Securing MCP Making the Model Context Protocol Enterprise-Ready

How Strongly.AI is solving MCP's critical security challenges with 100+ custom-built, containerized MCP servers

October 9, 2025 10 min read
The Promise of MCP The Security Gap Strongly.AI's Solution JIT Credentials Access Control Internal Hosting Workflow Builder Real-World Use Case The Future of MCP

The Promise of the Model Context Protocol

Anthropic's Model Context Protocol (MCP) represents a groundbreaking advancement in how AI assistants connect to data sources and tools. As Anthropic describes it, MCP is "a new standard for connecting AI assistants to the systems where data lives" - enabling AI models to produce better, more relevant responses by overcoming data isolation challenges.

The protocol addresses a fundamental problem in the AI landscape: current systems are constrained by their isolation from data, and every new data source requires its own custom implementation. MCP provides a universal protocol that replaces multiple custom integrations, supporting secure data connections while enabling AI systems to maintain context as they move between different tools and datasets.

MCP Architecture - Universal Protocol Layer
AI Client LLM / Agent MCP Server Protocol Handler Auth & Routing GitHub Repos, PRs, Issues Slack Channels, Messages PostgreSQL Queries, Schemas Stripe Payments, Billing MongoDB Documents, Pipelines

Early adopters like Block, Apollo, Zed, Replit, Codeium, and Sourcegraph are already integrating MCP, with pre-built servers available for systems like Google Drive, Slack, GitHub, Git, and Postgres. The potential is enormous - but there is a critical challenge preventing widespread enterprise adoption.

MCP provides a universal protocol that replaces multiple custom integrations. But without enterprise-grade security, that universality becomes a universal attack surface.

The Security Gap: Current MCP Implementation Challenges

While MCP's vision is compelling, current implementations expose significant security vulnerabilities that make them risky for enterprise deployment. Organizations attempting to implement MCP are encountering three critical pain points:

MCP Attack Surface - Standard Implementation
LLM Agent Requests access MCP Server Routes requests External Tool Sensitive data ! Plain Text Credentials API keys exposed in transit ! Over-Privileged Access Broad, persistent permissions ! Persistent Config Credentials Long-lived keys in static files
Critical Security Issues

Standard MCP implementations expose three major vulnerabilities that block enterprise adoption:

  • Plain Text Credentials Passed Through the System: API keys and credentials are passed in plain text from the LLM through the MCP infrastructure, creating exposure points at multiple layers and significant attack surfaces.
  • Over-Privileged Access: Agents are often granted broad, persistent access to resources far beyond what they need for specific tasks, violating the principle of least privilege.
  • Persistent Credentials in Config Files: Long-lived credentials sitting in configuration files represent a constant security risk, especially when multiple team members or AI agents have access.

These are not theoretical concerns - they are blockers preventing security-conscious enterprises from adopting MCP at scale. Financial services firms, healthcare organizations, and other regulated industries simply cannot deploy systems with these vulnerabilities, no matter how powerful the underlying capabilities.

Introducing Strongly.AI's Secure MCP Hosting Solution

At Strongly.AI, we recognized that MCP's potential could only be realized with enterprise-grade security. That is why we have built a comprehensive MCP server hosting platform that addresses these critical security gaps while making MCP accessible through our intuitive drag-and-drop workflow builder.

Over 100 Custom-Built MCP Servers

We have built and deployed over 100 enterprise-ready MCP servers, each running in isolated Kubernetes containers with enterprise-grade security controls. This extensive library covers the most commonly needed integrations - from databases and cloud storage to development tools and business applications - all pre-configured and security-hardened.

GitHub

Complete repository management, pull request workflows, issue tracking, and code review automation.

Slack

Team communication, channel management, message operations, and workflow notifications.

PostgreSQL

Database queries, schema management, data operations, and transaction handling.

MongoDB

NoSQL operations, aggregation pipelines, document management, and indexing.

Stripe

Payment processing, subscription management, billing operations, and financial reporting.

100+ More

Cloud storage, CRMs, analytics, CI/CD tools, and more - all containerized and security-hardened.

Containerization Benefits

Each MCP server runs in its own Kubernetes pod, providing isolation, consistency, scalability, and auditability. Users can clone any MCP server and customize it for their specific needs, with changes stored securely in isolated S3 directories.

Just-In-Time Credential Management

Rather than storing static API keys in configuration files, Strongly.AI implements just-in-time (JIT) credential provisioning. When an AI agent needs to access a resource through an MCP server, credentials follow a strict lifecycle:

1

Dynamically Generated

Short-lived tokens are created on-demand for the specific task at hand - no pre-provisioning required.

2

Scoped to Minimum Permissions

Credentials grant only the exact permissions needed for the immediate operation, nothing more.

3

Automatically Revoked

Tokens expire immediately after use or after a short time window, eliminating the risk of credential theft.

4

Never Persisted

No credentials are stored in configuration files or long-term storage. Every token is ephemeral by design.

Security Benefit

JIT credentials mean that even if an attacker gains access to your configuration files or manages to compromise an agent, they find no usable credentials - just temporary tokens that have already expired.

Fine-Grained Access Control with Multi-Tenancy

Strongly.AI's MCP implementation includes comprehensive fine-grained access control that goes far beyond simple API key management. Our platform supports true multi-tenancy, where a single MCP server instance can securely serve multiple users, each with their own credentials and permissions.

Context-Aware Policies
Time-Based Restrictions
Operation-Level Controls
Resource Permissions
RBAC
MCP
Server

Workflow-Level Permissions

Each workflow defines its own access policies. One GitHub MCP server can securely support dozens of users, each accessing their own repositories.

User Isolation

Even when multiple users share the same MCP server instance, their credentials, data access, and operations remain completely isolated.

