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Arcjet

Arcjet provides a runtime application-security platform that developers integrate directly into their code. Its security building blocks protect applications and AI workflows against bots, abuse, prompt injection, sensitive-data exposure, and common web attacks.
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Shield WAF


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Description

Shield WAF is an Arcjet security building block that developers add through an Arcjet SDK to protect individual routes or an entire application from application-layer attacks such as SQL injection. It supports dry-run logging and live blocking modes, with decisions visible in the Arcjet dashboard.

Category: Developer Tooling

Arcjet Plugin


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Description

Arcjet Plugin is an open-source bundled experience for Claude Code and Cursor. Installed with a single command, it preloads Arcjet security-platform knowledge and automatically supplies framework-specific SDK guidance, protection rules, and best practices. It includes Arcjet MCP access for request and traffic analysis, IP investigation, remote-rule management, task-oriented protection skills, and a security analyst agent; it supports the languages and frameworks supported by Arcjet SDKs.

Category: Developer Tooling

Arcjet MCP Server


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Description

Arcjet MCP server is an OAuth-authenticated Streamable HTTP endpoint for supported MCP clients. It provides access to Arcjet teams, sites, traffic and security analysis, IP investigation, security briefings, quotas, and remote-rule management, including creating and promoting supported rules without redeployment.

Category: Developer Tooling

Arcjet CLI


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Description

Arcjet CLI is a terminal transport for connecting Arcjet skills to the Arcjet API. It provides authenticated command-line access to teams and sites, SDK-key retrieval, remote-rule management, traffic and anomaly analysis, request inspection, security briefings, and live request monitoring. It is intended for developers, CI workflows, and AI coding agents working in shells or editor plugins.

Category: Developer Tooling

Arcjet Guards


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Description

Arcjet Guards is an SDK-based security control for AI tool handlers, MCP servers, queue workers, background jobs, agentic pipelines, file reads, API calls, and data exports that process untrusted input without a Request object. It provides rate limiting, prompt-injection detection, local sensitive-information detection, experimental content moderation, and custom local rules. It supports JavaScript/TypeScript and Python, with a pre-release Go SDK.

Category: Developer Tooling