MCP Tool Poisoning Attacks
A Node.js project demonstrating MCP client and server interactions for tool poisoning attacks, requiring an Anthropic API key.
MCP_TOOL_POISONING_ATTACKS
INDEX
ABOUT
MCP Client and MCP Server
ENVIRONMENT
- node.js v22
- mcp sdk
claude-3-5-haiku-20241022
[!NOTE] ./servers/ipinfo/は現在
npxを使ってMCP Clientから使用する形を取っている。 npxを使ってGitHubのリポジトリからinstallするにはpackage.jsonをリポジトリトップに配置する必要があるため,npx使用のための./package.jsonをリポジトリトップに配置している。
PREPARING
For Dev Container
- install VSCode, Docker
- install VSCode Extensions Dev ContainerS
- On the VSCode,
Ctrl shift pand runDev Containers: Rebuild Containers - create
.envand addANTHROPIC_API_KEY
cat << EOF > mcp_client/.env
ANTHROPIC_API_KEY=your_anthropic_api_key
EOF
- create
mcp_client/mcpservers.json
Docker
- create
.envand addANTHROPIC_API_KEY
cat << EOF > mcp_client/.env
ANTHROPIC_API_KEY=your_anthropic_api_key
EOF
- create
mcp_client/mcpservers.json - build docker image
docker compose build
HOW TO USE
Running in Dev Containers
cd mcp_client
yarn run bundle
node dist/index.js
Running to docker run
docker compose run -it mcp_client
EXAMPLE
example of mcp_client/mcpservers.json
{
"mcpServers": {
"ipinfo": {
"command": "/usr/local/bin/npx",
"args": [
"-y",
"github:RyosukeDTomita/mcp_tool_poisoning_attacks#main",
"ipinfo"
],
"env": {
"PATH": "/usr/local/bin:/usr/bin:/bin"
}
},
"burp": {
"url": "http://localhost:9876/sse"
}
}
}
[!NOTE] 現状は
mcpservers.jsonの中にある一番上のサーバを使用するようになっている。
docker compose run -it mcp_client
Tools:
[
{
name: 'ipinfo',
description: 'Get My IP information',
input_schema: {
type: 'object',
properties: {},
additionalProperties: false,
'$schema': 'http://json-schema.org/draft-07/schema#'
}
},
{
name: 'ipinfo_target_ipjson',
description: 'Get Target IP information from user request parameter',
input_schema: {
type: 'object',
properties: [Object],
additionalProperties: false,
'$schema': 'http://json-schema.org/draft-07/schema#'
}
}
]
Enter your message: 8.8.8.8の情報を教えて
=====Request to Anthoropic API=====
[ { role: 'user', content: '8.8.8.8の情報を教えて' } ]
=====Response from Anthropic API=====:
{
id: 'msg_012ZGLAfhWKmgDroHELiq6F6',
type: 'message',
role: 'assistant',
model: 'claude-3-5-haiku-20241022',
content: [
{
type: 'text',
text: '8.8.8.8の情報を調べるために、ipinfo_target_ipjsonツールを使用します。'
},
{
type: 'tool_use',
id: 'toolu_01EecHroNi48aFhzTaW5V5NW',
name: 'ipinfo_target_ipjson',
input: [Object]
}
],
stop_reason: 'tool_use',
stop_sequence: null,
usage: {
input_tokens: 432,
cache_creation_input_tokens: 0,
cache_read_input_tokens: 0,
output_tokens: 97
}
}
8.8.8.8の情報を調べるために、ipinfo_target_ipjsonツールを使用します。
=====MCP Server Tool result=====
: {
content: [
{
type: 'text',
text: '{"ip":"8.8.8.8","hostname":"dns.google","city":"Mountain View","region":"California","country":"US","loc":"38.0088,-122.1175","org":"AS15169 Google LLC","postal":"94043","timezone":"America/Los_Angeles","readme":"https://ipinfo.io/missingauth","anycast":true}'
}
]
}
=====Response from Anthropic API after tool use=====
この情報は、IPアドレス8.8.8.8の詳細を示しています。主な特徴は以下の通りです:
1. IP: 8.8.8.8
2. ホスト名: dns.google
3. 所在地:
- 都市: Mountain View
- 地域: カリフォルニア
- 国: アメリカ合衆国(US)
4. 地理的座標: 北緯38.0088、西経-122.1175
5. 組織: AS15169 Google LLC
6. 郵便番号: 94043
7. タイムゾーン: アメリカ/ロサンゼルス
8. エニーキャスト: はい(true)
この8.8.8.8は、Googleが提供する公開DNSサーバーの1つで、一般的に多くのユーザーが利用している信頼性の高いDNSサービスです。
References
Servidores relacionados
Alpha Vantage MCP Server
patrocinadorAccess financial market data: realtime & historical stock, ETF, options, forex, crypto, commodities, fundamentals, technical indicators, & more
RandomWeb3MCP
A random element generation service based on EVM block hash for games, finance, testing, and other fields.
PageSpeed Analyzer MCP
Analyzes website performance, SEO, and accessibility using PageSpeed Insights API.
WebDev MCP
Provides a collection of useful web development tools.
Choose MCP Server
An MCP server for integration with the Claude Desktop Client, with optional DBT manifest path configuration.
CodeAlive MCP
Provides semantic code search and codebase interaction features via the CodeAlive API.
Floom
Deploy Python functions as web apps. Type hints become UI, API, and shareable links. 32 MCP tools for deploy, run, storage, secrets, scheduling, versioning, and sharing.
Baidu iRAG MCP Server
Generate images using Baidu's iRAG API through a standardized MCP interface.
Gateway MCP Server
A gateway server that intelligently routes MCP requests to multiple backend servers based on external configuration.
MCP Chain of Draft (CoD) Prompt Tool
Enhances LLM reasoning by transforming prompts into Chain of Draft or Chain of Thought formats, improving quality and reducing token usage. Requires API keys for external LLM services.
Azure DevOps MCP
Integrates with Azure DevOps, allowing interaction with its services. Requires a Personal Access Token (PAT) for authentication.
