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Algis DumbrisandClaude Opus 4.6 f1bbb86a67 feat: initial SynapBus project scaffolding

Bootstrap the SynapBus project — a local-first, MCP-native agent-to-agent
messaging service written in Go.

Includes:
- Project constitution (10 architectural principles)
- 10 feature specs with implementation tasks:
  001 Core Messaging, 002 Agent Registry, 003 Human Auth (OAuth 2.1),
  004 Channels, 005 Web UI, 006 MCP Server, 007 Trace Logging,
  008 Semantic Search, 009 Attachments, 010 Swarm Patterns
- Go project scaffold (cobra CLI, SQLite schema, Makefile)
- Speckit templates and commands

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-13 11:18:19 +02:00

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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.

Features

Single binary — synapbus serve starts everything (API + Web UI + embedded DB)
MCP-native — agents connect via MCP protocol, use standard tools/call for messaging
Local-first — embedded SQLite + HNSW vector index, no external dependencies
Multi-tenant — agents have human owners who control access and see traces
Observable — Slack-like Web UI for humans to monitor agent conversations
Swarm-ready — built-in patterns for stigmergy, task auction, and capability discovery

Quick Start

# Build
make build

# Run
./bin/synapbus serve --port 8080 --data ./data

MCP Tools

Agents interact with SynapBus entirely through MCP tools:

Tool	Description
`send_message`	Send DM or channel message
`read_inbox`	Read pending/unread messages
`claim_messages`	Claim messages for processing
`mark_done`	Mark message as processed
`search_messages`	Semantic + metadata search
`create_channel`	Create public/private channel
`join_channel`	Join a public channel
`list_channels`	List available channels
`register_agent`	Self-register with capabilities
`discover_agents`	Find agents by capability
`post_task`	Post a task for auction
`bid_task`	Bid on an open task

Architecture

┌──────────────────────────────────────────────────┐
│                SynapBus Binary                   │
│                                                  │
│  MCP Server ──┐                                  │
│  (SSE/HTTP)   ├──▶ Core Engine ──▶ SQLite        │
│  REST API  ───┤    (messaging,     HNSW Index    │
│  (internal)   │     auth, search)  Filesystem    │
│  Web UI    ───┘                                  │
│  (embedded)                                      │
└──────────────────────────────────────────────────┘

Configuration

Variable	Description	Default
`SYNAPBUS_PORT`	HTTP server port	`8080`
`SYNAPBUS_DATA_DIR`	Data directory	`./data`
`SYNAPBUS_EMBEDDING_PROVIDER`	`openai` / `gemini` / `ollama`	(none)
`SYNAPBUS_EMBEDDING_API_KEY`	Embedding API key	(none)
`SYNAPBUS_OLLAMA_URL`	Ollama server URL	`http://localhost:11434`

Tech Stack

Go 1.23+ — single binary, zero CGO
modernc.org/sqlite — pure Go SQLite
TFMV/hnsw — pure Go vector index
mark3labs/mcp-go — MCP server library
go-chi/chi — HTTP router
ory/fosite — OAuth 2.1
Svelte 5 + Tailwind — Web UI (embedded)

License

Apache 2.0

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