# anubis-mcp

> Elixir Model Context Protocol (MCP) SDK (hermes-mcp fork)

- **URL**: https://www.freshcrate.ai/projects/anubis-mcp
- **Author**: zoedsoupe
- **Category**: MCP Servers
- **Latest version**: `v1.6.1` (2026-05-23)
- **License**: NOASSERTION
- **Source**: https://github.com/zoedsoupe/anubis-mcp
- **Homepage**: https://hexdocs.pm/anubis_mcp
- **Language**: Elixir
- **GitHub**: 123 stars, 41 forks
- **Registry**: github (`zoedsoupe/anubis-mcp`)
- **Tags**: `elixir`, `mcp`, `mcp-sdk`

## Description

Elixir Model Context Protocol (MCP) SDK (hermes-mcp fork)

## Recent releases

| Version | Date | Urgency | Changes |
| --- | --- | --- | --- |
| `v1.6.1` | 2026-05-23 | High | ## [1.6.1](https://github.com/zoedsoupe/anubis-mcp/compare/v1.6.0...v1.6.1) (2026-05-23)   ### Bug Fixes  * Echo request id in "Server not initialized" error ([#168](https://github.com/zoedsoupe/anubis-mcp/issues/168)) ([226b71e](https://github.com/zoedsoupe/anubis-mcp/commit/226b71ef92bd90216d79cd4998636b147763bf4b)) |
| `v1.6.0` | 2026-05-18 | High | ## [1.6.0](https://github.com/zoedsoupe/anubis-mcp/compare/v1.5.0...v1.6.0) (2026-05-18)   ### Features  * add OAuth 2.1 authorization for MCP servers ([#158](https://github.com/zoedsoupe/anubis-mcp/issues/158)) ([a12a8f6](https://github.com/zoedsoupe/anubis-mcp/commit/a12a8f6ba9db8498a212f566898b66c99631993e)) * add Registry.PG for distributed session tracking via :pg ([#160](https://github.com/zoedsoupe/anubis-mcp/issues/160)) ([512e103](https://github.com/zoedsoupe/anubis-mcp/commit/512e1033a |
| `v1.5.0` | 2026-05-09 | High | ## [1.5.0](https://github.com/zoedsoupe/anubis-mcp/compare/v1.4.0...v1.5.0) (2026-05-09)   ### Features  * MCP Tasks (2025-11-25) — server-receiver for tools/call ([#98](https://github.com/zoedsoupe/anubis-mcp/issues/98)) ([#155](https://github.com/zoedsoupe/anubis-mcp/issues/155)) ([51348f1](https://github.com/zoedsoupe/anubis-mcp/commit/51348f1a6e2b069fbe91c1cd50ce4610303de393))   ### Bug Fixes  * drop compile-connected deps from component/1 macro ([#154](https://github.com/zoedsoupe/anubis-mc |
| `v1.3.1` | 2026-05-04 | High | ## [1.3.1](https://github.com/zoedsoupe/anubis-mcp/compare/v1.3.0...v1.3.1) (2026-05-04)   ### Bug Fixes  * log sse_keepalive_failed at :warning, matching sse_send_failed ([#145](https://github.com/zoedsoupe/anubis-mcp/issues/145)) ([f8dbc43](https://github.com/zoedsoupe/anubis-mcp/commit/f8dbc43e2fc0fd9debd5851aebcb31ab459459bd))   ### Miscellaneous Chores  * change setup-zig version on ci ([f77a844](https://github.com/zoedsoupe/anubis-mcp/commit/f77a844cd0c706db3240f1c655a7277969940244))   ### |
| `v1.3.0` | 2026-04-29 | High | ## [1.3.0](https://github.com/zoedsoupe/anubis-mcp/compare/v1.2.0...v1.3.0) (2026-04-29)   ### Features  * **elicitation:** MCP 2025-06-18 elicitation support ([#139](https://github.com/zoedsoupe/anubis-mcp/issues/139)) ([8ab36e2](https://github.com/zoedsoupe/anubis-mcp/commit/8ab36e2f051984a9dc841e7f97e58542e5746800)) * resource templates with RFC 6570 URI matching ([#141](https://github.com/zoedsoupe/anubis-mcp/issues/141)) ([aaee374](https://github.com/zoedsoupe/anubis-mcp/commit/aaee37489887 |
