docs: parity for all translations

docs/pt-BR/tools/database-data/singlestoresearchtool.mdx

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+---
+title: SingleStore Search Tool
+description: The `SingleStoreSearchTool` safely executes SELECT/SHOW queries on SingleStore with pooling.
+icon: circle
+mode: "wide"
+---
+
+# `SingleStoreSearchTool`
+
+## Description
+
+Execute read‑only queries (`SELECT`/`SHOW`) against SingleStore with connection pooling and input validation.
+
+## Installation
+
+```shell
+uv add crewai-tools[singlestore]
+```
+
+## Environment Variables
+
+Variables like `SINGLESTOREDB_HOST`, `SINGLESTOREDB_USER`, `SINGLESTOREDB_PASSWORD`, etc., can be used, or `SINGLESTOREDB_URL` as a single DSN.
+
+Generate the API key from the SingleStore dashboard, [docs here](https://docs.singlestore.com/cloud/reference/management-api/#generate-an-api-key).
+
+## Example
+
+```python Code
+from crewai import Agent, Task, Crew
+from crewai_tools import SingleStoreSearchTool
+
+tool = SingleStoreSearchTool(
+    tables=["products"], 
+    host="host", 
+    user="user", 
+    password="pass", 
+    database="db",
+)
+
+agent = Agent(
+    role="Analyst", 
+    goal="Query SingleStore", 
+    tools=[tool], 
+    verbose=True,
+)
+
+task = Task(
+    description="List 5 products", 
+    expected_output="5 rows as JSON/text", 
+    agent=agent,
+)
+
+crew = Crew(
+    agents=[agent], 
+    tasks=[task],
+    verbose=True,
+)
+
+result = crew.kickoff()
+```
+
+