Synapbus MCP Server

Local-first, MCP-native agent-to-agent messaging service. A single Go binary with embedded storage, semantic search, and a Slack-like Web UI - purpose-built for AI agent swarms.

People who need communication tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Go.

VERIFIED ACTIVE

LAST COMMIT 2026-05-19 · ★ 2 · #99 OF 99 MAINTAINED COMMUNICATION · VERIFIED 2026-08-25

Apache-2.0 · Go servers · how we verify → /methodology

01 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

license Apache-2.0 - declared in the repository

registry namespace io.github.synapbus is GitHub-verified and matches the repo owner

02 · What Synapbus can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.17.0 · 2026-05-08

v0.14.6 · 2026-03-27

v0.14.5 · 2026-03-26

03 · Who maintains Synapbus

synapbus is maintained by synapbus. It's the only MCP server we track from this author; the repo dates to Mar 2026.

04 · Facts

repository
github.com/synapbus/synapbus
category
communication - ranked #99 of 99 actively-maintained communication servers as of 2026-08-25.
registry
io.github.synapbus/synapbus (active, first published 2026-03-17 · 17 versions)

05 · Synapbus FAQ

What is Synapbus?

Local-first, MCP-native agent-to-agent messaging service. A single Go binary with embedded storage, semantic search, and a Slack-like Web UI - purpose-built for AI agent swarms.

Is Synapbus still maintained?

Yes - as of 2026-08-25, its last commit was 2026-05-19. We re-verify nightly.

06 · Alternatives to Synapbus

Alternatives to Synapbus

Maintained communication servers if Synapbus isn't the fit.

  1. Draw Io Create diagrams in chat, rendered as live interactive draw.io diagrams. 10,000+ searchable shapes. ★ 5,265 · 2026-08-03
  2. Mockserver Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP. ★ 4,949 · 2026-08-22
  3. Agent Swarm Full Agent Swarm API and MCP server with local SQLite storage for multi-agent orchestration. ★ 720 · 2026-08-24
  4. Evolution API MCP server for Evolution API - WhatsApp messaging, instances, contacts ★ 269 · 2026-08-12
  5. Agenticmail MCP Server Real email and SMS for AI agents - send mail, receive verification codes, drive a real inbox. ★ 205 · 2026-08-13
  6. Ksail SDK for creating, managing, and operating Kubernetes clusters and workloads with ease. ★ 165 · 2026-08-25

Pairs well with

Servers that cover what Synapbus doesn't - only shown when the pairing reason fits the companion.

  1. Basic Memory → productivity companion productivity · ★ 3,749
  2. Praison AI → productivity companion productivity · ★ 8,955
  3. Emailmd → email companion email · ★ 1,303
  4. Email MCP → email companion email · ★ 101

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