Janusmcp

One credential broker. Every account. From the CLI or MCP. Multi-account tool access for AI agents, with credentials kept local.

People who work with developer tools and mcp broker and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Go.

VERIFIED ACTIVE

LAST COMMIT 2026-09-12 · ★ 9 · #145 OF 945 MAINTAINED OTHER · VERIFIED 2026-09-18

MIT · Go servers · how we verify → /methodology

01 · Install Janusmcp

before you install - you'll need

Set SUPABASE_ACCESS_TOKEN, JANUS_CONFIG, JANUS_TRANSPORT, GOOGLE_OAUTH_CLIENT_ID before connecting.

Claude Code

claude mcp add bayway-janusmcp -- npx -y @bayway/janusmcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "bayway-janusmcp": {
      "command": "npx",
      "args": [
        "-y",
        "@bayway/janusmcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · 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.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @bayway/janusmcp - published under the repo owner's npm scope (@bayway)

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

03 · What Janusmcp can do

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

Latest releases

v0.6.0 · 2026-08-13

move GitHub Actions to Node 24 (#20) (@Bayway) · refresh Go integration libraries (#21) (@Bayway) · adopt MCP 2026-07-28 on both transports, keeping legacy clients unchanged (#26) (@Bayway) · clear mock upstream…

v0.5.1 · 2026-08-01

restore npm launcher binary path (#18) (@Bayway)

v0.5.0 · 2026-08-01

add managed local daemon (#17) (@Bayway)

04 · Who maintains Janusmcp

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

05 · Facts

repository: github.com/bayway/janusmcp
category: other - ranked #145 of 945 actively-maintained other servers as of 2026-09-18.
release cadence: 10+ releases in the last 90 days (latest 2026-08-13)
registry: io.github.Bayway/janusmcp (active, first published 2026-06-28 · 9 versions)
packages: npm:@bayway/janusmcp

06 · Janusmcp FAQ

What is Janusmcp?

One credential broker. Every account. From the CLI or MCP. Multi-account tool access for AI agents, with credentials kept local.

Is Janusmcp still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-12 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Janusmcp?

Run `npx -y @bayway/janusmcp`. The README documents 4 environment variables (SUPABASE_ACCESS_TOKEN, JANUS_CONFIG, JANUS_TRANSPORT…) to set first. Set SUPABASE_ACCESS_TOKEN, JANUS_CONFIG, JANUS_TRANSPORT, GOOGLE_OAUTH_CLIENT_ID before connecting. You can also paste the ready-made client config above.

Does Janusmcp run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Janusmcp

Alternatives to Janusmcp

Maintained other servers if Janusmcp isn't the fit.

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