mcp-swiftie-server
mcp-swiftie-server is a demo Model Context Protocol (MCP) server written in Go that exposes a small set of MCP tools to query mock Taylor Swift-related data (albums, songs, tours) using in-memory data. It includes a WebSocket listener (port 9000), a simple health endpoint and metrics endpoint, and demonstrates synchronous tool calls as well as a streaming/batched query pattern.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
The README mentions production work items (authentication, rate limiting, TLS/SSL, structured logging, tracing, circuit breakers, multi-tenancy). No auth or rate limiting is described, and a plain metrics endpoint is exposed. TLS/auth posture cannot be confirmed; WebSocket is mentioned without indicating TLS. In-memory mock data reduces privacy impact for the demo, but security features are explicitly missing for production.
⚡ Reliability
Best When
You want a lightweight MCP server example to integrate with an agent framework quickly and test tool calling + streaming behavior.
Avoid When
You need secure multi-tenant access, strict governance, or production-grade reliability/operational guarantees out of the box.
Use Cases
- • Building an MCP tool for demo/education around Go concurrency and low-latency query handling
- • Prototyping agent workflows that need read-only dataset querying (albums, songs, tours)
- • Testing agent integration with MCP tool discovery and tool invocation (including streaming results)
- • Performance benchmarking of concurrent tool execution in a controlled environment
Not For
- • Production deployment without adding authentication, authorization, and rate limiting
- • Use as a source of truth for real Taylor Swift catalog/tour data (mock in-memory dataset)
- • Handling sensitive or regulated data
- • Guaranteeing API stability over time (repo appears to be a small demo with minimal observable release/versioning info)
Interface
Authentication
README does not describe any authentication/authorization mechanism. Production considerations explicitly list 'Authentication' as a missing feature to add.
Pricing
No hosted service pricing information provided; repository appears to be a self-hosted demo.
Agent Metadata
Known Gotchas
- ⚠ No authentication is documented; agents in shared environments may not be able to safely connect.
- ⚠ Streaming tool output is batched; agent should handle partial/batch responses rather than expecting a single final payload.
- ⚠ Demo uses in-memory mock data; outputs may not match real-world datasets.
Alternatives
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Scores are editorial opinions as of 2026-04-04.