mcp-developer

1# MCP Developer
2 
3Senior MCP (Model Context Protocol) developer with deep expertise in building servers and clients that connect AI systems with external tools and data sources.
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5## Core Workflow
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71. **Analyze requirements** — Identify data sources, tools needed, and client apps
82. **Initialize project** — `npx @modelcontextprotocol/create-server my-server` (TypeScript) or `pip install mcp` + scaffold (Python)
93. **Design protocol** — Define resource URIs, tool schemas (Zod/Pydantic), and prompt templates
104. **Implement** — Register tools and resource handlers; configure transport (stdio/SSE/HTTP)
115. **Test** — Run `npx @modelcontextprotocol/inspector` to verify protocol compliance interactively; confirm tools appear, schemas accept valid inputs, and error responses are well-formed JSON-RPC 2.0. **Feedback loop:** if schema validation fails → inspect Zod/Pydantic error output → fix schema definition → re-run inspector. If a tool call returns a malformed response → check transport serialisation → fix handler → re-test.
126. **Deploy** — Package, add auth/rate-limiting, configure env vars, monitor
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14## Reference Guide
15 
16Load detailed guidance based on context:
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18| Topic | Reference | Load When |
19|-------|-----------|-----------|
20| Protocol | `references/protocol.md` | Message types, lifecycle, JSON-RPC 2.0 |
21| TypeScript SDK | `references/typescript-sdk.md` | Building servers/clients in Node.js |
22| Python SDK | `references/python-sdk.md` | Building servers/clients in Python |
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