Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add instructions/matematicsolutions/mcp-nsa/claude-mdgit clone --depth 1 https://github.com/matematicsolutions/mcp-nsaWrote 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/matematicsolutions/mcp-nsa/claude-md)<a href="https://agentmods.dev/instructions/matematicsolutions/mcp-nsa/claude-md"><img src="https://agentmods.dev/badge/instructions/matematicsolutions/mcp-nsa/claude-md.svg" alt="Measured on agentmods" 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 | $0.00070 | $0.00070 |
| Opus 5 | $0.00035 | $0.00035 |
| Sonnet 5 | $0.00014 | $0.00014 |
| Haiku 4.5 | $0.00007 | $0.00007 |
Grade A, and why
mcp-nsa 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 5d 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
84% identical to mcp-saos CLAUDE.md — 2 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.
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.
- 5d ago First seen · 6 lines · 70 tokens per session scan A e37507fad03e
mcp-nsa CLAUDE.md is an instructions file published in the GitHub repository matematicsolutions/mcp-nsa (0 stars, last pushed 26d ago), licensed MIT. It adds 70 tokens to every session, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 84% identical to mcp-saos CLAUDE.md, differing in 2 lines, and is treated as a copy.
Other instructions, from other repositories
mcp-saos CLAUDE.md
Instructions for matematicsolutions/mcp-saos: This file exists for compatibility with Claude Code. The canonical instructions for AI agents working with this repo live in AGENTS.md - the agents.md standard (Linux Foundation / Agentic AI Foundation), supported by 20+ tools.
mcp-saos AGENTS.md
Instructions for matematicsolutions/mcp-saos, covering agents.md - mcp-saos, project goal, matematic context (hard constraints), mcp tools (tools contract) and build and test.
rizzo-pii CLAUDE.md
Instructions for Rizzo-AI-Academy/rizzo-pii, covering claude.md, cos'è questo progetto, ambiente — vincoli critici e non ovvi, mappa della repo and tassonomia: 22 tag (dettaglio in tassonomiatag.md).
mcp-krs AGENTS.md
AGENTS.md instructions for matematicsolutions/mcp-krs, covering agents.md - mcp-krs, project goal, matematic context (hard constraints), mcp tools (tools contract) and build and test.
mcp-legal-it CLAUDE.md
Instructions for capazme/mcp-legal-it, covering mcp-legal-it — project context, confini del progetto — leggere prima, stack, struttura and tool disponibili (33 moduli, 221 tool).
contract-ops-mcp AGENTS.md
AGENTS.md instructions for DrBaher/contract-ops-mcp, covering agents, discovery, output contract, safety boundaries (important) and typical loop.