# Why MCP and Skills Are Complementary for AI Agents

DevFeed: [Why MCP and Skills Are Complementary for AI Agents](<https://devfeed.tech/articles/why-do-we-need-mcp-if-skills-exist-now-31110.md>)

Original publisher: [Read original article](<https://www.mintlify.com/blog/why-do-we-need-mcp-if-skills-exist>)

Author: Michael Ryaboy

Published: 2026-01-26T00:00:00Z

Content type: article

Language: en

Sources: [Mintlify Blog](<https://devfeed.tech/sources/mintlify-blog.md>)

Topics: [Model Context Protocol](<https://devfeed.tech/topics/model-context-protocol.md>), [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [OAuth](<https://devfeed.tech/topics/oauth.md>), [Caching](<https://devfeed.tech/topics/caching.md>), [context window](<https://devfeed.tech/topics/context-window.md>), [Claude](<https://devfeed.tech/topics/claude.md>), [anthropic](<https://devfeed.tech/topics/anthropic.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-agent](<https://devfeed.tech/tags/ai-agent.md>), [ai-trends](<https://devfeed.tech/tags/ai-trends.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [context-window](<https://devfeed.tech/tags/context-window.md>), [dev](<https://devfeed.tech/tags/dev.md>), [kv-cache](<https://devfeed.tech/tags/kv-cache.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [oauth](<https://devfeed.tech/tags/oauth.md>), [performance](<https://devfeed.tech/tags/performance.md>), [skills](<https://devfeed.tech/tags/skills.md>)

## AI overview

This article explains that MCP and Skills address different needs for AI agents: MCP provides standardized, authenticated and scoped access to external services, while Skills package the knowledge needed to use tools effectively. It also discusses MCP's context bloat and caching costs, and presents CLIs as an emerging complementary pattern.

## Source excerpt

Skills and MCP solve different problems. Skills package knowledge. MCP packages authenticated, scoped access on a user's behalf.