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everything-mcp: Instructions file for Claude Code

CLAUDE.md

everything-mcp CLAUDE.md is an instructions file for Claude Code from danielsimonjr/everything-mcp. It costs 523 tokens per session, scanned A, original, MIT.

Repository instructions for an MCP server that lets AI agents search files and folders on Windows using the Everything search tool.

In plain words
What is it for?
Use them when developing or changing the server, its file search tool, or its file-information tool.
Why use it?
They explain the project structure, required Windows dependency, available tools, and local development commands.

Instructions file for Claude Code

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

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

not rated 12repo changed yesterday A scan 523 tokens original MIT
View source ↗ danielsimonjr/everything-mcp
Reuse

Borrowing it

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

Made for: Claude Code.

Wrote this? Show the measurements

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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/danielsimonjr/everything-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/danielsimonjr/everything-mcp/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 523 This file is loaded in full into every session.
When invoked 523 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original 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 $0.00523 $0.00523
Opus 5 $0.00262 $0.00262
Sonnet 5 $0.00105 $0.00105
Haiku 4.5 $0.00052 $0.00052

Measured yesterday against content hash 351a58cdda02, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

everything-mcp 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 yesterday.

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.

CLAUDE.md · 53 lines

What it actually says

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Overview

MCP server for Everything, the blazing-fast Windows file search engine. Provides instant file/folder search through MCP by wrapping the es.exe command-line interface.

Platform: Windows only
Runtime: TypeScript on Bun (MCP SDK v2)

Development

bun install          # Install dependencies
bun run src/index.ts # Run server locally (stdio)
bun test             # Unit tests
bun run typecheck    # tsc --noEmit
bun run build        # Bundle → bundle/index.js (node-target, for the plugin)
bun run smoke        # Live stdio initialize + tools/list

Architecture

TypeScript sources under src/, using @modelcontextprotocol/server v2:

  • createServer() (src/server.ts): Builds an McpServer and registerTools search + get_file_info with Zod input schemas
  • resolveEsPath() / executeEverything(): Absolute-path-only es.exe discovery and spawn
  • src/index.ts: serveStdio(() => createServer()) entrypoint
  • bundle/index.js: bun build output launched by .mcp.json via node (self-contained; no node_modules required at plugin runtime)

External Dependency

Requires es.exe (Everything command-line tool):

  • Default probe: Program Files / Program Files (x86) / WinGet Links / Scoop
  • Override via ES_PATH environment variable (must be absolute)

Tools

Tool Purpose
search Search files/folders with Everything syntax (wildcards, regex, size/date filters, sorting)
get_file_info Get file details (size, dates, attributes)

Everything Search Syntax Reference

  • Wildcards: *.txt, file?.doc
  • Boolean: file AND doc, txt OR doc, NOT backup
  • Extensions: ext:jpg;png;gif
  • Size: size:>1mb, size:1mb..10mb
  • Dates: dm:today, dc:lastweek, da:thismonth
  • Path: path:C:\Users\, parent:Downloads
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. yesterday Changed · +2 lines · +100 tokens per session 351a58cdda02
  2. 9d ago First seen · 51 lines · 423 tokens per session scan A 0d881315f776

Subscribe to this mod's changes

everything-mcp CLAUDE.md is an instructions file published in the GitHub repository danielsimonjr/everything-mcp (12 stars, last pushed yesterday), licensed MIT. It adds 523 tokens to every session, about $0.0026 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 2026-08-30.

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