Role-Based Access Control

Define roles for different users, teams, and AI agents, each with precisely scoped permissions within the same deployment.

Resource-Level Permissions

Control access to specific resources within each server - particular databases, file directories, or API endpoints per user.

Time-Based Restrictions

Implement temporal access controls that limit when certain operations can be performed.

Context-Aware Policies

Apply different access rules based on request origin, user identity, workflow context, or system state.

Key Takeaway

Instead of deploying separate MCP server instances for each user or team, Strongly.AI enables efficient resource utilization while maintaining complete security isolation. One Slack MCP server can serve your entire organization, with each user accessing only their authorized channels using their own credentials.

Internal MCP Hosting: Security Through Isolation

One of the most significant security advantages of Strongly.AI's approach is that all MCP servers run within your secure perimeter - whether that is your private cloud, VPC, or on-premises infrastructure. Each MCP server runs as a Kubernetes pod, giving you full control over orchestration, scaling, and security policies.

Your data never leaves your network. No external APIs, no public endpoints - everything communicates through secure internal Kubernetes service endpoints.

Data Sovereignty

Your data never leaves your network, addressing regulatory requirements and data residency concerns.

Network Isolation

MCP servers operate as Kubernetes pods within your existing security zones, protected by your firewalls and network policies.

Compliance Alignment

Meet stringent compliance requirements - HIPAA, PCI-DSS, SOC 2 - that prohibit external data processing.

Container-Level Security

Apply Kubernetes security contexts, pod security policies, and network policies to enforce defense-in-depth.

Native Integration: Drag-and-Drop Workflow Builder

Security should not come at the cost of usability. That is why Strongly.AI makes MCP accessible through our intuitive drag-and-drop workflow builder, which allows you to visually design, deploy, and monitor AI workflows without writing code.

Traditional

Standard MCP Setup

Manual configuration required

Custom Code Required

Write integration code for every MCP server connection manually.

Separate Instances Per User

Deploy individual server instances for each team member.

Static Credentials

Manage and rotate API keys manually across config files.

Limited Visibility

No built-in monitoring or audit trail for data flows.

Strongly.AI

Secure MCP Platform

Enterprise-ready out of the box

Visual Drag-and-Drop

Connect MCP servers to AI agents using a simple visual interface.

Shared Infrastructure

Multi-tenant architecture - one server instance serves your entire team.

JIT Credentials

Automatically provisioned, scoped, and revoked - no manual management.

Full Observability

Real-time monitoring, audit logging, and detailed build/deploy/runtime logs.

This visual approach democratizes MCP, making secure AI integrations accessible to business users, not just developers - while maintaining the security controls that enterprise teams require. Each MCP server node in your workflow runs as an isolated Kubernetes pod, with workflow-level permissions ensuring that multiple users can safely share the same infrastructure.

Clone and Customize

Take any of our 100+ pre-built MCP servers and clone it to create your own customized version. Customizations are stored in isolated S3 directories with full versioning support, and you can test safely in sandbox environments before deploying to production.

Real-World Use Case: Secure Financial Data Integration

Consider a financial services firm with 50 analysts who need AI-powered access to multiple data sources - trading platforms, market data feeds, internal databases, and regulatory filing systems. Each analyst should only access data they are authorized for, using their own credentials.

The Traditional Approach

With standard MCP implementations, this would require deploying 50 separate MCP server instances (one per analyst) or sharing credentials across the team, storing hundreds of API keys in configuration files, granting broad persistent access, and manually managing credential rotation - with limited visibility into who accessed what data and when.

With Strongly.AI's Secure MCP Platform

1

Deploy Shared MCP Servers

Deploy a single PostgreSQL MCP server, a single Bloomberg API server, and other infrastructure that all 50 analysts can use - each with their own credentials and workflow-level permissions.

2

Configure Workflow-Level Access

Each analyst creates their own workflows with their own credentials. The same MCP server instance serves all analysts, but each only accesses data they are authorized for.

3

Customize When Needed

Any analyst can clone an MCP server to customize it for specific analysis needs, with customizations stored in isolated S3 directories.

4

Deploy Internally with JIT Credentials

Run all MCP servers as Kubernetes pods within your VPC, maintaining data sovereignty. Rely on dynamically provisioned, short-lived tokens instead of static API keys.

5

Build Visually, Monitor Everything

Analysts use the drag-and-drop builder to create sophisticated AI workflows without writing code. Track every access, credential usage, and data flow through comprehensive per-workflow logging.

Result

Secure, compliant, auditable AI-powered financial analysis that meets the strictest security requirements - with efficient resource utilization and complete user isolation.

The Future of Enterprise MCP

The Model Context Protocol represents the future of AI system integration, but its enterprise adoption depends on solving the security challenges inherent in current implementations. Strongly.AI's approach - combining containerized MCP servers, just-in-time credential management, workflow-level fine-grained access control with multi-tenancy, and internal hosting - makes MCP enterprise-ready.

As organizations increasingly rely on AI agents to access and process sensitive data, the security model matters as much as the capabilities. With Strongly.AI, you do not have to choose between MCP's power and the security your enterprise requires - you get both.

With our workflow-level permissions, you can efficiently serve hundreds of users with a shared MCP infrastructure while maintaining complete security isolation between them. The future of enterprise AI integration is not just about connecting to more tools - it is about connecting securely, at scale, with full visibility and control.

Ready to Deploy Secure MCP in Your Enterprise?

Discover how Strongly.AI's secure MCP hosting platform can surface the full potential of the Model Context Protocol while maintaining enterprise-grade security.

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References

  1. Anthropic. (2024). "Introducing the Model Context Protocol".
  2. Model Context Protocol Documentation. https://modelcontextprotocol.io