrations, troubleshooting. Setup, deploy, or config questions. /document
docs/PROJECT.md The problem, who it's for, what's explicitly out of scope. Before proposing a feature. /explore
docs/PLAN.md What's built, what's verified, what isn't. Picking up work. /plan
docs/STORIES.md Backlog. Currently thin — the build went SPEC → code. /plan runs. /plan
README.md The public front door. Changing the pitch or the install steps. /document
CLAUDE.md This file. /init runs. /init

src/db/schema.ts is the truth about the data. It carries dense comments explaining why each column is shaped the way it is. Read it in full before any data change — several shapes in there look wrong and are load-bearing.

Read the full file on GitHub · 126 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 Changed · +4 lines · +97 tokens per session 25b2d2116232
  2. 1mo ago Changed · -1 lines · -53 tokens per session b562d2f40f67
  3. 2mo ago First seen · 123 lines · 1,794 tokens per session scan A 647f2de09b5f

Subscribe to this mod's changes

kolea CLAUDE.md is an instructions file published in the GitHub repository robconery/kolea (11 stars, last pushed 28d ago), licensed MIT. It adds 1,838 tokens to every session, about $0.0074 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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