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Bus MCP server

by jaimenbell·io.github.jaimenbell/bus-mcp·v0.1.1
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MCP server fronting a self-hosted coordination-bus HTTP API: post/read/claim/release/heartbeat.

A89/100grade A
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Safety scan
A89/100

full report

Adoption
Growing

0 stars43 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Bus tools (7, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • _error_payload
  • claim_lane
  • get_bus_status
  • heartbeat_lane
  • post_messagewrite action
  • read_messages

    Recent bus messages, newest first, optionally filtered by topic.

  • release_lane

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 9 days ago15/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 89/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Bus compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
89/100
higher than 80% of 48,273 servers
Tools
7
the typical server has 7
Tools that change things
14%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
43
more than 36% of 11,915 servers with a package

What its tools let an agent do: 6 read · 1 send or post

Install Bus in Claude Code, Cursor or VS Code

claude mcp add bus-mcp -- uvx bus-mcp
Add to Cursor

What the publisher says

From the Bus repository's README, as published. We do not edit it. Read it on GitHub

bus-mcp

An ergonomic MCP server fronting the self-hosted AlphaHive coordination bus (backend/coordinationbus.py in the alphahive repo) -- so a Claude agent calls claimlane("feeds-refactor", owner="session-A") instead of hand-rolling curl -X POST .../lanes/feeds-refactor/claim -d '{...}'. Built to the desktop-mcp/github-mcp standard (own pyproject, fastmcp server, honest README, real test suite) -- this is that exact "MCP over an HTTP API" pattern turned on our own self-hosted API.

Quickstart (60 seconds)

pip install bus-mcp

Add to your Claude Desktop/Code MCP config:

{
  "mcpServers": {
    "bus-mcp": {
      "command": "bus-mcp"
    }
  }
}

No console script on PATH? Fall back to "command": "python", "args": ["-m", "bus_mcp"]. By default this talks to a bus at http://127.0.0.1:8100/api/bus -- see "Env vars" below to point it elsewhere.

What this is / is not

This fronts a private, localhost-only, no-auth v1 coordination substrate -- not a public service. The bus itself is a blackboard (append-only messages) + a lane-claim registry (task-queue leases with steal-on-expiry) + a status rollup for a command-center panel. It executes nothing outward-facing: action_flag on a message is recorded and displayed only, never acted on by the bus. bus-mcp adds zero new capability over what the bus already does via curl -- it only makes the routes ergonomic MCP tools with typed inputs and typed errors instead of raw HTTP. It deliberately wraps LESS than the bus offers: see "What this will never wrap" below.

Tools

24 tools. Writes are gated (BUSMCPENABLE_WRITE); reads never are.

Messages and lanes

Threads -- topics are the broadcast log; threads are how two agents (or an agent and a human) hold one conversation with a beginning and an end.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Bus: common questions

Is Bus MCP server safe?
Yes, by our scan: it is graded A (89/100). Read the Bus safety report
How do I install Bus?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Bus need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Bus maintained?
The last commit was 48 days ago (2026-09-15). The latest release is v0.1.1.
How does Bus compare with other MCP servers?
safety score 89/100 (higher than 80% of 48,273 servers); tools 7 (the typical server has 7); tools that change things 14% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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