> Markdown version of [/videos/100040-contract-testing-with-mcp-building-self-describing-self-testing-apis?t=240](https://www.wearedevelopers.com/videos/100040-contract-testing-with-mcp-building-self-describing-self-testing-apis?t=240). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Contract Testing with MCP: Building Self-Describing, Self-Testing APIs

Stop discovering breaking API changes during production incidents. Learn how the Model Context Protocol creates self-testing APIs that instantly block incompatible pull requests before they merge.

- **Speakers:** [Moataz Nabil](https://www.wearedevelopers.com/@moataz-nabil)
- **Event:** World Congress 2026 Europe
- **Published:** July 9, 2026
- **Duration:** 31:30
- **URL:** https://www.wearedevelopers.com/videos/100040-contract-testing-with-mcp-building-self-describing-self-testing-apis
- **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/5e3ba97567601b70789735e1904dc764/thumbnails/thumbnail.jpg?time=242000ms

## Access

Playback and chapters for this video are available with a Free account.

## Related Moments

- [Core concepts and advantages of the Model Context Protocol](https://www.wearedevelopers.com/videos/100305-api-mcp-or-mcp-app-choosing-the-right-surface-for-ai-agents) (from "API, MCP or MCP App? Choosing the right surface for AI agents")
  - **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/ac896e8d6e6c4a60793b5fd352249fe2/thumbnails/thumbnail.jpg?time=36800ms
- [Discovering risk models and implementing contract testing tools](https://www.wearedevelopers.com/videos/467-quality-strategy-with-a-side-of-swiss-cheese) (from "Quality Strategy with a side of Swiss Cheese")
  - **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/f4b39d67d89fa2b61a9b33d435f8c5bd/thumbnails/thumbnail.jpg?time=218300ms
- [Contract testing summary and audience Q&A session](https://www.wearedevelopers.com/videos/710-contract-testing-how-do-you-tame-an-external-api-that-constantly-breaks-your-tests) (from "Contract Testing - How do you tame an external API that constantly breaks your tests")
  - **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/20c45d3173d568df80e7d075cfba0ab4/thumbnails/thumbnail.jpg?time=30000ms
- [Treating AI tools as standard governed enterprise capabilities](https://www.wearedevelopers.com/videos/100336-from-apis-to-mcp-enterprise-governance-registry-and-controls) (from "From APIs to MCP: Enterprise Governance, Registry, and Controls")
  - **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/092f9a4b11b7d4aa142ac3f734afacba/thumbnails/thumbnail.jpg?time=115680ms
- [Integrating Model Context Protocol for non-technical users](https://www.wearedevelopers.com/videos/100091-3-ways-to-rebuild-the-data-stack-for-agents) (from "3 Ways to Rebuild the Data Stack for Agents")
  - **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/7b3d15a8892fc8e27cd43e9349d4d31a/thumbnails/thumbnail.jpg?time=146080ms
- [Origin and purpose of the Model Context Protocol](https://www.wearedevelopers.com/videos/100132-the-agent-interface-layer-protocols-tools-and-trust-boundaries) (from "The Agent Interface Layer: Protocols, Tools and Trust Boundaries")
  - **Thumbnail URL:** https://customer-goifxnzhrq3d0d54.cloudflarestream.com/26c305861c6bf5d03837cf826f63ddcc/thumbnails/thumbnail.jpg?time=90840ms

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