MCP & Protocol Testing / Quiz
JSON-RPC 2.0 Message Shapes
MCP is JSON-RPC 2.0 all the way down. Know the four message shapes cold or you'll write assertions against frames that can't exist.
- Difficulty
- Easy
- Format
- Quiz
- Points
- 100
- Estimate
- 9 min
// MISSION BRIEF
Your Mission
Every MCP message is a JSON-RPC 2.0 frame: request, success response, error response, or notification. Get the shapes wrong and your protocol tests assert nonsense.
Scoring: equal weight. This is foundational, own it.
// FIRST CONTACT
Battle teaser
Which field must appear in EVERY JSON-RPC 2.0 message?
- A"jsonrpc": "2.0"
- B"protocol": "rpc"
- C"version": 2
- D"mcp": true
Answers, scoring, hints, and the full battle stay sealed.
// SKILL TAGS
mcpjson-rpcprotocol-testingmessage-schema