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SKILL verified MIT Self-run

Mcp Vulnerabilities

skill-jasonthedeveloper-owasp-skills-mcp-vulnerabilities · by JasonTheDeveloper

OWASP MCP Top 10 (2025) vulnerability knowledge base for identifying, assessing, and remediating security risks in Model Context Protocol environments.

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$ agentstack add skill-jasonthedeveloper-owasp-skills-mcp-vulnerabilities

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed
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Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

MCP Vulnerabilities — 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 — master index of all vulnerability identifiers, severities, and cross-references.
  • 01 through 10 — one document per vulnerability aligned with OWASP MCP numbering.
  • assets/ — reusable format and constants blocks.
  • constants/ — vulnerability catalog and severity definitions.
  • constants-mcp-catalog-v1.0.0.md
  • formats/ — output contract examples.
  • format-vulnerability-assessment-v1.0.0.md
  • format-remediation-checklist-v1.0.0.md

Third-Party Attribution

Copyright © OWASP Foundation. OWASP® MCP Top 10 (2025) content is derived from works by the OWASP Foundation, licensed under CC BY-NC-SA 4.0 (). Source: Modifications: Vulnerability descriptions restructured into agent-consumable reference documents with added detection and remediation guidance. OWASP® is a registered trademark of the OWASP Foundation. Use does not imply endorsement.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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