| `v1.2.0` | 2026-04-24 | High | ## [1.2.0](https://github.com/zoedsoupe/anubis-mcp/compare/v1.1.1...v1.2.0) (2026-04-24)   ### Features  * pluggable session supervisor and :via tuple session naming ([#133](https://github.com/zoedsoupe/anubis-mcp/issues/133)) ([0a1aadc](https://github.com/zoedsoupe/anubis-mcp/commit/0a1aadc3b00be036980920a2c0e0a8ce55d2b392))   ### Bug Fixes  * correct SSE task lifecycle bugs in StreamableHTTP transport ([#130](https://github.com/zoedsoupe/anubis-mcp/issues/130)) ([3a34382](https://github.com/zo |
| `v1.1.1` | 2026-04-22 | High | ## [1.1.1](https://github.com/zoedsoupe/anubis-mcp/compare/v1.1.0...v1.1.1) (2026-04-22)   ### Bug Fixes  * buffer chunked STDIO responses before decoding in client ([#127](https://github.com/zoedsoupe/anubis-mcp/issues/127)) ([eff7f24](https://github.com/zoedsoupe/anubis-mcp/commit/eff7f248084077e081d57122648963a1ab24e35e))   ### Miscellaneous Chores  * capture log from stdio transports processes ([fbcca0a](https://github.com/zoedsoupe/anubis-mcp/commit/fbcca0a1204e4e1602d8abe277af03f067338d10) |
| `v1.1.0` | 2026-04-13 | Medium | ## [1.1.0](https://github.com/zoedsoupe/anubis-mcp/compare/v1.0.0...v1.1.0) (2026-04-13)   ### Features  * Add Client.await_ready/2 to block until MCP handshake completes ([#117](https://github.com/zoedsoupe/anubis-mcp/issues/117)) ([4c48647](https://github.com/zoedsoupe/anubis-mcp/commit/4c48647192c3304e012049669729008d7177940e)) * add instructions field to initialize response ([#122](https://github.com/zoedsoupe/anubis-mcp/issues/122)) ([8103b7c](https://github.com/zoedsoupe/anubis-mcp/commit/ |
| `v1.0.0` | 2026-03-16 | Low | ## [1.0.0](https://github.com/zoedsoupe/anubis-mcp/compare/v0.17.1...v1.0.0) (2026-03-16)   ### ⚠ BREAKING CHANGES  * remove client base module and client macro ([#110](https://github.com/zoedsoupe/anubis-mcp/issues/110)) * **phase-3:** server re-implementation and simplification ([#96](https://github.com/zoedsoupe/anubis-mcp/issues/96))  ### Features  * add _meta support to Tool struct and JSON encoder ([#108](https://github.com/zoedsoupe/anubis-mcp/issues/108)) ([6ac49d1](https://github.com/zo |
| `v0.17.1` | 2026-02-28 | Low | ## [0.17.1](https://github.com/zoedsoupe/anubis-mcp/compare/v0.17.0...v0.17.1) (2026-02-28)   ### Bug Fixes  * Check Process.alive? before sending to SSE handler ([#82](https://github.com/zoedsoupe/anubis-mcp/issues/82)) ([e1dc705](https://github.com/zoedsoupe/anubis-mcp/commit/e1dc705f1ae8ee7e8670d26c7fdfc30583d19efd))   ### Code Refactoring  * **phase-1:** abstract protocol version negotiation ([#93](https://github.com/zoedsoupe/anubis-mcp/issues/93)) ([05a2362](https://github.com/zoedsoupe/an |

## Dependency audit

- **Score**: 98/100
- **Total deps**: 0
- **Resolved**: 0
- **Unresolved**: 0
- **License conflicts**: 0
- **Warnings**: 1
- **Scanned**: 2026-05-18

## Citation

- HTML: https://www.freshcrate.ai/projects/anubis-mcp
- Markdown: https://www.freshcrate.ai/projects/anubis-mcp.md
- Dependencies JSON: https://www.freshcrate.ai/api/projects/anubis-mcp/deps

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