Bring Social Publishing
to Mastra AI
Learn how to connect Postproxy to Mastra AI and start using 11 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Postproxy MCP Server?
What you can do
- Automated Publishing: Create, publish, or schedule posts across various social media platforms directly via your AI Agent.
- Profile Management: List connected social profiles and group them to streamline multi-platform campaigns.
- Post Management: Retrieve, filter by status, and delete specific posts on the fly.
- Engagement Handling: Read comments, reply, like, or hide specific interactions seamlessly.
How it works
1. Connect your Postproxy account. 2. Provide your secure API token. 3. Ask your AI Agent to schedule posts, manage comments, or list your available profiles.Who is it for?
Marketing teams, social media managers, and developers looking to integrate Postproxy for AI Agents to streamline multi-channel social media campaigns and audience engagement.Built-in capabilities (11)
Reply to a comment on a post in Postproxy
Provide text, status, and the list of profile IDs to publish to. Create a new post in Postproxy
Delete a post in Postproxy
Get a specific post by ID in Postproxy
Hide a comment on a post in Postproxy
Like a comment on a post in Postproxy
List comments for a specific post in Postproxy
List posts in Postproxy
List all profile groups in Postproxy
List all social media profiles connected to Postproxy
Unhide a comment on a post in Postproxy
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Postproxy tool infrastructure. Connect 11 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.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Postproxy without touching business code
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Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every Postproxy tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Postproxy in Mastra AI
Postproxy and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Postproxy to Mastra AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Postproxy in Mastra AI
The Postproxy 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. All 11 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Mastra AI only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* 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
How Vinkius secures
Postproxy for Mastra AI
Every tool call from Mastra AI to the Postproxy MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can the AI Agent schedule posts for any future date?
Yes, as long as you provide a valid ISO date, your AI Agent can schedule posts using Postproxy.
Can I manage comments directly from the AI Agent?
Absolutely. You can list, like, reply, hide, or unhide comments across your posts seamlessly.
Does the AI Agent support grouping profiles?
Yes! The AI Agent can retrieve your Profile Groups so you can target multiple social media accounts at once.
How does Mastra AI connect to MCP servers?
Create an 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?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp