# arc-security (slim) > arc-security, an MCP server by arcself.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Scan AI agent skills for 25 attack classes + runtime monitoring. 1,316+ findings. - Full: https://www.anchorterminal.com/tools/arcself-arc-security.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/arcself-arc-security.json · canonical https://www.anchorterminal.com/tools/arcself-arc-security - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # arc-security > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by arcself.com (https://arcself.com) - Category: Observability & incidents (https://www.anchorterminal.com/categories/observability.md) - Listed because: It's published in the registry under arcself.com, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Scan AI agent skills for 25 attack classes + runtime monitoring. 1,316+ findings. ## Facts - MCP registry: `com.arcself/arc-security` 0.5.1 - Package: npm `arc-security-mcp` (stdio) - Source: https://github.com/ArcSelf/arc-security-mcp - npm downloads a week: 72 - Registry entry updated: 2026-02-17 - JSON: https://www.anchorterminal.com/api/v1/tools/arcself-arc-security.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming