Fastn MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 16 tools to Archive Workflow, Cancel Execution, Create Workflow, and more

Name: Fastn
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Fastn 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 for OpenAI Agents SDK

Open in ChatGPT Open in Claude Open in Perplexity

The Fastn MCP Server for OpenAI Agents SDK is a standout in the Developer Tools category — giving your AI agent 16 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

+ other MCP clients

python

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="Fastn Assistant",
            instructions=(
                "You help users interact with Fastn. "
                "You have access to 16 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Fastn"
        )
        print(result.final_output)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 Fastn MCP Server

Connect your Fastn account to any AI agent to orchestrate complex backend workflows and real-time API flows through natural language.

The OpenAI Agents SDK auto-discovers all 16 tools from Fastn through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Fastn, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

Flow Execution — Trigger Fastn flows instantly with custom JSON payloads and receive real-time responses via the API sync layer.
Workflow Management — List, create, update, and publish flow definitions across different tenants to maintain your business logic.
Execution Monitoring — Track execution history and drill down into step-by-step traces to debug or audit automated processes.
Credential Handling — Securely store, retrieve, and rotate credentials for your various connectors and third-party integrations.
Platform Insights — Monitor your platform usage, including daily quotas, summary metrics, and active space configurations.

The Fastn MCP Server exposes 16 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 16 Fastn tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to Fastn through Vinkius, your AI agent gets direct access to every tool listed below — spanning low-code, workflow-automation, api-integration, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

Archive workflow on Fastn

Deactivate / archive a flow

cancel

Cancel execution on Fastn

Cancel a running execution

create

Create workflow on Fastn

Create a new flow definition

execute

Execute flow on Fastn

The input object must match the Request Schema defined in the flow trigger. Execute a Fastn flow instantly (API Real-Time Sync)

get

Get credentials on Fastn

Retrieve stored credentials

get

Get execution on Fastn

Get full step-by-step execution trace

get

Get quota daily on Fastn

Daily usage breakdown

get

Get quota summary on Fastn

Usage summary

get

Get quota usage on Fastn

Current usage against plan limits

get

Get workflow on Fastn

Get a flow full specification

list

List executions on Fastn

List execution history for a tenant

list

List workflows on Fastn

List all flow definitions for a tenant

publish

Publish workflow on Fastn

Deploy / publish a flow

rotate

Rotate credentials on Fastn

Rotate credentials

store

Store credentials on Fastn

Store connector credentials

update

Update workflow on Fastn

Update a flow definition

Connect Fastn to OpenAI Agents SDK via MCP

Follow these steps to wire Fastn into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

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 16 tools from Fastn

Why Use OpenAI Agents SDK with the Fastn MCP Server

OpenAI Agents SDK provides unique advantages when paired with Fastn 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

Fastn + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Fastn MCP Server delivers measurable value.

Automated workflows: build agents that query Fastn, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Fastn, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Fastn tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Fastn to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for Fastn in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Fastn immediately.

"List all flow definitions for tenant 'main-prod'."

"Execute the 'data-sync' flow with input { "source": "crm" }."

"Show me the step-by-step execution trace for ID 'exec_789xyz' in tenant 'main-prod'."

Troubleshooting Fastn MCP Server with OpenAI Agents SDK

Common issues when connecting Fastn to OpenAI Agents SDK through Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Fastn + OpenAI Agents SDK FAQ

Common questions about integrating Fastn MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.