# GRAPHQL Data Federation Agent > Federates data from multiple GraphQL and REST APIs using Apollo Federation gateway. Implements schema stitching with automatic type merging and the DataLoader pattern for N+1 prevention. Use when this capability is needed. - Skill: `tomevault-io/graphql-data-federation-agent` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/graphql-data-federation-agent` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/graphql-data-federation-agent/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/graphql-data-federation-agent --- # GraphQL Data Federation Agent Federates data from multiple GraphQL and REST APIs using Apollo Federation gateway. Implements schema stitching with automatic type merging and the DataLoader pattern for N+1 prevention. ## Installation Use the upstream install or setup path that matches your environment: - npm install --save graphql - yarn add graphql - npm install graphql@git://github.com/graphql/graphql-js.git#npm Requirements and caveats from upstream: - GraphQL.js is a general-purpose library and can be used both in a Node server - with both CommonJS (require()) and ESModule (import) files. Ensure that any Basic usage or getting-started notes: - A general overview of GraphQL is available in the - [README](https://github.com/graphql/graphql-spec/blob/main/README.md) for the - [Specification for GraphQL](https://github.com/graphql/graphql-spec). That overview - Source: https://github.com/graphql/graphql-js - Extracted from upstream docs: https://raw.githubusercontent.com/graphql/graphql-js/HEAD/README.md ## Source - [Agent Skill Exchange](https://agentskillexchange.com/skills/graphql-data-federation-agent/) --- > Source: [agentskillexchange/skills](https://github.com/agentskillexchange/skills) — distributed by [TomeVault](https://tomevault.io).