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feat: Add MCP integration #80

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ba77c62
feat: Add MCP integration
Dec 14, 2025
93b3930
Add MCP integration improvements and refactoring
Dec 19, 2025
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24 changes: 24 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,30 @@ curl -X POST http://localhost:8080/v1/chat/completions \
}'
```

#### MCP Integration

dnet exposes an MCP server at `/mcp` for use with Claude Desktop, Cursor, and other MCP clients.

Add this to your MCP config:

```json
{
"mcpServers": {
"dnet": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"http://localhost:8080/mcp",
"--allow-http"
]
}
}
}
```

Available tools: `chat_completion`, `load_model`, `unload_model`, `list_models`, `get_status`, `get_cluster_details`.

#### Devices

You can get the list of discoverable devices with:
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1 change: 1 addition & 0 deletions pyproject.toml
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Expand Up @@ -38,6 +38,7 @@ dependencies = [
"dnet-p2p @ file://${PROJECT_ROOT}/lib/dnet-p2p/bindings/py",
"rich>=13.0.0",
"psutil>=5.9.0",
"fastmcp",
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Copilot AI Dec 14, 2025

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The fastmcp dependency is not version-pinned, while other dependencies in the project have specific version constraints (e.g., mlx-lm==0.28.2, huggingface-hub==0.24.0) or minimum versions (e.g., numpy>=1.24.0). Consider adding a version constraint to ensure reproducible builds and avoid potential breaking changes from future fastmcp releases.

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"fastmcp",
"fastmcp==1.0.0",

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Copilot AI Dec 18, 2025

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The fastmcp dependency lacks a version constraint. For reproducible builds and to avoid potential breaking changes, it's recommended to pin or constrain the version (e.g., "fastmcp>=0.1.0,<1.0.0" or "fastmcp==0.x.y").

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"fastmcp",
"fastmcp>=0.1.0,<1.0.0",

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]

[project.optional-dependencies]
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16 changes: 15 additions & 1 deletion src/dnet/api/http_api.py
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Expand Up @@ -25,6 +25,7 @@
from .inference import InferenceManager
from .model_manager import ModelManager
from dnet_p2p import DnetDeviceProperties
from .mcp_handler import create_mcp_server


class HTTPServer:
Expand All @@ -41,9 +42,22 @@ def __init__(
self.inference_manager = inference_manager
self.model_manager = model_manager
self.node_id = node_id
self.app = FastAPI()
self.http_server: Optional[asyncio.Task] = None

# Create MCP server first to get lifespan
mcp = create_mcp_server(
inference_manager, model_manager, cluster_manager
)
# Use path='/' since we're mounting at /mcp, so final path will be /mcp/
mcp_app = mcp.http_app(path="/")

# Create FastAPI app with MCP lifespan
self.app = FastAPI(lifespan=mcp_app.lifespan)

# Mount MCP server as ASGI app
self.app.mount("/mcp", mcp_app)


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Copilot AI Dec 18, 2025

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Extra blank line after the mount statement. While not critical, there's an unnecessary blank line at line 60 that should be removed to maintain consistent spacing in the codebase.

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async def start(self, shutdown_trigger: Any = lambda: asyncio.Future()) -> None:
await self._setup_routes()

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