@arcjet
基本信息
Arcjet MCP server. Help your AI agents implement bot detection, rate limiting, email validation, attack protection, data redaction.
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"arcjet": {
"type": "http",
"url": "https://api.arcjet.com/mcp"
}
}
}Lists teams the authenticated user belongs to.
Lists sites within a specified team.
Creates a new site within a specified team.
Returns the SDK key (`ARCJET_KEY`) for a specific site.
Lists recent requests for a site. Supports filtering by conclusion (`ALLOW`, `DENY`, `ERROR`) and pagination.
Returns full details for a specific request including headers, rules executed, and decision information.
Explains why Arcjet allowed or denied a specific request. Returns a natural language summary, per-rule breakdown, and suggested next steps.
Returns quota usage and limits for a site in the current billing window.
Analyzes request traffic over a time period. Returns total requests, denials, denial rate, top paths, top IPs, top denial reasons, and trend vs the previous period.
Detects unusual security patterns by comparing current traffic to the previous period. Identifies traffic spikes, geographic shifts, new threat activities, new bot signatures, risk escalation, and suspicious IP patterns.
Investigates an IP address in the context of a site. Returns geo location, threat intelligence (network type, threat activities, entity classification, risk level), and the IP's recent request activity (conclusion breakdown, denial reasons, targeted paths, daily timeline).
Analyzes what would happen if dry-run rules were promoted to live. Shows how many currently-allowed requests would have been blocked by each rule type, which IPs would be most affected, and a false-positive estimate.
Returns a comprehensive security briefing: active rules summary, traffic analysis, threat intelligence, anomaly detection, dry-run promotion readiness, quota status, and prioritized actionable recommendations. Designed for daily consumption.
Lists all remote rules configured for a site with their ID, type, mode, and configuration summary.
Creates a new remote rule for a site. Supports rate limit, bot, shield, and filter rule types.
Replaces an existing remote rule configuration. All fields must be provided (full replacement).
Deletes a remote rule, immediately stopping it from being evaluated.
Promotes a remote rule from DRY_RUN to LIVE mode after verification.
Arcjet is a runtime security platform that ships with your code. The Arcjet - MCP Server gives AI coding assistants the skills of a security engineer by connecting to Arcjet's API. It enables AI tools to list teams and sites, create sites, get API keys, inspect requests, explain decisions, analyze traffic, manage remote rules, and more — all using natural language.
The server is hosted at https://api.arcjet.com/mcp and uses Streamable HTTP transport with OAuth-based authentication. Setup varies by client: in ChatGPT add a connector with the server URL and OAuth; for Claude Code run claude mcp add arcjet --transport http https://api.arcjet.com/mcp; for Cursor/VS Code/Windsurf add the server to the appropriate MCP configuration file.
It gives AI coding assistants the abilities of a security engineer — listing teams and sites, explaining decisions, analyzing traffic, managing remote rules, and providing security briefings — all through natural language.
Any client that supports the latest MCP specification with Streamable HTTP transport and OAuth authorization, including ChatGPT, Claude Code, Claude Desktop, Cursor, VS Code with Copilot, and Windsurf.
The server uses OAuth-based authentication. Clients handle the OAuth flow automatically — for example, Claude Code opens a browser for authentication on first connection, and ChatGPT prompts you during setup.
No. It is a remote server hosted at `https://api.arcjet.com/mcp`. You only need to configure your MCP client to point to that URL.
Remote rules are managed through the MCP server or the Arcjet dashboard and apply globally to all requests for a site — no code changes or redeployment needed. Only `rate_limit`, `bot`, `shield`, and `filter` rule types are supported as remote rules; rules that need parsed request body content (`email`, `sensitive_info`, `prompt_injection`) require the SDK.
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