decocms

Acts as a centralized MCP (Model Context Protocol) gateway that routes tool calls and resource requests to multiple backend MCP servers, abstracting provider-specific implementations behind a unified interface. Implements request routing logic that maps incoming MCP protocol messages to appropriate backend servers based on tool namespacing or explicit routing rules, enabling clients to interact with heterogeneous tool ecosystems through a single connection point.

Provides infrastructure for deploying and managing MCP servers as self-contained processes within a single host environment, handling process spawning, lifecycle events (startup/shutdown), and inter-process communication with minimal configuration overhead. Uses child process management patterns to isolate each MCP server instance and coordinate their availability through a registry or discovery mechanism.

Exposes a registry or introspection API that allows clients to discover available tools, resources, and prompts across all connected MCP servers, including tool schemas, input/output types, and descriptions. Aggregates metadata from heterogeneous MCP servers and presents a unified capability manifest that clients can query to understand what operations are available without hardcoding tool knowledge.

Translates between different MCP protocol versions or transport mechanisms (stdio, SSE, WebSocket) to enable interoperability between clients and servers that use different communication patterns. Implements protocol adapters that normalize incoming requests to a canonical internal format and transform responses back to the client's expected protocol version, abstracting transport-layer differences.

Enforces authentication and authorization policies at the gateway level, controlling which clients can invoke which tools or access which resources. Implements middleware patterns that intercept tool calls and validate credentials (API keys, JWT tokens, OAuth) against access control lists before routing to backend MCP servers, preventing unauthorized tool usage.

Captures and persists detailed logs of all tool invocations passing through the gateway, including request parameters, response results, execution time, and client identity. Implements structured logging that records tool calls in a queryable format (JSON, database) enabling post-hoc analysis, debugging, and compliance auditing of tool usage patterns.

Implements rate limiting and quota policies at the gateway level to prevent resource exhaustion and enforce fair usage across clients. Uses token bucket or sliding window algorithms to track tool invocations per client/tool and reject requests that exceed configured limits, protecting backend MCP servers from overload.

Implements error handling strategies that gracefully degrade when MCP servers are unavailable or return errors, including fallback mechanisms, circuit breakers, and error transformation. Catches server-side errors and transforms them into client-friendly error responses, preventing cascading failures and enabling clients to handle tool unavailability gracefully.

Provides mechanisms for registering, configuring, and updating MCP servers without restarting the gateway, including configuration file parsing, environment variable substitution, and dynamic server discovery. Implements a configuration layer that abstracts server connection details and enables operators to add/remove/update servers through configuration changes rather than code modifications.