mcp-server-spring-java

Provides an MCP (Model Context Protocol) server implemented with Spring Boot (Java 21) that exposes user-management tools (e.g., get/search/add/update/delete users). It supports synchronous communication and multiple transports (STDIO and an HTTP/SSE-style /mcp/message endpoint). Tool calls appear to act as a thin wrapper over an external DummyJSON API for user data.

Evaluated Apr 04, 2026 (16d ago)
Repo ↗ DevTools mcp spring-boot java agent-tools stdio sse api
⚙ Agent Friendliness
52
/ 100
Can an agent use this?
🔒 Security
31
/ 100
Is it safe for agents?
⚡ Reliability
26
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
55
Documentation
60
Error Messages
0
Auth Simplicity
100
Rate Limits
0

🔒 Security

TLS Enforcement
40
Auth Strength
10
Scope Granularity
0
Dep. Hygiene
55
Secret Handling
60

README does not mention authentication/authorization, audit logging, or transport security beyond running a Spring Boot server on a port. TLS enforcement, secret management practices, and dependency vulnerability status are not documented in the provided content.

⚡ Reliability

Uptime/SLA
0
Version Stability
45
Breaking Changes
40
Error Recovery
20
AF Security Reliability

Best When

You want a simple reference MCP server with Spring Boot to demonstrate tool exposure and client integration patterns.

Avoid When

You need strong security guarantees (authN/authZ, audit logging), clear rate-limit/retry semantics, or guaranteed resilience/error recovery for production traffic.

Use Cases

  • • Prototype an MCP integration for user-management capabilities
  • • Test MCP client tool-calling flows (STDIO or HTTP/SSE style transport)
  • • Build a small agent tool layer over a REST-backed user dataset

Not For

  • • Production-grade multi-tenant user management without additional authentication/authorization
  • • Handling sensitive personal data without compliance controls
  • • Use cases that require documented error codes, retries, and strict API contracts

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
Yes ↗
SDK
No
Webhooks
No

Authentication

OAuth: No Scopes: No

No authentication mechanism is described in the provided README. The service appears accessible via local HTTP endpoints/STDIO unless additional configuration exists outside the provided documentation.

Pricing

Free tier: No
Requires CC: No

Open-source repository (per provided license metadata); no pricing information in the README.

Agent Metadata

Pagination
pagination
Idempotent
False
Retry Guidance
Not documented

Known Gotchas

  • ⚠ No auth described—agents may be unable/unwilling to use this safely in shared environments
  • ⚠ Retry/backoff and idempotency semantics are not documented
  • ⚠ Tool parameter validation and error formats are not described

Alternatives

Directly wrap your user service with an MCP server template from a maintained MCP integration project Use an OpenAPI-described REST service and let the agent call it via tooling without an MCP layer Community MCP server examples in the Spring AI ecosystem (if available) or other language MCP server templates

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API endpoint ↗ Agent guide ↗ Report inaccuracy

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

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Packages Evaluated
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Need Evaluation
586
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