# Reactive Extensions

> Use this tool when you need to work with Rx.NET and require guidance on observable operators, scheduler selection, and performance optimization. It solves problems related to reactive programming, such as debugging and testing, by providing deterministic testing and code review capabilities. The Reactive Extensions tool accepts .NET code as input and outputs optimized and reviewed code, making it ideal for use in offline and integrated development environments like VS Code and Visual Studio.

Canonical page: https://skillsregistry.net/skills/chrispulman-reactive-extensions  
JSON: https://api.skillsregistry.net/v1/skills/chrispulman-reactive-extensions

## Description

The Reactive Extensions MCP server helps developers work with Rx.NET by offering guidance on observable operators, scheduler selection, Subject usage patterns, deterministic testing with TestScheduler, and performance-aware code review. Built on .NET 10 with an embedded knowledge catalog, it works offline and integrates with Claude Desktop, VS Code, and Visual Studio via stdio transport.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-01

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/chrispulman-reactive-extensions)
- **Repository:** <https://github.com/chrispulman/reactivemcp.server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "chrispulman-reactive-extensions"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/chrispulman-reactive-extensions` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/chrispulman-reactive-extensions/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt