Claude Code stands out as one of the most capable terminal-based coding agents available today. It can read your codebase, run commands, modify files, and even open pull requests, all within a single CLI session. However, once you start connecting multiple MCP servers, a key challenge emerges. Each server operates as an independent connection with its own credentials, configuration, and no shared visibility.
An MCP gateway solves this by sitting between Claude Code and your tool servers. It routes JSON-RPC requests through a single endpoint that centralizes authentication, tool discovery, access control, and cost tracking.
This guide explores the five best MCP gateways for Claude Code in 2026, highlighting their strengths and ideal use cases.
What Is an MCP Gateway and Why Does Claude Code Need One?
An MCP gateway is a reverse proxy designed specifically for the Model Context Protocol. It acts as a control layer between AI clients such as Claude Code, Cursor, or custom agents and the MCP servers they rely on. It centralizes responsibilities like tool discovery, authentication, authorization, rate limiting, logging, and caching.
Unlike traditional API gateways that process stateless HTTP requests, MCP gateways manage persistent sessions, streaming responses, and context that builds across multiple tool calls within a single agent interaction. This makes them far better suited for agentic workflows than tools like nginx or HAProxy.
Claude Code supports MCP through HTTP, SSE, and stdio transports. You can quickly add servers using the claude mcp add command and begin using tools. The problem arises when scaling. With several MCP servers exposing dozens of tools, the context window becomes crowded with tool definitions before any meaningful reasoning begins. This increases latency and drives up token usage.
Routing Claude Code through an MCP gateway provides several key advantages:
- Reduced token overhead: Only relevant tools are exposed, keeping the context focused
- Centralized authentication: A single layer instead of per-server credentials
- Access control and governance: Permissions scoped by team, project, or user
- Full observability: All tool calls logged in one place
- Cost management: Budgets and rate limits applied across all traffic
1. Bifrost: Open-Source AI Gateway with Native MCP Support
Bifrost is an open-source, high-performance AI gateway built in Go that combines LLM routing and MCP gateway functionality into a single control plane. For Claude Code users, this means unified management of models, tools, budgets, and observability.
It operates as both an MCP client and server, connecting to external MCP servers while exposing a single /mcp endpoint to Claude Code. Setup is straightforward:
claude mcp add –transport http bifrost http://localhost:8080/mcp
You can get started in seconds:
npx -y @maximhq/bifrost
Or use Docker
docker run -p 8080:8080 maximhq/bifrost
Key capabilities for Claude Code
- **Virtual keys with tool-level scoping**: Control access at the individual tool level, reducing unnecessary context and token usage
- Code Mode: Lets the model orchestrate tools through Python instead of injecting all tool definitions, reducing tokens and latency
- Agent Mode: Enables automated tool execution with configurable approvals
- Multi-provider model switching: Seamlessly switch between providers without changing client setup
- Semantic caching: Matches prompts by meaning to reuse responses and reduce cost
- **Automatic failover and load balancing**: Ensures reliability across providers
- OAuth 2.0 authentication: Secure MCP connections with built-in OAuth support
Enterprise features
The enterprise tier includes guardrails, clustering for high availability, vault integrations, RBAC, audit logs, and Datadog support.
Best for: Teams looking for a unified gateway that handles both LLM and MCP traffic with strong observability, access control, and cost management in a single system.
2. Cloudflare MCP Server Portals: Zero Trust Security for MCP
Cloudflare’s MCP Server Portals focus on securing MCP traffic through its Zero Trust platform. They aggregate multiple MCP servers behind a single endpoint, simplifying configuration for Claude Code users.
Instead of managing multiple server URLs, you configure one portal endpoint. Any new server added becomes instantly available without client changes.
Key capabilities
- Zero Trust enforcement: Apply MFA, device checks, and geographic restrictions
- Tool curation per portal: Limit exposed tools to reduce context size
- Unified observability: Central logging of all MCP activity
- OAuth support: Works with both public and secured servers
- Code Mode: Reduces tool surface area significantly for large APIs
Pricing and availability
Available in open beta for Cloudflare One users, with free and paid tiers depending on usage.
3. Kong AI Gateway: Enterprise API Gateway with MCP Support
Kong added MCP support last year, extending its enterprise API gateway into the AI tooling space.
Key capabilities
- AI MCP Proxy plugin: Allows MCP clients to access existing REST APIs without rewriting them as MCP servers
- AI MCP OAuth2 plugin: Centralized authentication for all MCP services
- Prometheus metrics: Visibility into MCP traffic
- MCP Registry: Central tool discovery via Kong Konnect
- Plugin ecosystem: Access to Kong’s full set of plugins including OIDC, mTLS, and rate limiting
Pricing
Enterprise-only offering with no free tier.
4. Composio: Managed Integration Platform with MCP Gateway
Composio approaches MCP gateways from an integration-first perspective, offering a managed platform with hundreds of prebuilt connectors.
Key capabilities
- Integrations: Includes tools like Slack, GitHub, Jira, Salesforce, and HubSpot
- Unified authentication: Handles OAuth and API keys across all integrations
- Framework compatibility: Works with LangChain, CrewAI, AutoGen, and more
- Dynamic tool routing: Exposes only relevant tools per request
- Enterprise security: Includes SOC 2 and ISO certifications with RBAC and audit logs
- MCP API key enforcement: Secures access by default
Pricing
Free and paid tiers based on usage, scaling up to enterprise plans.
5. IBM ContextForge: Open-Source Multi-Protocol Gateway
IBM ContextForge is an Apache 2.0 licensed gateway that unifies MCP with other protocols such as REST, gRPC, and A2A.
Key capabilities
- Multi-protocol federation: Routes across MCP, REST, gRPC, and A2A
- Built-in LLM proxy: Supports multiple model providers
- Plugin system: Multiple plugins for extensibility
- OpenTelemetry support: Enables distributed tracing
- Admin UI: Simplifies management through a web interface
- Kubernetes support: Handles multi-cluster deployments
Pricing
Free and open source.
Start Routing Claude Code Through Bifrost
Bifrost is the only open-source MCP gateway that also serves as a full LLM gateway, providing unified visibility and control across both model and tool usage. You can install it in under a minute, connect your MCP servers, and start scaling Claude Code efficiently.
Book a demo to explore how Bifrost fits into your infrastructure.
