by StackOneHQ · MCP Server · ★ 112
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
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<img src="https://img.shields.io/badge/model-22MB-047B43
| Stars | 112 |
| Forks | 11 |
| Language | TypeScript |
| Category | MCP Server |
| License | Apache-2.0 |
| Quality Score | 72.3509856948637/100 |
| Open Issues | 4 |
| Last Updated | 2026-07-22 |
| Created | 2026-02-13 |
| Platforms | cli, mcp, node |
| Est. Tokens | ~17k |
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defender is Open source prompt injection protection for Agents calling tools (via MCP, CLI or direct function calling). Detect and defend against prompt injection attacks. 22MB, CPU-only, < 10ms latency.. It is categorized as a MCP Server with 112 GitHub stars.
defender is primarily written in TypeScript. It covers topics such as ai-security, indirect-prompt-injection, llm-security.
You can find installation instructions and usage details in the defender GitHub repository at github.com/StackOneHQ/defender. The project has 112 stars and 11 forks, indicating an active community.
defender is released under the Apache-2.0 license, making it free to use and modify according to the license terms.
The top alternatives to defender on Agent Skills Hub include agentseal, agent-security-scanner-mcp, shellward. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.