# RAG LangGraph MCP Server

> RAG LangGraph MCP Server — andresjmnz92-jpg-rag-langgraph. Use this tool when you need to enhance question answering capabilities with retrieval-augmented generation, solving complex queries by leveraging a PostgreSQL/pgvector corpus. It exposes a RAG agent via the MCP protocol, allowing for efficient interaction and retrieval of relevant information. Ideal for applications requiring advanced language understanding and information retrieval, such as chatbots, virtual assistants, or knowledge base systems.

Canonical page: https://skillsregistry.net/skills/andresjmnz92-jpg-rag-langgraph  
JSON: https://api.skillsregistry.net/v1/skills/andresjmnz92-jpg-rag-langgraph

## Description

Exposes a RAG agent built with LangGraph, enabling retrieval-augmented question answering over a PostgreSQL/pgvector corpus via the MCP protocol.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/n4vl9wo9rr)
- **Repository:** <https://github.com/andresjmnz92-jpg/rag-langgraph>

## 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": "andresjmnz92-jpg-rag-langgraph"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/andresjmnz92-jpg-rag-langgraph` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/andresjmnz92-jpg-rag-langgraph/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