Fastn MCP Server for Mastra AIGive Mastra AI instant access to 16 tools to Archive Workflow, Cancel Execution, Create Workflow, and more
GDPR Free for SubscribersMastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Fastn through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
Ask AI about this MCP Server for Mastra AI
The Fastn MCP Server for Mastra AI is a standout in the Developer Tools category — giving your AI agent 16 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"fastn": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Fastn Agent",
instructions:
"You help users interact with Fastn " +
"using 16 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Fastn?"
);
console.log(result.text);
}
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 Fastn MCP Server
Connect your Fastn account to any AI agent to orchestrate complex backend workflows and real-time API flows through natural language.
Mastra's agent abstraction provides a clean separation between LLM logic and Fastn tool infrastructure. Connect 16 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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 Mastra AI 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 Mastra AI
When Mastra AI 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 execution on Fastn
Cancel a running execution
Create workflow on Fastn
Create a new flow definition
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 credentials on Fastn
Retrieve stored credentials
Get execution on Fastn
Get full step-by-step execution trace
Get quota daily on Fastn
Daily usage breakdown
Get quota summary on Fastn
Usage summary
Get quota usage on Fastn
Current usage against plan limits
Get workflow on Fastn
Get a flow full specification
List executions on Fastn
List execution history for a tenant
List workflows on Fastn
List all flow definitions for a tenant
Publish workflow on Fastn
Deploy / publish a flow
Rotate credentials on Fastn
Rotate credentials
Store credentials on Fastn
Store connector credentials
Update workflow on Fastn
Update a flow definition
Connect Fastn to Mastra AI via MCP
Follow these steps to wire Fastn into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Mastra AI with the Fastn MCP Server
Mastra AI provides unique advantages when paired with Fastn through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Fastn without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Fastn tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Fastn + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Fastn MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Fastn, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Fastn as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Fastn on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Fastn tools alongside other MCP servers
Example Prompts for Fastn in Mastra AI
Ready-to-use prompts you can give your Mastra AI 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 Mastra AI
Common issues when connecting Fastn to Mastra AI through Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpFastn + Mastra AI FAQ
Common questions about integrating Fastn MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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