# MCP vs API

Published articles for MCP vs API.

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## MCP vs API: How they work together and when to use each

DevFeed: [MCP vs API: How they work together and when to use each](<https://devfeed.tech/articles/mcp-vs-api-how-they-work-together-and-when-to-use-each-13353.md>)

Original publisher: [Read original article](<https://circleci.com/blog/mcp-vs-api/>)

Author: Jacob Schmitt

Published: 2026-08-20T21:30:00Z

Content type: tutorial

Language: en

Sources: [The CircleCI Blog Feed | CircleCI](<https://devfeed.tech/sources/the-circleci-blog-feed-circleci.md>)

Topics: [Model Context Protocol (MCP)](<https://devfeed.tech/topics/model-context-protocol-mcp.md>), [API](<https://devfeed.tech/topics/api.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [ai-development](<https://devfeed.tech/tags/ai-development.md>), [api](<https://devfeed.tech/tags/api.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [mcp-vs-api](<https://devfeed.tech/tags/mcp-vs-api.md>), [mcp-vs-rest](<https://devfeed.tech/tags/mcp-vs-rest.md>), [when-to-use-mcp-vs-api](<https://devfeed.tech/tags/when-to-use-mcp-vs-api.md>), [will-mcp-replace-apis](<https://devfeed.tech/tags/will-mcp-replace-apis.md>)

### AI overview

This tutorial explains how APIs and the Model Context Protocol differ and work together. APIs expose operations for software to call, while MCP provides a standardized way for AI applications to discover and invoke selected capabilities at runtime, often through existing REST, GraphQL, or RPC interfaces.

### Source excerpt

An API exposes operations software can call. MCP lets AI agents discover and invoke them at runtime. Learn how the two work together, and when to use each.

## MCP vs API

DevFeed: [MCP vs API](<https://devfeed.tech/articles/mcp-vs-api-30877.md>)

Original publisher: [Read original article](<https://www.rogerperkin.co.uk/api/mcp-vs-api/>)

Author: Roger Perkin

Published: 2026-08-14T07:35:02Z

Content type: article

Language: en

Sources: [Roger Perkin Network Automation Consultant](<https://devfeed.tech/sources/roger-perkin-network-automation-consultant.md>)

Topics: [MCP vs API](<https://devfeed.tech/topics/mcp-vs-api.md>), [API](<https://devfeed.tech/topics/api.md>), [Model Context Protocol](<https://devfeed.tech/topics/model-context-protocol.md>), [AI Models](<https://devfeed.tech/topics/ai-models.md>), [Protocol (disambiguation)](<https://devfeed.tech/topics/protocol.md>)

Tags: [ai-models](<https://devfeed.tech/tags/ai-models.md>), [api](<https://devfeed.tech/tags/api.md>), [json-rpc](<https://devfeed.tech/tags/json-rpc.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [mcp-vs-api](<https://devfeed.tech/tags/mcp-vs-api.md>), [rest-apis](<https://devfeed.tech/tags/rest-apis.md>), [rpc](<https://devfeed.tech/tags/rpc.md>), [vs](<https://devfeed.tech/tags/vs.md>)

### AI overview

This article explains that MCP and APIs serve different purposes. APIs connect software systems through predefined endpoints, while MCP lets AI models discover and use tools dynamically. MCP does not replace APIs; it operates on top of existing APIs as a standardized, AI-friendly translation layer.

### Source excerpt

Ever since MCP became popular, I hear people saying "does MCP replace APIs?" Or do they both solve completely different problems? Firstly the facts: APIs connect software systems through predefined endpoints, while MCP enables AI models to discover and use tools dynamically. So, they are two different things, but can MCP replace APIs? More discussions ...