# Owasp MCP

> OWASP MCP Top 10 knowledge base for identifying, assessing, and remediating Model Context Protocol security risks.

- Skill: `microsoft/owasp-mcp` (Agent Skill)
- Install (CLI): `npx skillmds@latest add microsoft/owasp-mcp`
- Raw SKILL.md: https://api.skillmd.com/api/skills/microsoft/owasp-mcp/raw
- Safety review: pending (external: skill-scanner PASS, skillspector CAUTION)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- License: CC-BY-SA-4.0
- Author: Microsoft (https://skillmd.com/u/microsoft)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/microsoft/owasp-mcp

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# OWASP MCP Top 10 — Skill Entry

This `SKILL.md` is the **entrypoint** for the MCP Vulnerabilities skill.

The skill encodes the **OWASP MCP Top 10 (2025)** as structured, machine-readable references
that an agent can query to identify, assess, and remediate MCP security risks.

## Normative references (MCP Top 10)

1. [00 Vulnerability Index](references/00-vulnerability-index.md)
2. [01 Token Mismanagement and Secret Exposure](references/01-token-mismanagement-secret-exposure.md)
3. [02 Privilege Escalation via Scope Creep](references/02-privilege-escalation-scope-creep.md)
4. [03 Tool Poisoning](references/03-tool-poisoning.md)
5. [04 Software Supply Chain Attacks and Dependency Tampering](references/04-supply-chain-attacks-dependency-tampering.md)
6. [05 Command Injection and Execution](references/05-command-injection-execution.md)
7. [06 Prompt Injection via Contextual Payloads](references/06-prompt-injection-contextual-payloads.md)
8. [07 Insufficient Authentication and Authorization](references/07-insufficient-authentication-authorization.md)
9. [08 Lack of Audit and Telemetry](references/08-lack-of-audit-telemetry.md)
10. [09 Shadow MCP Servers](references/09-shadow-mcp-servers.md)
11. [10 Context Injection and Over-Sharing](references/10-context-injection-over-sharing.md)

## Skill layout

- `SKILL.md` — this file (skill entrypoint).
- `references/` — the MCP Top 10 normative documents.
  - `00-vulnerability-index.md` — index of all vulnerability identifiers, severities, and cross-references.
  - `01` through `10` — one document per vulnerability aligned with OWASP MCP numbering.