skill-mcp-server

An MCP server that exposes a directory of “Claude Skills” (SKILL.md plus scripts and references) to any MCP-capable AI agent. It provides tools to list skills, load skill instructions/resources, execute bundled skill scripts in a sandboxed environment, and read/write/edit files within a configured workspace.

Evaluated Apr 04, 2026 (23d ago)
Homepage ↗ Repo ↗ DevTools mcp claude-skills agent-tools file-io sandboxing python automation
⚙ Agent Friendliness
61
/ 100
Can an agent use this?
🔒 Security
41
/ 100
Is it safe for agents?
⚡ Reliability
21
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
75
Documentation
78
Error Messages
0
Auth Simplicity
95
Rate Limits
0

🔒 Security

TLS Enforcement
30
Auth Strength
20
Scope Granularity
55
Dep. Hygiene
60
Secret Handling
50

README claims “secure by design” with path validation and sandboxed file operations, and supports workspace isolation. However, no authentication/authorization model is documented and TLS/transport security is not described (likely local MCP connection). Executing bundled scripts inherently increases risk if skills/scripts are untrusted; strong sandboxing details are not provided in the available text.

⚡ Reliability

Uptime/SLA
0
Version Stability
35
Breaking Changes
20
Error Recovery
30
AF Security Reliability

Best When

You control the skills/scripts directory and want to plug them into an MCP-compatible agent via a standardized tool interface with workspace isolation.

Avoid When

You need enterprise-grade security guarantees for running third-party/untrusted code, or you require clear operational/SLA assurances and mature stability/release discipline.

Use Cases

  • Let an MCP agent use an existing skill ecosystem without native Claude Skills support
  • Automate workflows defined as skill scripts with controlled workspace I/O
  • Provide standardized access to reusable reference templates (skill references)
  • Enable hot-reloading of newly added skills during development

Not For

  • Production environments where untrusted skills/scripts could be executed without strong isolation and governance
  • Use cases requiring first-class authN/authZ, quotas, or managed hosting
  • Teams needing a documented, stable versioned HTTP API/SDK beyond MCP

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

OAuth: No Scopes: No

No explicit authentication method is described in the provided README. This appears to be a locally run MCP server configured in the MCP client config.

Pricing

Free tier: No
Requires CC: No

Open-source (MIT license) and installation is via pip/uvx per README; no hosted pricing described.

Agent Metadata

Pagination
none
Idempotent
False
Retry Guidance
Not documented

Known Gotchas

  • Executing skill scripts is a side-effect operation; agent behavior should avoid repeated runs unless idempotent by design.
  • File operations are scoped to a configured workspace; agents may fail if paths are outside/denied by path validation.
  • Hot reload exists, but agents may need to re-query tool outputs to see newly added skills/resources.

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Scores are editorial opinions as of 2026-04-04.

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