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Mcp Protocol
ASecurity> JSON-RPC 2.0 protocol reference for MCP.
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- Added September 2, 2026
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[](https://www.skillsdirectory.com/skills/majiayu000-mcp-protocol)---
name: mcp-protocol
description: '> JSON-RPC 2.0 protocol reference for MCP.'
---
# MCP Protocol Skill
> JSON-RPC 2.0 protocol reference for MCP.
---
## Request Format
```json
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "search_nodes",
"arguments": {
"query": "http"
}
}
}
```
## Response Format
```json
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"content": [{
"type": "text",
"text": "{\"nodes\": [...]}"
}]
}
}
```
## Error Codes
| Code | Message |
|------|---------|
| -32700 | Parse error |
| -32600 | Invalid Request |
| -32601 | Method not found |
| -32602 | Invalid params |
| -32603 | Internal error |
## Methods
- `tools/list` — List available tools
- `tools/call` — Call a tool
- `resources/list` — List resources
- `prompts/list` — List prompts
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