MCP-Client-Server-Demo

A demo Spring Boot (Java) client/server architecture using MCP over SSE, wired to an OpenAI API key via Spring AI. It includes Docker Compose instructions to run the stack and configure an MCP server URL for the client.

Evaluated Apr 04, 2026 (16d ago)

Repo ↗ DevTools mcp spring-boot sse spring-ai docker java

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

The README uses an OpenAI API key configuration but does not document MCP server auth, TLS requirements, or secrets handling practices beyond suggesting insertion into application.yml. The MCP URL shown is plain HTTP (insecure by default for non-local environments).

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

Used as a learning/demo project in a controlled local environment (Docker) with trusted configuration inputs.

Avoid When

Avoid for sensitive production integrations without additional security hardening, deployment configuration, and observability/error-handling documentation.

Use Cases

• Prototyping an MCP-style integration between an app (client) and tool providers (server)
• Learning/validating Spring AI + MCP client wiring over SSE
• Local development/testing with Docker Compose

Not For

• Production deployments requiring hardened security and operational guarantees (the README lacks production-grade details)
• Environments where external API key handling cannot be performed
• Teams needing formal API contracts (OpenAPI/SDK) or documented error/rate-limit behaviors

Interface

REST API

GraphQL

gRPC

MCP Server

Yes ↗

SDK

Webhooks

Authentication

Methods: OpenAI API key (as configured in Spring AI properties)

OAuth: No Scopes: No

Authentication details for the MCP server itself are not described in the provided README; only the OpenAI API key configuration is shown.

Pricing

Free tier: No

Requires CC: No

Costs depend on OpenAI usage; no pricing information for this repository itself is provided.

Agent Metadata

Pagination

none

Idempotent

False

Retry Guidance

Not documented

Known Gotchas

⚠ MCP server authentication/behavior is not documented in the README provided
⚠ SSE connection details (timeouts, reconnection behavior) are not documented
⚠ No explicit guidance for handling transient failures or retry/idempotency concerns

Alternatives

Use an MCP framework/library with a documented OpenAPI spec and production-ready SDKs Implement MCP integration directly in your application with robust config management and retries Use other tool-execution frameworks that provide clearer REST/GraphQL contracts

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API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-04-04.