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MCP in Practice

3 notes move from the word to a real choice at work — understand it first, then decide whether to use it.

READING THREADOPEN
3notes
HOW TO READStart where you are stuck, then follow the evidence and trade-offs

Each note stands alone, or becomes the next step in this thread.

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THE QUESTION THIS PAGE ANSWERS

ANSWER FIRST

What is MCP in Practice, and which AI decisions does it change?

Same protocol, two directions: consuming others' tools vs exposing your own This page keeps the related concepts, common mistakes, and practical notes in one reading thread.

DECISION RULE

First decide whether you are blocked by a definition, a choice, or verification; then choose the closest of the 3 notes below.

TRY NEXT

Start with “MCP Isn't Just "Calling Tools",” then restate the conclusion using your own task.

WATCH FOR

Do not treat every method in a topic as interchangeable. The answer changes with the input, risk, and acceptance bar.

THIS QUESTION THREAD

Put the word back inside the choice it changes.

3 notes
Concept

MCP Isn't Just "Calling Tools"

Same protocol, two directions: consuming others' tools vs exposing your own

From Working Demo to Useful Product 3 min →
Hands-on

Lazy Connections: Don't Connect If Not Needed

10 MCP services registered — connect them all at startup, or wait until needed?

From Working Demo to Useful Product 3 min →
Deep Dive

AI Adds Its Own Tools

An Agent discovers it needs a new tool at runtime and configures MCP connections itself — the self-configuration approach

From Working Demo to Useful Product 3 min →