Synapse RMCP (jmagar)

Rust MCP and CLI server for Docker, host inspection, SSH, logs, ZFS, and safe file operations.

People connecting cloud infrastructure tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-08-16 · ★ 2 · #71 OF 141 MAINTAINED CLOUD INFRASTRUCTURE · VERIFIED 2026-08-25

AGPL-3.0 · Rust servers · how we verify → /methodology

01 · Install Synapse RMCP (jmagar)

before you install - you'll need

Set SYNAPSE_MCP_HOST, SYNAPSE_MCP_PORT, SYNAPSE_MCP_TOKEN, SYNAPSE_MCP_AUTH_MODE before connecting.

Claude Code

claude mcp add jmagar-synapse-rmcp -- npx -y synapse-rmcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "jmagar-synapse-rmcp": {
      "command": "npx",
      "args": [
        "-y",
        "synapse-rmcp"
      ]
    }
  }
}

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 AGPL-3.0 - declared in the repository

npm package synapse-rmcp - unscoped; check the name against the project README before installing

registry vendor namespace ai.dinglebear - domain-verified with the official MCP registry

03 · What Synapse RMCP (jmagar) can do

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

Latest releases

v1.0.0 · 2026-08-02

normalize generated docs to ASCII before opening the PR · complete Synapse identity cutover · align fleet contracts and metadata · keep heavy Docker publishing release-only · pin rmcp 3.1.0 · move release jobs to…

v0.6.2 · 2026-07-28

0.6.2 (2026-07-28) · Fixed · complete comprehensive Synapse review remediation

v0.6.1 · 2026-07-18

0.6.1 (2026-07-18) · Fixed · support rmcp 2.2 mcporter responses · --- · After release-please publishes the GitHub Release, release.yml builds and attaches binaries.

04 · Who maintains Synapse RMCP (jmagar)

Synapse RMCP is maintained by jmagar. We track 13 MCP servers from jmagar - 10 actively maintained, 156 combined GitHub stars, oldest repo from Jun 2025. Full record: all servers from jmagar.

05 · Facts

repository: github.com/jmagar/synapse-rmcp
website: https://github.com/jmagar/synapse-rmcp
category: cloud infrastructure - ranked #71 of 141 actively-maintained cloud infrastructure servers as of 2026-08-25.
release cadence: 6 releases in the last 90 days (latest 2026-08-02)
registry: ai.dinglebear/synapse-rmcp (active, first published 2026-07-12)
packages: npm:synapse-rmcp

06 · Synapse RMCP (jmagar) FAQ

What is Synapse RMCP (jmagar)?

Rust MCP and CLI server for Docker, host inspection, SSH, logs, ZFS, and safe file operations.

Is Synapse RMCP (jmagar) still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-16 and it shipped 6 releases in the last 90 days. We re-verify nightly.

How do I install Synapse RMCP (jmagar)?

Run `npx -y synapse-rmcp`. The README documents 4 environment variables (SYNAPSE_MCP_HOST, SYNAPSE_MCP_PORT, SYNAPSE_MCP_TOKEN…) to set first. Set SYNAPSE_MCP_HOST, SYNAPSE_MCP_PORT, SYNAPSE_MCP_TOKEN, SYNAPSE_MCP_AUTH_MODE before connecting. You can also paste the ready-made client config above.

Does Synapse RMCP (jmagar) 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 Synapse RMCP (jmagar)

Alternatives to Synapse RMCP (jmagar)

Maintained cloud infrastructure servers if Synapse RMCP (jmagar) isn't the fit.

Pairs well with

Servers that cover what Synapse RMCP (jmagar) doesn't - only shown when the pairing reason fits the companion.

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