Borrowing it
Nothing to install: this file belongs to notactuallytreyanastasio/deciduous. 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/notactuallytreyanastasio/deciduous/main/CLAUDE.mdgit clone --depth 1 https://github.com/notactuallytreyanastasio/deciduousWrote 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/notactuallytreyanastasio/deciduous/claude-md)<a href="https://agentmods.dev/instructions/notactuallytreyanastasio/deciduous/claude-md"><img src="https://agentmods.dev/badge/instructions/notactuallytreyanastasio/deciduous/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/notactuallytreyanastasio/deciduous/claude-md"><img src="https://agentmods.dev/badge/instructions/notactuallytreyanastasio/deciduous/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 | $0.08443 | $0.08443 |
| Opus 5.5 | $0.03377 | $0.03377 |
| Sonnet 5.5 | $0.01689 | $0.01689 |
| Haiku 4.5 | $0.00844 | $0.00844 |
Grade A, and why
deciduous 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 13d 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.
This is a copy
95% identical to deciduous AGENTS.md — 334 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 807 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Deciduous - Decision Graph Tooling
Decision graph tooling for AI-assisted development. Track every goal, decision, and outcome. Survive context loss. Query your reasoning.
The Two Modes
Every system has two stories:
| Mode | Question | Skill |
|---|---|---|
| Now | "How does this work?" | /pulse |
| History | "How did we get here?" | /narratives → /archaeology |
Now mode maps current design as decisions. History mode captures evolution and pivots.
Skills Overview
/pulse - Map Current Design
Take the pulse of a system - what decisions define how it works TODAY.
# Start with a goal
deciduous add goal "API rate limiting behavior" -c 90
# Map options (possible approaches from the goal)
deciduous add option "Identify users by auth token" -c 85
deciduous link 1 2 -r "possible_approach"
deciduous add option "Use IP-based rate limiting" -c 85
deciduous link 1 3 -r "possible_approach"
Output: Decision tree of the current model (goal -> options -> decisions).
/narratives - Understand Evolution
Understand how the system evolved. Narratives are conceptual, not tied to commits.
- Look at the current system
- Ask "how did this get this way?"
- Infer narratives from the design
- Find evidence (commits, PRs, docs)
- Identify pivots - where the model changed
Output: .deciduous/narratives.md with evolution stories.
/archaeology - Structure for Query
Transform narratives into a queryable graph.
| Narrative Element | Graph Node |
|---|---|
| Title | goal |
| Possible approach | option |
| Choosing an approach | decision |
| What was learned | observation |
| PIVOT | revisit |
Output: Connected graph with Now ← revisit ← History.
Slash Commands
All slash commands are bootstrapped by deciduous init and updated by deciduous update.
| Command | Purpose |
|---|---|
/decision |
Manage decision graph - add nodes, link edges, sync |
/recover |
Recover context from decision graph on session start |
/work |
Start a work transaction - creates goal node before implementation |
/document |
Generate comprehensive documentation for a file or directory |
/build-test |
Build the project and run the test suite |
/serve-ui |
Start the decision graph web viewer |
/decision-graph |
Build a decision graph from commit history (archaeology) |
/sync |
Multi-user sync - pull events, rebuild, push |
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.
- 13d ago Changed · -73 lines · +771 tokens per session a8749349356f
- 1mo ago Changed · +16 lines · +405 tokens per session e4c3bd3c6a51
- 1mo ago Changed · -20 lines · -140 tokens per session fe8cb4310c65
- 1mo ago Changed · +40 tokens per session b726fd8a5911
- 2mo ago Changed · -37 lines · +14 tokens per session 2859ea33f5a6
- 2mo ago First seen · 921 lines · 7,353 tokens per session scan A 4a19498dab25
deciduous CLAUDE.md is an instructions file published in the GitHub repository notactuallytreyanastasio/deciduous (169 stars, last pushed 13d ago), licensed Apache-2.0. It adds 8,443 tokens to every session, about $0.0338 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 95% identical to deciduous AGENTS.md, differing in 334 lines, and is treated as a copy.
deciduous CLAUDE.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| deciduous CLAUDE.mdnotactuallytreyanastasio/deciduous | Instructions file | 169 | 13d ago | Apache-2.0 | A | 8,443 | Claude Code |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | yesterday | MIT | A | 4,680 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 5,516 | GitHub Copilot |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |