PubChem PUG REST API MCP Server for OpenAI Agents SDK 4 tools — connect in under 2 minutes
The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect PubChem PUG REST API through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
async with MCPServerStreamableHttp(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
) as mcp_server:
agent = Agent(
name="PubChem PUG REST API Assistant",
instructions=(
"You help users interact with PubChem PUG REST API. "
"You have access to 4 tools."
),
mcp_servers=[mcp_server],
)
result = await Runner.run(
agent, "List all available tools from PubChem PUG REST API"
)
print(result.final_output)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About PubChem PUG REST API MCP Server
Empower your AI agent to orchestrate your entire chemical research and compound auditing workflow with the PubChem PUG REST API, the authoritative source for molecular data from the National Library of Medicine. By connecting PubChem to your agent, you transform complex chemical searches into a natural conversation. Your agent can instantly retrieve compound details, audit molecular formulas, and query specific Compound Identifiers (CIDs) without you ever touching a scientific portal. Whether you are conducting pharmacological research or managing laboratory constraints, your agent acts as a real-time chemical consultant, ensuring your data is always verified and precise.
The OpenAI Agents SDK auto-discovers all 4 tools from PubChem PUG REST API through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries PubChem PUG REST API, another analyzes results, and a third generates reports, all orchestrated through Vinkius.
What you can do
- Compound Auditing — Search for thousands of chemical compounds by name or keyword and retrieve detailed metadata, including IUPAC names and formulas.
- CID Oversight — Audit specific Compound Identifiers (CIDs) to understand the technical reach of your chemical data instantly.
- Formula Discovery — Query molecular formulas for specific compounds to assist in deep-dive archival classification.
- Metadata Intelligence — Retrieve high-resolution technical properties for any chemical record to assist in scientific auditing.
- Operational Monitoring — Check API status to ensure your chemical research workflow is always operational.
The PubChem PUG REST API MCP Server exposes 4 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect PubChem PUG REST API to OpenAI Agents SDK via MCP
Follow these steps to integrate the PubChem PUG REST API MCP Server with OpenAI Agents SDK.
Install the SDK
Run pip install openai-agents in your Python environment
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com
Run the script
Save the code above and run it: python agent.py
Explore tools
The agent will automatically discover 4 tools from PubChem PUG REST API
Why Use OpenAI Agents SDK with the PubChem PUG REST API MCP Server
OpenAI Agents SDK provides unique advantages when paired with PubChem PUG REST API through the Model Context Protocol.
Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety
Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output
PubChem PUG REST API + OpenAI Agents SDK Use Cases
Practical scenarios where OpenAI Agents SDK combined with the PubChem PUG REST API MCP Server delivers measurable value.
Automated workflows: build agents that query PubChem PUG REST API, process the data, and trigger follow-up actions autonomously
Multi-agent orchestration: create specialist agents. one queries PubChem PUG REST API, another analyzes results, a third generates reports
Data enrichment pipelines: stream data through PubChem PUG REST API tools and transform it with OpenAI models in a single async loop
Customer support bots: agents query PubChem PUG REST API to resolve tickets, look up records, and update statuses without human intervention
PubChem PUG REST API MCP Tools for OpenAI Agents SDK (4)
These 4 tools become available when you connect PubChem PUG REST API to OpenAI Agents SDK via MCP:
check_api_status
Check if the PubChem PUG REST service is operational
get_compound_by_cid
Get comprehensive details for a chemical compound by CID
get_compound_by_name
Get comprehensive details for a chemical compound by name
search_compound_cids
Search for compound CIDs matching a name or keyword
Example Prompts for PubChem PUG REST API in OpenAI Agents SDK
Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with PubChem PUG REST API immediately.
"Get details for compound 'Aspirin' using PubChem."
"What is the molecular formula for CID '2519'?"
"Search for compound CIDs matching 'glucose'."
Troubleshooting PubChem PUG REST API MCP Server with OpenAI Agents SDK
Common issues when connecting PubChem PUG REST API to OpenAI Agents SDK through the Vinkius, and how to resolve them.
MCPServerStreamableHttp not found
pip install --upgrade openai-agentsAgent not calling tools
PubChem PUG REST API + OpenAI Agents SDK FAQ
Common questions about integrating PubChem PUG REST API MCP Server with OpenAI Agents SDK.
How does the OpenAI Agents SDK connect to MCP?
MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.Can I use multiple MCP servers in one agent?
MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.Does the SDK support streaming responses?
Connect PubChem PUG REST API with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect PubChem PUG REST API to OpenAI Agents SDK
Get your token, paste the configuration, and start using 4 tools in under 2 minutes. No API key management needed.