SERVER

Portunus

Rank #9,756

io.github.mdostal/portunus

Secret broker for agents: reference secrets by name; values injected only at the execution boundary.

1 version

2 GitHub stars

by mdostal (2 servers)View repository ↗

First listed

Sep 2, 2026

Last publish date

Oct 21, 2026

PURPOSE

What you can do with Portunus

Portunus is a Model Context Protocol (MCP) server published by mdostal. It ranks #9,756 of 171,126 active servers on MCP Toplist, and its repository has 2 GitHub stars. Portunus is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Sep 2, 2026 and most recently updated on Oct 21, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Portunus can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Portunus

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by Glama, last synced Nov 7, 2026. Not independently verified by MCP Toplist.

No runtime, credential or payment requirements are recorded for this server beyond the declaration above.

INSTALLATION AND FIRST TASK

Connect Portunus and confirm it works

Docker image

claude mcp add portunus -- docker run -i --rm -v portunus-home:/home/portunus/.portunus ghcr.io/mdostal/portunus:0.34.0 mcp

Docker image

[mcp_servers.portunus]
command = "docker"
args = ["run", "-i", "--rm", "-v", "portunus-home:/home/portunus/.portunus", "ghcr.io/mdostal/portunus:0.34.0", "mcp"]

Add to ~/.codex/config.toml.

Docker image

{
  "mcpServers": {
    "portunus": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "portunus-home:/home/portunus/.portunus",
        "ghcr.io/mdostal/portunus:0.34.0",
        "mcp"
      ]
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config).

Docker image

{
  "mcpServers": {
    "portunus": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "portunus-home:/home/portunus/.portunus",
        "ghcr.io/mdostal/portunus:0.34.0",
        "mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

Docker image

{
  "servers": {
    "portunus": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "portunus-home:/home/portunus/.portunus",
        "ghcr.io/mdostal/portunus:0.34.0",
        "mcp"
      ]
    }
  }
}

Save as .vscode/mcp.json in your workspace.

Docker image

{
  "mcpServers": {
    "portunus": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "portunus-home:/home/portunus/.portunus",
        "ghcr.io/mdostal/portunus:0.34.0",
        "mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Docker image

{
  "mcpServers": {
    "portunus": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "portunus-home:/home/portunus/.portunus",
        "ghcr.io/mdostal/portunus:0.34.0",
        "mcp"
      ]
    }
  }
}

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by mdostal

rolodex#25,511

View all mdostal servers →

No task-specific alternatives are catalogued for Portunusyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Sep 2, 2026
Latest version published: Oct 21, 2026
Version history: 1 version tracked (below)
Requirements evidence: Declared by Glama, last synced Nov 7, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Nov 7, 2026

Registry sightings

Official MCP ↗listed since Oct 21, 2026 · still listed
Glama ↗listed since Oct 21, 2026 · still listed

Do you maintain Portunus? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
0.34.0	Oct 21, 2026

STANDING

#9,756of 171,126 active serversTop 10%

Ranks ahead of 161,370 of 171,126 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.mdostal%2Fportunus.svg)](https://mcptoplist.com/server/io.github.mdostal%2Fportunus)

HTML

<a href="https://mcptoplist.com/server/io.github.mdostal%2Fportunus"><img src="https://mcptoplist.com/badge/io.github.mdostal%2Fportunus.svg" alt="MCP Toplist: Top 10% of 171,126" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Portunus?: Portunus is maintained by mdostal, which publishes 2 MCP servers (4 total versions) tracked on MCP Toplist.
Is Portunus listed on the Official MCP Registry?: Yes — Portunus is listed on the Official MCP Registry, alongside Glama.
How many versions does Portunus have?: MCP Toplist tracks 1 version of Portunus, most recently published on Oct 21, 2026.
Where can I find the source code for Portunus?: The source code for Portunus is hosted at github.com/mdostal/portunus.

Used in projects

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EXPLORE

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