Vinkius
MCP Server

Assertible MCP for AI. Test, Sync, and Validate Your APIs via Chat.

Claude Claude
ChatGPT ChatGPT
Cursor Cursor
Gemini Gemini
Windsurf Windsurf
VS Code VS Code
JetBrains JetBrains
Vercel Vercel
See Vinkius in Action

Works with every AI agent you already use

…and any MCP-compatible client

Assertible MCP on Cursor AI Code EditorAssertible MCP on Claude Desktop AppAssertible MCP on OpenAI Agents SDKAssertible MCP on Visual Studio CodeAssertible MCP on GitHub Copilot AI AgentAssertible MCP on Google Gemini AIAssertible MCP on Lovable AI DevelopmentAssertible MCP on Mistral AI AgentsAssertible MCP on Amazon AWS Bedrock

How this MCP server connects to your AI agent

Assertible lets you automate API testing and monitoring directly from your AI client. You can trigger deployments, run full service test suites, sync complex specifications like OpenAPI or Swagger, validate JSON documents against specific schemas, and get status badges—all by chatting with your agent.

What AI agents can do with Assertible Automation

Create deployment

This tool initiates a new deployment for an API and automatically starts running the associated test suite.

Get service status badge

Retrieves a ready-to-use status badge URL or markdown snippet that shows the current health of an entire service.

Get test status badge

Gets a status badge URL and markdown specifically for one individual test case, so you know exactly what's passing or failing.

+ 4 more capabilities included
Triggering Deployments

It creates a new deployment instance for an API service, which immediately kicks off automated testing.

Running Comprehensive Service Tests

You can run every single test defined for an entire API service to check its overall health and stability.

Validating JSON Payloads

The system checks if a given piece of JSON data matches a specific, predefined schema draft, confirming structural integrity.

Syncing API Specifications

It pulls the latest version of your API definition—whether it's OpenAPI, Swagger, or Postman—to keep all your tests current.

Included with Plan

Waiting for input…

AI Agent

What AI agents can do with Assertible: 7 Tools for API Quality

These tools allow you to manage the entire lifecycle of your APIs—from deployment tracking to data validation—all within a single conversation with your AI agent.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Assertible on Vinkius

Create Deployment

This tool initiates a new deployment for an API and automatically starts running the associated test suite.

Get Service Status Badge

Retrieves a ready-to-use status badge URL or markdown snippet that shows the current...

Get Test Status Badge

Gets a status badge URL and markdown specifically for one individual test case, so...

Run Service Tests

It runs every single available test defined for an entire API service to give you a...

Run Specific Test

This tool lets you execute only one targeted, specific test case when you need to...

Sync Specification

It pulls the latest version of your API definition from sources like OpenAPI or Swagger, keeping all your tests accurate.

Validate Json

You submit a JSON document and it checks that data against a specific JSON Schema Draft 4 to ensure it's structured correctly.

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Claude AI

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Assertible integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

Build Your Own

Turn any API into an MCP. Import a spec, define Agent Skills, or deploy with MCPFusion.

  • Import from OpenAPI, Swagger, or YAML specs
  • Create Agent Skills with progressive disclosure
  • Deploy to edge with MCPFusion framework
  • Built in DLP, auth, and compliance on every call
  • Real time usage dashboard and cost metering
  • Publish to catalog or keep private
Start building

Make Your AI Do More

Start with Assertible, then connect any of our 5,100+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,100+ others, all in one place
  • Add new capabilities to your AI anytime you want
  • Every connection is secured and compliant automatically
  • Track usage and costs across all your servers
  • Works with Claude, ChatGPT, Cursor, and more
  • New servers added to the catalog every week

VINKIUS INFRASTRUCTURE

Cloud Hosted

Managed infra

V8 Isolated

Sandboxed per request

Zero-Trust Proxy

No stored credentials

DLP Enforced

Policy on every call

GDPR Compliant

EU data residency

Token Compression

~60% cost reduction

Your data is protected. See how we built it.

Built on the Model Context Protocol (MCP) for Claude, ChatGPT, Cursor, and more

The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.

This connection provides 7 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.

The Daily Grind: Testing APIs Used to Be a Manual Chore, Solved with Vinkius AI Gateway

Today, checking an API's health is a pain. You have to switch between three places: the CI/CD dashboard for deployment status; a separate schema tool just to validate JSON inputs; and then finally run a dedicated test suite via command line. It’s tedious copy-pasting across multiple tabs and dashboards.

With this MCP, you skip all that clicking. You simply tell your agent, 'Check if the API is ready for production.' The entire process—checking status badges, running full services tests, and even syncing specs first—happens in a single conversation. You get instant confirmation, without leaving your chat.

Assertible MCP: Getting Confidence in API Quality

The manual steps that vanish are the context switching and the constant need to check which version of the specification you're using. You no longer have to manually run every single test, nor do you worry about whether your local schema matches what's live.

What changes now is that API confidence isn't a separate process; it's built into how you talk to your code. Your agent handles the heavy lifting, giving you actionable results on demand.

What your AI can actually do with this

Managing an API's quality usually means running a bunch of scripts, checking multiple dashboards, and manually updating specs. This MCP lets you ditch the console commands and just talk to your AI client. You tell it what needs testing, and it handles the rest. Need to see if a new version is stable? Your agent can trigger deployments and run all necessary tests for that service, giving you instant feedback on uptime and reliability.

If a change breaks something, you know right away. Plus, when your API specs update, you don't have to manually re-import them; the MCP handles syncing OpenAPI or Swagger files automatically. And if you just need to check if some incoming data is valid, you can validate JSON against a schema without leaving your chat window.

It’s all about making sure your APIs stay reliable and that API quality checks are part of your natural conversation flow right through Vinkius.

Built · Hosted · Managed by Vinkius Assertible MCP - Test and Monitor APIs via Chat
Server ID 019ea5e1-896a-7369-b569-8d516fc649f1
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Questions you might have

How do I use Assertible MCP to check if my service is up? +

You can get an immediate status update by using get_service_status_badge. This quickly provides a markdown badge that shows whether the entire API service is currently passing or failing its health checks.

Can Assertible MCP validate JSON schemas? +

Yes, you use the validate_json tool for this. You provide the document and the schema, and it tells you if the payload conforms to the rules set in the Draft 4 standard.

What is the difference between run_service_tests and run_specific_test? +

run_service_tests runs every single test available for that service, giving you a full health picture. run_specific_test lets you pinpoint and execute only one single test case if you suspect an issue with just that function.

Does Assertible MCP help me update my API specs? +

Yes, use sync_specification. This tool pulls the latest OpenAPI, Swagger, or Postman definitions automatically, making sure your test environment is always current after an upstream change.

Built & Managed by Vinkius 30s setup 7 tools

We've already built the connector for Assertible. Just plug in your AI agents and start using Vinkius.

No hosting. No infrastructure. No complex setup.
All 7 tools are live and waiting. You're up and running in seconds.

Vinkius runs on Claude Claude
Vinkius runs on ChatGPT ChatGPT
Vinkius runs on Cursor Cursor
Vinkius runs on Gemini Gemini
Vinkius runs on Windsurf Windsurf
Vinkius runs on VS Code VS Code
Vinkius runs on JetBrains JetBrains
Vinkius runs on Vercel Vercel
+ other MCP clients

Vinkius gives your AI agents access to the full catalog of app connectors, all fully managed, secure, and enterprise-ready. One subscription, every tool you need.

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