How to Use the Glob Pattern Tester MCP in OpenAI Agents SDK

Q: How do I install the Glob Pattern Tester in OpenAI Agents SDK?

Install the package using pip install openai-agents. Set up the MCPServerStreamableHttp client pointing to the Vinkius endpoint, and then pass it to your agent constructor.

Q: Can Glob Pattern Tester handle gitignore rules inside my OpenAI Agents SDK pipeline?

Yes, the testglob tool uses the standard minimatch algorithm to evaluate gitignore patterns. Your agent can check paths against these patterns to skip ignored files.

Q: Does this MCP Server support caching tool lists?

Yes, you should set cacheToolsList=True in your OpenAI Agents SDK configuration. This improves performance by avoiding extra network roundtrips to fetch the testglob definition.

Q: How does the agent handle invalid glob patterns?

The testglob tool returns a clear error if the pattern is malformed. Your agent can catch this error and ask for a corrected pattern.

Stop your OpenAI Agents SDK system from scanning the wrong files by validating glob patterns before execution.

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Connect Glob Pattern Tester MCP to OpenAI Agents SDK

Create your Vinkius account to connect Glob Pattern Tester to OpenAI Agents SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Glob Pattern Tester with OpenAI Agents SDK

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Validate paths with the `test_glob` tool

The `test_glob` tool verifies whether a file path matches a specific glob pattern using the exact algorithm npm and git use. Your agent can call this tool to prevent path traversal issues or incorrect file matches before running downstream steps. Instead of letting an agent guess if a file belongs in a build, this tool returns a strict boolean. This is the exact tool you need when setting up guardrails inside your OpenAI Agents SDK.

Prevent runaway agent loops in OpenAI Agents SDK

The `test_glob` tool helps prevent runaway agent loops by checking file paths before your agent acts on them. When you deploy agents to production, they often need to inspect directories. Hooking this MCP Server up to your agent system ensures file paths are filtered correctly using `test_glob`. You can trace every single match operation directly in your OpenAI dashboard.

Secure deploy filters for production agents

The `test_glob` tool runs inside a zero-trust sandbox to keep your file structures private. This MCP Server only sees the string patterns and paths you send it, keeping your system secure. By passing this tool to your OpenAI Agents SDK, you enforce strict rules on which configuration files your agents can read. It acts as a lightweight firewall for file paths.

Setup guide

Set up Glob Pattern Tester MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Glob Pattern Tester tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Glob Pattern Tester tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Glob Pattern Tester tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Glob Pattern Tester Agent",
            instructions="You have access to Glob Pattern Tester tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

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Common questions about Glob Pattern Tester MCP in OpenAI Agents SDK

Install the package using `pip install openai-agents`. Set up the `MCPServerStreamableHttp` client pointing to the Vinkius endpoint, and then pass it to your agent constructor.

Yes, the `test_glob` tool uses the standard minimatch algorithm to evaluate gitignore patterns. Your agent can check paths against these patterns to skip ignored files.

Yes, you should set `cacheToolsList=True` in your OpenAI Agents SDK configuration. This improves performance by avoiding extra network roundtrips to fetch the `test_glob` definition.

The `test_glob` tool returns a clear error if the pattern is malformed. Your agent can catch this error and ask for a corrected pattern.

The MCP Server only processes the raw text strings for the path and the pattern inside an ephemeral sandbox. No actual files from your disk are read or stored, ensuring your file structure remains private.

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