cross-llm-mcp

Access multiple Large Language Models via MCP server

EmergingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is cross-llm-mcp?

A Model Context Protocol (MCP) server that provides access to various LLM APIs including ChatGPT, Claude, DeepSeek, Gemini, and Grok, enabling developers to integrate diverse AI capabilities into their applications.

Key differentiator

cross-llm-mcp stands out by offering a unified interface to access multiple LLM APIs, providing developers with the flexibility and control needed for diverse AI integration scenarios.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Supports multiple LLM APIs including ChatGPT, Claude, DeepSeek, Gemini, and Grokmedium

Provides a unified interface for accessing different models via MCPmedium

Self-hosted solution offering flexibility in deploymentmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited documentation for advanced use caseshigh

Official docs focus on basic setup and usage, lack examples for complex scenarios

Performance issues under heavy loadmedium

Self-hosted instances may suffer from latency when handling multiple concurrent requests

Small community and limited supporthigh

GitHub issues have slow response times, few contributors to the project

Fit analysis

Who is it for?

✓ Best for

Teams that need to compare performance across different LLM APIs in a single environment

Developers who require flexibility in choosing between multiple models for specific tasks

Projects where self-hosting and control over the deployment are critical

✕ Not a fit for

Users requiring real-time streaming capabilities, as this tool is designed for batch processing

Budget-constrained projects that cannot afford to host their own MCP server

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with cross-llm-mcp

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →