Borrowing it
Nothing to install: this file belongs to shawn-durrani/spendglass. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/shawn-durrani/spendglass/main/CLAUDE.mdgit clone --depth 1 https://github.com/shawn-durrani/spendglassWrote 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.
[](https://agentmods.dev/instructions/shawn-durrani/spendglass/claude-md)<a href="https://agentmods.dev/instructions/shawn-durrani/spendglass/claude-md"><img src="https://agentmods.dev/badge/instructions/shawn-durrani/spendglass/claude-md/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.
<a href="https://agentmods.dev/instructions/shawn-durrani/spendglass/claude-md"><img src="https://agentmods.dev/badge/instructions/shawn-durrani/spendglass/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00492 | $0.00492 |
| Opus 5 | $0.00246 | $0.00246 |
| Sonnet 5 | $0.00098 | $0.00098 |
| Haiku 4.5 | $0.00049 | $0.00049 |
Grade A, and why
spendglass CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 46 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
Instructions for AI sessions working in this repository.
Process
The pipeline is documented once, in CONTRIBUTING.md. Session-specific rules, for a session with write access working for the maintainer:
- Merge your own PRs once CI is green; don't wait for human approval. The maintainer comments asynchronously. External contributors: the maintainer merges yours.
- Never commit directly to
main, and never branch off another open PR. - Restart the supervised service only with
launchctl kickstart -k gui/$(id -u)/dev.spendglass.server.
Rules that override convenience
data/holds real bank transactions. Never read, copy or quote its contents into code, tests, docs, commits or chat. Debug with a disposableSPENDGLASS_DB. Real merchant names and amounts are personal data, and so are account nicknames.- No real personal data in any diff. The fleet synthetic roster: people Alex,
Sam, Dave, Mateo; place Fairhaven; companies AcmeCo, Initech, Globex; banks
and accounts
Example Bank,acc-1.tests/conftest.pyshows the house style. - Nothing may add a write path. The Redbark client implements only GET, and the MCP tool surface is read-only with the exact tool list pinned by a test. Both are deliberate; widening either is a reviewed decision, not a refactor.
- The suite stays keyless. Every deterministic feature runs with no model configured, and CI runs without credentials to keep it that way.
- No investment-advice derivation. The API can serve holdings and trades and the store syncs them, but no analytics are derived from them, because recommendations about a portfolio are regulated financial advice. See ARCHITECTURE.md.
- Money arithmetic happens in SQL over integer cents. Neither floating-point arithmetic nor a language model ever computes an amount.
Orientation
Read ARCHITECTURE.md, then browse docs/README.md, which indexes every document by what you are trying to do. Open issues hold the active work.
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.
- 12d ago First seen · 46 lines · 492 tokens per session scan A f59d1b5f580b
spendglass CLAUDE.md is an instructions file published in the GitHub repository shawn-durrani/spendglass (2 stars, last pushed 5d ago), licensed MIT. It adds 492 tokens to every session, about $0.0025 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.
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