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emacs-mcp-server: Instructions file for Claude Code

CLAUDE.md

emacs-mcp-server CLAUDE.md is an instructions file for Claude Code from rhblind/emacs-mcp-server. It costs 4,084 tokens per session, scanned B, original, GPL-3.0.

An instruction file for Claude Code, a coding assistant, in the rhblind/emacs-mcp-server repository. It covers the repository, code generation, Emacs Lisp conventions, and naming rules.

In plain words
What is it for?
It is for guiding code changes, explaining the repository, and keeping Emacs Lisp code and names consistent.
Why use it?
It gives the assistant project-specific rules so generated code fits the repository’s structure and style.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is rhblind/emacs-mcp-server's own configuration. It tells Claude Code how to work on emacs-mcp-server 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 emacs-mcp-server configures →

not rated 118repo 6mo ago B scan 4,084 tokens GPL-3.0
View source ↗ rhblind/emacs-mcp-server
Reuse

Borrowing it

Nothing to install: this file belongs to rhblind/emacs-mcp-server. 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/rhblind/emacs-mcp-server/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/rhblind/emacs-mcp-server

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.

agentmods badge for emacs-mcp-server CLAUDE.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/rhblind/emacs-mcp-server/claude-md"><img src="https://agentmods.dev/badge/instructions/rhblind/emacs-mcp-server/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.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/rhblind/emacs-mcp-server/claude-md"><img src="https://agentmods.dev/badge/instructions/rhblind/emacs-mcp-server/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 4,084 This file is loaded in full into every session.
When invoked 4,084 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 unknown 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 $0.04084 $0.04084
Opus 5.5 $0.01634 $0.01634
Sonnet 5.5 $0.00817 $0.00817
Haiku 4.5 $0.00408 $0.00408

Measured 2mo ago against content hash 75165edc20e3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

emacs-mcp-server 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.

Unrestricted tool accessmediumExcessive agency

A wildcard tool grant or "run any command" leaves no least-privilege boundary at all.

;; Re-enable all tools
CLAUDE.md · 509 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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 · 509 lines · 4,084 tokens per session scan B 75165edc20e3

Subscribe to this mod's changes

emacs-mcp-server CLAUDE.md is an instructions file published in the GitHub repository rhblind/emacs-mcp-server (118 stars, last pushed 6mo ago), licensed GPL-3.0. It adds 4,084 tokens to every session, about $0.0163 per session on Opus 5.5. A static security scan graded it B with 1 finding (unrestricted tool access). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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