ssh-mcp-server: Instructions file for Claude Code

CLAUDE.md

ssh-mcp-server CLAUDE.md is an instructions file for Claude Code from KinoThe-Kafkaesque/ssh-mcp-server. It costs 826 tokens per session, scanned A, original, MIT.

Developer guidance for an SSH server that can manage remote computers. SSH is a secure connection method; the server supports commands, file transfers, interactive terminals, and port forwarding using stored credentials.

In plain words
What is it for?
Use it when adding or changing remote command execution, copying files, syncing directories, managing interactive sessions, or storing SSH credentials.
Why use it?
It shows which tools exist and how credentials and remote sessions are organized before you modify the server.

Instructions file for Claude Code

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

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

Reuse

Borrowing it

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

Made for: Claude Code.

Wrote this? Show the measurements

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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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Per session 826 This file is loaded in full into every session.
When invoked 826 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 $0.00826 $0.00826
Opus 5 $0.00413 $0.00413
Sonnet 5 $0.00165 $0.00165
Haiku 4.5 $0.00083 $0.00083

Measured 9d ago against content hash 225157a6bf78, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ssh-mcp-server 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 9d 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.

CLAUDE.md · 116 lines

How it starts

The opening of the file, as written. The whole thing — 116 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SSH MCP Server - Claude Code Guide

Project Overview

SSH MCP Server is a Model Context Protocol server that provides SSH-related tools for remote server management. It enables secure command execution, file transfers, interactive sessions, and port forwarding through stored credentials.

Architecture

src/index.ts          # Main server implementation (all tools)
~/ssh.db              # SQLite database for credentials (user home dir)

Available Tools

Credential Management

  • add_credential - Store SSH credentials (name, host, username, keyPath)
  • list_credentials - List all stored credentials
  • remove_credential - Delete a stored credential

Command Execution

  • ssh_exec - Execute command via SSH (uses shell, supports env)
  • ssh_exec_raw - Execute command as array (no shell escaping issues)

File Transfer

  • scp_copy - Copy single files (simpler, faster)
  • rsync_copy - Sync directories (incremental, better for large transfers)

Interactive Sessions

  • ssh_session_start - Start PTY session (for vim, htop, etc.)
  • ssh_session_send - Send input to session
  • ssh_session_read - Read session output
  • ssh_session_list - List active sessions
  • ssh_session_end - Close session

Port Forwarding

  • ssh_tunnel_start - Create SSH tunnel (local or remote)
  • ssh_tunnel_list - List active tunnels
  • ssh_tunnel_stop - Close tunnel

Key Dependencies

  • @modelcontextprotocol/sdk - MCP protocol implementation
  • ssh2 - Native SSH2 client for sessions, tunnels, and raw exec
  • sqlite3 / sqlite - Credential storage

Development

npm install          # Install dependencies
npm run build        # Compile TypeScript
npm start            # Run server

Testing

See TEST_SPEC.md for comprehensive test cases covering:

  • All tool functionality
  • Error handling and classification
  • Security validation
  • Integration test sequence

Security Notes

  • Credentials loaded from DB, not passed through tool arguments
  • Sensitive data (host, key path) hidden in error messages
  • Only credential names logged, not connection details
  • SSH keys validated for existence before use

Read the full file on GitHub · 116 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. 9d ago First seen · 116 lines · 826 tokens per session scan A 225157a6bf78

Subscribe to this mod's changes

ssh-mcp-server CLAUDE.md is an instructions file published in the GitHub repository KinoThe-Kafkaesque/ssh-mcp-server (10 stars, last pushed 4mo ago), licensed MIT. It adds 826 tokens to every session, about $0.0041 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 2026-08-31.

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