# langchain-playground

> langchain-playground — chrisleekr-langchain-playground. Use this tool when you need to experiment and integrate Large Language Models (LLMs) with various tools and services, such as LangChain.js, GraphQL, and monitoring platforms. It provides a playground environment for testing and developing LLM-related projects, accepting code and configuration as inputs and producing integrated workflows as outputs. Ideal for developers and researchers working with LLMs and related technologies, particularly those using git for version control.

Canonical page: https://skillsregistry.net/skills/chrisleekr-langchain-playground  
JSON: https://api.skillsregistry.net/v1/skills/chrisleekr-langchain-playground

## Description

A playground for LangChain.js, LangGraph, NewRelic GraphQL, Sentry, Slack, Model Context Protocol (MCP) and other LLM-related tools.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-08-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** communication
- **Updated:** 2026-09-20

## Source

- **Source listing:** [GitHub](https://github.com/chrisleekr/langchain-playground)

## 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": "chrisleekr-langchain-playground"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/chrisleekr-langchain-playground` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/chrisleekr-langchain-playground/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