# Model Context Protocol — developer ecosystem report

> An open protocol that enables seamless integration between LLM applications and external data sources and tools.

- GitHub org: `modelcontextprotocol`
- Category: dev_tool
- Overall score: 73.0 / 100
- Overall rank: #7
- Last refreshed: 2026-08-19

## Pillar scores

| Pillar | Score / 100 | Rank | Weight in overall |
| --- | --- | --- | --- |
| Code & Polish | 85.0 | #7 | ~22% |
| Education | 74.0 | #215 | ~18% |
| AI readiness | 89.0 | #1 | part of Reach |
| Builder experience | 0.0 | #1 | ~12% |
| Community | 59.0 | #53 | ~16% |
| Reach | 69.0 | #88 | ~18% |
| Momentum | 61.0 | #128 | ~14% |

## Links

- GitHub: https://github.com/modelcontextprotocol
- Website: https://modelcontextprotocol.io
- Docs: https://modelcontextprotocol.io/docs

## Public GitHub totals

| Metric | Value |
| --- | --- |
| Repos analyzed | 12 |
| Stars | 185,426 |
| Forks | 27,733 |
| Open issues | 3,357 |
| Contributors | — |

## Top repositories

| Repo | Stars | Language | Description |
| --- | --- | --- | --- |
| [servers](https://github.com/modelcontextprotocol/servers) | 89,663 | TypeScript | Model Context Protocol Servers |
| [python-sdk](https://github.com/modelcontextprotocol/python-sdk) | 24,056 | Python | The official Python SDK for Model Context Protocol servers and clients |
| [typescript-sdk](https://github.com/modelcontextprotocol/typescript-sdk) | 13,204 | TypeScript | The official TypeScript SDK for Model Context Protocol servers and clients |
| [inspector](https://github.com/modelcontextprotocol/inspector) | 10,699 | TypeScript | Visual testing tool for MCP servers |
| [modelcontextprotocol](https://github.com/modelcontextprotocol/modelcontextprotocol) | 8,987 | TypeScript | Specification and documentation for the Model Context Protocol |
| [registry](https://github.com/modelcontextprotocol/registry) | 7,144 | Go | A community driven registry service for Model Context Protocol (MCP) servers. |
| [go-sdk](https://github.com/modelcontextprotocol/go-sdk) | 5,001 | Go | The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google. |
| [csharp-sdk](https://github.com/modelcontextprotocol/csharp-sdk) | 4,485 | C# | The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft. |
| [rust-sdk](https://github.com/modelcontextprotocol/rust-sdk) | 3,818 | Rust | The official Rust SDK for the Model Context Protocol |
| [java-sdk](https://github.com/modelcontextprotocol/java-sdk) | 3,663 | Java | The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI |
| [ext-apps](https://github.com/modelcontextprotocol/ext-apps) | 2,713 | TypeScript | Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers |
| [mcpb](https://github.com/modelcontextprotocol/mcpb) | 2,076 | TypeScript | Desktop Extensions: One-click local MCP server installation in desktop apps |

## Methodology

Scores are computed from public signals only (GitHub, package registries, docs sites, community platforms). Pillar definitions: https://www.smoower.com/docs.md

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