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[MCP] Add safety annotations to search tool #43

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Merged
vm-serpapi merged 1 commit into from
Jun 9, 2026
Merged

[MCP] Add safety annotations to search tool #43

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12 changes: 11 additions & 1 deletion src/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
from datetime import datetime
from pathlib import Path
import re
from mcp.types import ToolAnnotations

load_dotenv()

Expand Down Expand Up @@ -267,7 +268,16 @@ async def dispatch(self, request: Request, call_next):
"""


@mcp.tool(description=search_tool_description)
@mcp.tool(
description=search_tool_description,
annotations=ToolAnnotations(
title="SerpApi search",
readOnlyHint=True, # search is read-only; no state mutation
destructiveHint=False, # nothing deleted or modified
idempotentHint=False, # SERP can change between calls; cache is 1h
openWorldHint=True, # talks to external search engines
),
)
async def search(params: dict[str, Any] = None, mode: str = "complete") -> str:
"""Universal search tool supporting all SerpApi engines and result types.

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