Aegis Security Skills MCP Server

by drupadsachaniaio.github.drupadsachania/aegis-skillsv1.5.0

Read-only library of 24 defensive cybersecurity skills: ATT&CK, ATLAS, DFIR, CTEM and more.

3Node.jsstdioremoteofficial registry

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of Aegis Security Skills, from the data

Aegis Security Skills is a security MCP server from drupadsachania, listed in the official MCP Registry.

Its 3 tools add about 410 tokens to every model turn, lighter than the security median of 2,564 tokens across 57 measured servers (measured 2026-10-19).

With 3 GitHub stars it ranks #285 of 1,263 security servers we index.

It runs either locally over stdio or as a hosted endpoint.

Install Aegis Security Skills MCP server

claude mcp add aegis-drupadsachania -- npx -y aegis-skills mcp

{
  "mcpServers": {
    "aegis-drupadsachania": {
      "command": "npx",
      "args": [
        "-y",
        "aegis-skills",
        "mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "aegis-drupadsachania": {
      "command": "npx",
      "args": [
        "-y",
        "aegis-skills",
        "mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "aegis-drupadsachania": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "aegis-skills",
        "mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "aegis-drupadsachania": {
      "command": "npx",
      "args": [
        "-y",
        "aegis-skills",
        "mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Remote endpoints

streamable-httphttps://aegis-skills.vercel.app/api/mcp

Context tax

Connecting this server adds ~410 tokens of tool definitions to every model turn (lean, 3 tools). Measured 2026-10-19 via its hosted endpoint; o200k tokenizer, worst case for clients that load all tools up front. How we measure

Model	Per 1,000 turns	With prompt caching
Claude Opus 5.5	$1.64	$0.082
Claude Sonnet 5.5	$0.820	$0.082
Claude Haiku 5.5	$0.041	—

Input prices as of 2026-10-06. Excludes your own prompt and output.

Tools (3)

get_skill_phase149 tok
Load the methodology content for one phase of a skill. The phase is given as a phase id or as a 0-based index among authored phases.
list_skills120 tok
List available defensive security skills, optionally filtered by family or a free-text query (matched against name, description, tags and frameworks).
get_skill100 tok
Return a skill's description, frameworks, tags, context and ordered phase ids.

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
2026-10-15 · 3d ago · GitHub
Latest release
2026-10-13 · 5d ago · GitHub · aegis-skills@1.5.0
Package published
no data · npm/PyPI
Registry entry updated
2026-10-13 · 5d ago · official registry · v1.5.0

How it compares in Security

Against the most-starred security servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Aegis Security Skills (this)	3	—	not measured	—	local + hosted
Semgrep	17,123	—	not measured	Active	—
Ida Pro	13,002	—	not measured	Active	—
Ghidra	11,390	—	not measured	Abandoned	—
Robin: AI-Powered Dark Web OSINT	7,591	—	not measured	Active	local
Claude Code Ultimate Guide	6,196	—	not measured	Active	local

All security MCP servers

FAQ

›How do I install the Aegis Security Skills MCP server in Claude Code?

Run: claude mcp add aegis-drupadsachania -- npx -y aegis-skills mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Aegis Security Skills require an API key?

No required environment variables are declared in its published metadata.

›Can I use Aegis Security Skills as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Aegis Security Skills in the official MCP registry?

Yes, as io.github.drupadsachania/aegis-skills.

Sources and method

Official MCP Registry entry: updated 2026-10-13
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Tool list (tools/list), measured by us: 2026-10-19
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.