|
| 1 | +""" |
| 2 | +DroidMind client utilities. |
| 3 | +
|
| 4 | +This module backs the `droidmind-client` console script. It provides simple |
| 5 | +connectivity checks and introspection helpers for a running DroidMind server. |
| 6 | +""" |
| 7 | + |
| 8 | +from __future__ import annotations |
| 9 | + |
| 10 | +from contextlib import AsyncExitStack |
| 11 | +import json |
| 12 | + |
| 13 | +import anyio |
| 14 | +import click |
| 15 | +from mcp.client.session import ClientSession |
| 16 | +from mcp.client.sse import sse_client |
| 17 | + |
| 18 | + |
| 19 | +def _normalize_sse_url(url: str) -> str: |
| 20 | + # Many MCP clients use `sse://` as a scheme alias for HTTP. |
| 21 | + if url.startswith("sse://"): |
| 22 | + return "http://" + url.removeprefix("sse://") |
| 23 | + if url.startswith("sses://"): |
| 24 | + return "https://" + url.removeprefix("sses://") |
| 25 | + return url |
| 26 | + |
| 27 | + |
| 28 | +async def _list_tools(url: str, connect_timeout: float) -> int: |
| 29 | + try: |
| 30 | + async with AsyncExitStack() as stack: |
| 31 | + read_stream, write_stream = await stack.enter_async_context( |
| 32 | + sse_client(_normalize_sse_url(url), timeout=connect_timeout) |
| 33 | + ) |
| 34 | + session = await stack.enter_async_context(ClientSession(read_stream, write_stream)) |
| 35 | + await session.initialize() |
| 36 | + result = await session.list_tools() |
| 37 | + except Exception as exc: # noqa: BLE001 - CLI boundary |
| 38 | + click.echo(f"Failed to connect/list tools: {exc}", err=True) |
| 39 | + return 1 |
| 40 | + |
| 41 | + click.echo(json.dumps([t.model_dump(mode="json") for t in result.tools], indent=2)) |
| 42 | + return 0 |
| 43 | + |
| 44 | + |
| 45 | +@click.group(context_settings={"help_option_names": ["-h", "--help"]}, no_args_is_help=True) |
| 46 | +def cli() -> None: |
| 47 | + """Utilities for connecting to a running DroidMind MCP server.""" |
| 48 | + |
| 49 | + |
| 50 | +@cli.command("list-tools") |
| 51 | +@click.option( |
| 52 | + "--url", |
| 53 | + default="sse://127.0.0.1:4256/sse", |
| 54 | + show_default=True, |
| 55 | + help="SSE endpoint URL (accepts sse://, sses://, http://, https://).", |
| 56 | +) |
| 57 | +@click.option("--timeout", default=5.0, show_default=True, type=float, help="HTTP timeout for connection setup.") |
| 58 | +def list_tools(url: str, timeout: float) -> None: |
| 59 | + """List available tools from a running DroidMind server (JSON).""" |
| 60 | + raise SystemExit(anyio.run(_list_tools, url, timeout)) |
| 61 | + |
| 62 | + |
| 63 | +def main() -> None: |
| 64 | + cli() |
| 65 | + |
| 66 | + |
| 67 | +if __name__ == "__main__": # pragma: no cover |
| 68 | + main() |
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