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v0.1.0 - first feature-complete milestone

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@ashishgituser ashishgituser released this 19 Aug 01:45
· 17 commits to main since this release
v0.1.0
1f08904

First feature-complete milestone. All four planned MVP features are implemented, documented and tested end to end.

What's in it

  • Routing & aggregation — connects to every configured upstream MCP server, namespaces their tools as <serverId>__<toolName>, and exposes the merged catalog over one streamable-HTTP MCP endpoint.
  • Auth & policy — an allow/deny PolicyEngine evaluated against ordered rules (principal, role, glob tool patterns), built on top of caller identity from mcp-security.
  • Observability — Micrometer metrics per call, a per-upstream /actuator/health indicator, and a structured JSON audit log line for every call.
  • Rate limiting — an opt-in Bucket4j-backed RateLimiter SPI, scoped per caller, per tool, or per (caller, tool) pair.

Evidence

  • 54 tests, all green: unit tests for the router/policy engine/rate limiter, ArchUnit architecture tests enforcing module boundaries, and an end-to-end integration test that boots two real MCP servers in-process and drives the gateway over real HTTP with a real MCP client.
  • CI builds and tests this on Java 17 and 21 for every push — see the badge in the README.

Getting it

Not yet on Maven Central. Until then it's available via JitPack — see Getting it in the README for the exact coordinates.

Full changelog

See CHANGELOG.md.

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