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mlctl — ML Platform Agent

Natural language interface for the full ML lifecycle. Built as an MCP server so it plugs into any AI interface — Claude Desktop, VS Code, Slack bots, or a CLI.


The Problem

ML researchers and data scientists at scale context-switch across 4-5 tools just to do one thing:

  • Experiment tracker to check past runs

  • Training scheduler to kick off a new run

  • Model registry to register the best result

  • Deployment tool to push to staging

  • Monitoring dashboard to confirm it's live

mlctl collapses this into one natural language interface:

"Run a new experiment with lr=0.001, compare it to my last 5 runs, 
register the best one, and deploy it to staging."

The agent does all of it — step by step, explaining its reasoning, flagging anomalies.


Related MCP server: AWS MCP Infrastructure

Demo

╔══════════════════════════════════════════════════════════╗
║        mlctl — ML Platform Agent                         ║
╚══════════════════════════════════════════════════════════╝

USER: Compare all experiments, find the best one, register 
      it as netflix_recommender and deploy to staging.

🔧 Tool Call: list_experiments
   Result: [run_001 (acc: 0.882), run_002 (acc: 0.910), run_003 (acc: 0.925)]

🔧 Tool Call: compare_runs
   Result: Best run is run_003 with accuracy 0.9247

🔧 Tool Call: register_model
   Args: { run_id: run_003, model_name: netflix_recommender, stage: staging }
   Result: { registered: true, version: 3.0 }

🔧 Tool Call: deploy_model
   Args: { model_name: netflix_recommender, version: 3.0, environment: staging }
   Result: { deployed: true, endpoint: https://ml-platform.netflix.internal/... }

🤖 mlctl: Done. I compared all 3 experiments and identified run_003 
  (attention_recommender, accuracy: 92.47%) as the best performer. 
  It has been registered as netflix_recommender v3.0 and is now 
  live in staging at the endpoint above. Ready to promote to production 
  when you give the go-ahead.

Architecture

┌─────────────────────────────────────────────────────┐
│                  MCP Interface                       │
│   Claude Desktop · VS Code · Slack · CLI             │
└──────────────────────┬──────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────┐
│              MLOrchestrator (agent)                  │
│   Multi-step reasoning loop · Tool dispatch          │
│   Conversation history · Anomaly flagging            │
└──────┬──────────────────────────────────────────────┘
       │
       ├── ExperimentTools   → run, list, compare runs
       ├── ModelTools        → register, deploy, rollback
       └── PipelineTools     → trigger, monitor pipelines
                       │
┌──────────────────────▼──────────────────────────────┐
│              Model Adapter (swappable)               │
│   OpenAI (demo) · Netflix Internal Model (prod)      │
└──────────────────────┬──────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────┐
│              Platform Backend                        │
│   Mock (demo) → Netflix AI Platform APIs (prod)      │
└─────────────────────────────────────────────────────┘

Key design decision: The model adapter and platform backend are both swappable interfaces. Netflix plugs in their own LLM and real platform APIs without touching the agent logic.


Quick Start

# 1. Clone
git clone https://github.com/ssengupta93/Agents
cd Agents/mlctl

# 2. Install dependencies
pip install -e ".[dev]"

# 3. Set your API key
export OPENAI_API_KEY=your-key-here

# 4. Run the demo
python examples/demo.py

Use as MCP Server (Claude Desktop)

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "mlctl": {
      "command": "python",
      "args": ["/path/to/mlctl/server.py"],
      "env": {
        "OPENAI_API_KEY": "your-key-here",
        "MODEL_PROVIDER": "openai"
      }
    }
  }
}

Then open Claude Desktop and say:

"Use mlctl to show me recent experiments and deploy the best model to staging."


Swapping in Netflix's Internal Model

# mlctl/adapters/model_adapter.py

class NetflixModelAdapter(BaseModelAdapter):
    def __init__(self, endpoint: str, api_key: str):
        self.endpoint = endpoint
        self.api_key = api_key

    def chat(self, messages: list[dict], tools: list[dict] = None) -> dict:
        # Replace with Netflix's internal LLM SDK call
        raise NotImplementedError("Inject Netflix's internal model client here.")

Set MODEL_PROVIDER=netflix and the agent switches automatically.


What The Agent Can Do

Command (natural language)

What happens

"Show me recent experiments"

Lists last N runs with metrics

"Run a new experiment with lr=0.001"

Kicks off training, returns run ID + metrics

"Compare run_001 and run_003"

Diffs metrics, identifies best

"Register the best run as my_model"

Adds to model registry

"Deploy my_model to staging"

Deploys, returns endpoint

"What's the status of my_model?"

Returns current stage + accuracy

"Trigger the feature pipeline"

Starts pipeline, monitors status

"Rollback my_model to v1.0"

Rolls back deployment

"Do the whole thing end to end"

Chains all steps autonomously


Why MCP?

MCP (Model Context Protocol) is an open standard for connecting AI agents to tools. Building mlctl as an MCP server means:

  • Interface-agnostic — the same agent works in Claude Desktop, VS Code, a Slack bot, or a terminal

  • Composable — other MCP servers (feature store, monitoring, alerting) can be chained with mlctl

  • Netflix-ready — Netflix can wrap their existing platform APIs as MCP tools without rebuilding the agent layer


Project Structure

mlctl/
├── server.py                  # MCP server entry point
├── mlctl/
│   ├── agent/
│   │   └── orchestrator.py    # Multi-step reasoning loop
│   ├── tools/
│   │   ├── experiments.py     # Experiment management tools
│   │   ├── models.py          # Model registry + deployment tools
│   │   └── pipelines.py       # Pipeline orchestration tools
│   └── adapters/
│       └── model_adapter.py   # Swappable LLM interface
├── mock/
│   └── platform_mock.py       # Simulated Netflix platform APIs
└── examples/
    └── demo.py                # Full lifecycle demo

Roadmap

  • Eval harness — auto-generate regression tests between model versions

  • Anomaly detection — flag when new model metrics drop below threshold

  • Slack adapter — expose mlctl as a Slack slash command

  • Streaming responses — real-time token streaming for long-running operations

  • Multi-agent mode — parallel experiment runs with result aggregation


Built by Sourav Sengupta as a PoC for ML platform developer experience.
Inspired by the Netflix AI Platform team's work on Metaflow and the Model Development and Management platform.

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