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spc: Instructions file for Claude Code

CLAUDE.md

spc CLAUDE.md is an instructions file for Claude Code from putervision/spc. It costs 1,755 tokens per session, scanned B, a copy of state-memory-mcp copilot-instructions.md, MIT.

Project instructions for spc that require tracking work, decisions, dependencies, and blockers in a state-memory graph.

In plain words
What is it for?
Use it to start tracked sessions, find the next task and blockers, record decisions, and trace what depends on a task.
Why use it?
It helps keep project progress and reasoning visible across sessions instead of relying only on the current conversation.

Instructions file for Claude Code

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

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

not rated 20repo +3 2mo ago B scan 1,755 tokens copy · 94% MIT
View source ↗ putervision/spc spaceproofcode.com
Reuse

Borrowing it

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

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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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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<a href="https://agentmods.dev/instructions/putervision/spc/claude-md"><img src="https://agentmods.dev/badge/instructions/putervision/spc/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,755 This file is loaded in full into every session.
When invoked 1,755 The same file — it is already loaded in full.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 94% copy Near-identical to another mod 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 $0.01755 $0.01755
Opus 5.5 $0.00702 $0.00702
Sonnet 5.5 $0.00351 $0.00351
Haiku 4.5 $0.00176 $0.00176

Measured 2mo ago against content hash 94614c966b2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

spc CLAUDE.md scanned grade B with 1 finding 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 2mo 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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

* **Google Antigravity (`~/.gemini/config/config.json`)**: Add these rules to your `"globalPermissionGrants"` -> `"allow"` list:
Origin

This is a copy

94% identical to state-memory-mcp copilot-instructions.md — 979 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.

CLAUDE.md · 77 lines

How it starts

The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.

State Memory (state-memory-mcp)

This project tracks workflow state, tasks, design decisions, and blockers using state-memory-mcp with project slug "spc".

1. Priority Order

Before doing any coding or investigation:

  1. manage_sessions(action: "start") — Start a tracking session for full change attribution.
  2. get_analytics(action: "summary") — Run to understand current project state, active branches, and overall progress.
  3. manage_tasks(action: "next") — Query prioritized runnable tasks.
  4. manage_tasks(action: "find_blockers") — Identify any active blockers preventing progress.
  5. manage_nodes(action: "list") — Find pending tasks, past decisions, or milestones.
  6. query_graph(action: "trace") — Trace what depends on or blocks a task.

2. When to Write to the Graph

You MUST update the graph as you work:

  • Starting a session: Always call manage_sessions(action: "start", agent_id: "my-agent") to track all mutations under a unique session.
  • Starting a new task: Create a node with manage_nodes(action: "create", type: "task", title: "...", session_id: session_id).
  • Making a design or implementation decision: Document it with manage_nodes(action: "create", type: "decision", title: "...", metadata: { "rationale": "..." }, session_id: session_id).
  • Encountering a blocker: Record the blocker with manage_nodes(action: "create", type: "blocker", title: "...", session_id: session_id) and connect it using manage_edges(action: "add", type: "blocks", source_id: blocker_id, target_id: task_id, session_id: session_id).
  • Adding observation notes: Atomically log notes using manage_nodes(action: "add_note", text: "...", attach_to: node_id).
  • Batch updates: Bulk update tasks/nodes using manage_nodes(action: "batch_update", ids: ["..."], status: "done").
  • Completing a task: Update status to done using manage_tasks(action: "complete", task_id: task_id) or manage_nodes(action: "update", id: task_id, status: "done").
  • Creating/generating a new file: Create an artifact node with manage_nodes(action: "create", type: "artifact", title: "...", session_id: session_id) and connect it using manage_edges(action: "add", type: "produces", source_id: task_id, target_id: artifact_id).

Read the full file on GitHub · 77 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. 2mo ago First seen · 77 lines · 1,755 tokens per session scan B 94614c966b2c

Subscribe to this mod's changes

spc CLAUDE.md is an instructions file published in the GitHub repository putervision/spc (20 stars, last pushed 2mo ago), licensed MIT. It adds 1,755 tokens to every session, about $0.0070 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). It is 94% identical to state-memory-mcp copilot-instructions.md, differing in 979 lines, and is treated as a copy.

Memory and contextnasasafety-criticalspacespace-proof-codespaceproofcodestatic-analysis
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