# walkerOS Flow

This MCP server lets an agent inspect walkerOS event flows, run simulations, create bundles, and send them onward. It runs on the local machine.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed · ★ 347
- Author: elbwalker
- License: MIT · policy=link-only · description only; the file stays with the author
- Source: https://github.com/elbwalker/walkerOS/tree/HEAD/packages/mcps/mcp
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/mcp/walkeros-flow

## What it does

walkerOS Flow is a local MCP process that communicates with clients over stdio. Once connected, an agent can inspect event-flow definitions, test their behavior in a simulation, create a bundle, and push the result. The client starts the server through `npx` using the `@walkeros/mcp` package.

Claude Code can register it with `WALKEROS_TOKEN`. Other setup variants pass `WALKEROS_PROJECT_ID` and `WALKEROS_APP_URL` as environment variables as well. The token is required for the connection, so a setup without `WALKEROS_TOKEN` will not work.

The package handles flows on the local machine. Data held by the walkerOS app is covered by a separate hosted endpoint described in the source, so this local process is a different route to the service.

## Requirements
- Needs: Node.js (commands run via npx)
- Environment variables: `WALKEROS_TOKEN`, `WALKEROS_PROJECT_ID`, `WALKEROS_APP_URL` — keys and tokens: ask the human for the values, never commit them or put them in shared files.

## Install

### Claude Code (native platform)

**Platform CLI**
```bash
claude mcp add --env WALKEROS_TOKEN=<WALKEROS_TOKEN> --env WALKEROS_PROJECT_ID=<WALKEROS_PROJECT_ID> --env WALKEROS_APP_URL=<WALKEROS_APP_URL> --transport stdio mcp -- npx -y @walkeros/mcp
```
Replace <…> with your own values

### Codex

**Platform CLI**
```bash
codex mcp add mcp --env WALKEROS_TOKEN=<WALKEROS_TOKEN> --env WALKEROS_PROJECT_ID=<WALKEROS_PROJECT_ID> --env WALKEROS_APP_URL=<WALKEROS_APP_URL> -- npx -y @walkeros/mcp
```
Replace <…> with your own values

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@walkeros/mcp"
            ],
            "env": {
                "WALKEROS_TOKEN": "<WALKEROS_TOKEN>",
                "WALKEROS_PROJECT_ID": "<WALKEROS_PROJECT_ID>",
                "WALKEROS_APP_URL": "<WALKEROS_APP_URL>"
            }
        }
    }
}
```
Replace <…> with your own values

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "mcp": {
            "type": "stdio",
            "command": "npx",
            "args": [
                "-y",
                "@walkeros/mcp"
            ],
            "env": {
                "WALKEROS_TOKEN": "<WALKEROS_TOKEN>",
                "WALKEROS_PROJECT_ID": "<WALKEROS_PROJECT_ID>",
                "WALKEROS_APP_URL": "<WALKEROS_APP_URL>"
            }
        }
    }
}
```
Replace <…> with your own values

### Gemini CLI

**Platform CLI**
```bash
gemini mcp add -e WALKEROS_TOKEN=<WALKEROS_TOKEN> -e WALKEROS_PROJECT_ID=<WALKEROS_PROJECT_ID> -e WALKEROS_APP_URL=<WALKEROS_APP_URL> mcp npx -y @walkeros/mcp
```
Replace <…> with your own values

## When to use it
- inspect walkerOS event flows
- run a flow simulation
- create a deployable bundle
- push a completed flow

## Example prompts
- Inspect this walkerOS event flow and report configuration problems.
- Run a simulation of the flow and explain which events continue through it.
- Create a bundle for this flow and push the result using the connected MCP server.

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From the same set: [elbwalker/walkeros](https://affpapa.org/en/nevibecode/by/elbwalker/walkeros.md) — 2 cards

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NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md