---
title: "GraphQL Schema Stitcher"
description: "Merges multiple GraphQL schemas into a unified federated gateway using Apollo Federation v2 and graphql-tools stitchSchemas. Validates composed schemas with rover graph check."
verification: "security_reviewed"
source: "https://github.com/graphql/graphql-js"
category:
  - "Library & API Reference"
framework:
  - "MCP"
tool_ecosystem:
  github_repo: "graphql/graphql-js"
  github_stars: 20324
  npm_package: "graphql"
  npm_weekly_downloads: 34200861
---

# GraphQL Schema Stitcher

Merges multiple GraphQL schemas into a unified federated gateway using Apollo Federation v2 and graphql-tools stitchSchemas. Validates composed schemas with rover graph check.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/graphql-schema-stitcher/)