WunderGraph

# WunderGraph Cosmo - GraphQL Federation Platform

## About Cosmo

WunderGraph Cosmo is an open-source GraphQL Federation platform that serves as a drop-in replacement for Apollo GraphOS. Licensed under Apache 2.0, Cosmo provides full-lifecycle API management for federated GraphQL APIs without vendor lock-in.

### Key Features
- **Open Source**: 100% Apache 2.0 licensed with no vendor restrictions
- **High Performance**: Built in Go with 3.3x performance improvements via Dataloader 3.0
- **Federation Compatible**: Supports GraphQL Federation v1 & v2, works with any framework
- **Enterprise Ready**: SOC2 Type II compliant, OIDC/SSO integration, RBAC, audit logging
- **Full Observability**: Real-time analytics, distributed tracing, schema usage reporting
- **AI Integration**: MCP Gateway for AI model interaction with GraphQL APIs

### Core Components
- **Cosmo Router**: High-performance GraphQL gateway with authentication, subscriptions, and OpenTelemetry
- **Schema Registry**: Version control, composition validation, breaking change detection
- **Cosmo Studio**: Web-based management interface with analytics dashboards
- **Analytics Platform**: Real-time metrics, tracing, and performance monitoring

### Deployment Options
- **Self-hosted**: Deploy on-premises or in air-gapped environments
- **Managed Service**: Cloud-hosted with enterprise support and SLAs
- **AWS Lambda**: Serverless deployment option

### Pricing
- **Open Source**: Free forever, self-hosted
- **Developer**: Free (1 graph, 10M requests/month)
- **Launch**: $499/month (2 graphs, 250M requests/month)
- **Scale**: $3,499/month (5 graphs, 1B requests/month, SSO, RBAC)
- **Enterprise**: Custom pricing with dedicated support

## Latest Blog Posts

### Managing Permissions in Cosmo Just Got Easier with Groups (July 3, 2025)
Manage access with precision in Cosmo. Groups let you control who can view, publish, or deploy, across users and API keys, in one centralized system.
Author: Wilson Rivera
Link: https://wundergraph.com/blog/managing-permissions-in-cosmo-just-got-easier-with-groups

### Scaling GraphQL Federation: Inside Cosmo's Food Park (June 6, 2025)
Explore GraphQL federation through the lens of a food truck park. A story-driven guide to core concepts, tradeoffs, and how federation helps systems scale.
Author: Brendan Bondurant
Link: https://wundergraph.com/blog/food-truck-guide-to-graphql-federation

### The Impact of MCP and LLMs on Software Development - A Practical Example (April 17, 2025)
See how Model Context Protocol enables LLMs to complete real dev tasks like schema exploration, query generation, and router config—all in a single prompt.
Author: Jens Neuse
Link: https://wundergraph.com/blog/mcp-impact-on-software-development

### Cosmo MCP: Agent Mode now handles all the boring parts of GraphQL Federation (April 14, 2025)
Use Cosmo MCP with Cursor, Windsurf, or VSCode to automate schema changes, query validation, and router config—right from your IDE, no CLI juggling requ…