SERVER

Flow Nexus

Rank #6,573

io.github.ruvnet/flow-nexus

MCP server providing flow-nexus capabilities

2 versions

106 GitHub stars

by ruvnet (7 servers)View repository ↗

First listed

Aug 25, 2025

Last publish date

Sep 10, 2025

PURPOSE

What you can do with Flow Nexus

Flow Nexus is a Model Context Protocol (MCP) server published by ruvnet. It ranks #6,573 of 144,396 active servers on MCP Toplist, and its repository has 106 GitHub stars. Flow Nexus is listed across 2 registries — Official MCP and PulseMCP, with 2 tracked versions. It was first listed on Aug 25, 2025 and most recently updated on Sep 10, 2025.

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 Flow Nexus 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 Flow Nexus

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 the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

FLOW_NEXUS_API_KEY · optional
FLOW_NEXUS_BASE_URL · optional
E2B_API_KEY · optional
ANTHROPIC_API_KEY · optional

INSTALLATION AND FIRST TASK

Connect Flow Nexus and confirm it works

npm package

claude mcp add flow-nexus -e "FLOW_NEXUS_API_KEY=<your FLOW_NEXUS_API_KEY>" -e "FLOW_NEXUS_BASE_URL=<your FLOW_NEXUS_BASE_URL>" -e "E2B_API_KEY=<your E2B_API_KEY>" -e "ANTHROPIC_API_KEY=<your ANTHROPIC_API_KEY>" -- npx -y flow-nexus

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.flow-nexus]
command = "npx"
args = ["-y", "flow-nexus"]

[mcp_servers.flow-nexus.env]
FLOW_NEXUS_API_KEY = "<your FLOW_NEXUS_API_KEY>"
FLOW_NEXUS_BASE_URL = "<your FLOW_NEXUS_BASE_URL>"
E2B_API_KEY = "<your E2B_API_KEY>"
ANTHROPIC_API_KEY = "<your ANTHROPIC_API_KEY>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "flow-nexus": {
      "command": "npx",
      "args": [
        "-y",
        "flow-nexus"
      ],
      "env": {
        "FLOW_NEXUS_API_KEY": "<your FLOW_NEXUS_API_KEY>",
        "FLOW_NEXUS_BASE_URL": "<your FLOW_NEXUS_BASE_URL>",
        "E2B_API_KEY": "<your E2B_API_KEY>",
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "flow-nexus": {
      "command": "npx",
      "args": [
        "-y",
        "flow-nexus"
      ],
      "env": {
        "FLOW_NEXUS_API_KEY": "<your FLOW_NEXUS_API_KEY>",
        "FLOW_NEXUS_BASE_URL": "<your FLOW_NEXUS_BASE_URL>",
        "E2B_API_KEY": "<your E2B_API_KEY>",
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "flow-nexus": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "flow-nexus"
      ],
      "env": {
        "FLOW_NEXUS_API_KEY": "<your FLOW_NEXUS_API_KEY>",
        "FLOW_NEXUS_BASE_URL": "<your FLOW_NEXUS_BASE_URL>",
        "E2B_API_KEY": "<your E2B_API_KEY>",
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "flow-nexus": {
      "command": "npx",
      "args": [
        "-y",
        "flow-nexus"
      ],
      "env": {
        "FLOW_NEXUS_API_KEY": "<your FLOW_NEXUS_API_KEY>",
        "FLOW_NEXUS_BASE_URL": "<your FLOW_NEXUS_BASE_URL>",
        "E2B_API_KEY": "<your E2B_API_KEY>",
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "flow-nexus": {
      "command": "npx",
      "args": [
        "-y",
        "flow-nexus"
      ],
      "env": {
        "FLOW_NEXUS_API_KEY": "<your FLOW_NEXUS_API_KEY>",
        "FLOW_NEXUS_BASE_URL": "<your FLOW_NEXUS_BASE_URL>",
        "E2B_API_KEY": "<your E2B_API_KEY>",
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

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 ruvnet

View all ruvnet servers →

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

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Aug 25, 2025
Latest version published: Sep 10, 2025
Version history: 2 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 16, 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: Aug 28, 2026

Registry sightings

Official MCP ↗listed since Apr 25, 2026 · still listed
PulseMCP ↗listed since Jun 4, 2026 · still listed

Do you maintain Flow Nexus? to correct or enrich this profile.

VERSIONS

Available versions (2)

Version	Published
0.1.121	Sep 10, 2025
0.1.0	Nov 25, 2024

STANDING

#6,573of 144,396 active serversTop 5%

Ranks ahead of 137,823 of 144,396 servers on MCP Toplist.

Recent momentum

+19GitHub stars since Apr 27 (+22%)

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.ruvnet%2Fflow-nexus.svg)](https://mcptoplist.com/server/io.github.ruvnet%2Fflow-nexus)

HTML

<a href="https://mcptoplist.com/server/io.github.ruvnet%2Fflow-nexus"><img src="https://mcptoplist.com/badge/io.github.ruvnet%2Fflow-nexus.svg" alt="MCP Toplist: Top 5% of 144,396" /></a>

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

FAQ

Frequently asked questions

Who maintains Flow Nexus?: Flow Nexus is maintained by ruvnet, which publishes 7 MCP servers (12 total versions) tracked on MCP Toplist.
Is Flow Nexus listed on the Official MCP Registry?: Yes — Flow Nexus is listed on the Official MCP Registry, alongside PulseMCP.
How many versions does Flow Nexus have?: MCP Toplist tracks 2 versions of Flow Nexus, most recently published on Sep 10, 2025.
Where can I find the source code for Flow Nexus?: The source code for Flow Nexus is hosted at github.com/ruvnet/flow-nexus.

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