Best GraphQL MCP Servers
GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data.
Why this server?
Probes and analyzes GraphQL endpoints to diagnose blank pages, empty data, and contract mismatches, providing root cause and fix hints.
AlicenseAqualityCmaintenanceProbes your live API and classifies why each endpoint failed (root cause, evidence, and a calibrated confidence level), exposed over MCP so your AI assistant debugs from evidence instead of guessing. Works with FastAPI, Express, Next.js, tRPC, and GraphQL.88 npm2Apache 2.0Why this server?
Allows the database to be queried using the GraphQL language for flexible data retrieval.
AlicenseAqualityAmaintenanceArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.101,196Apache 2.0Why this server?
Performs full GraphQL schema introspection and discovery of hidden fields to identify potential security vulnerabilities.

operant-mcpofficial
AlicenseAqualityFmaintenanceA comprehensive security testing MCP server providing 51 tools for penetration testing, network forensics, memory analysis, and vulnerability assessment. It enables automated security audits and technical investigations across web applications, cloud environments, and network captures.51104 npm25MITWhy this server?
Provides a migration tool that converts code, Power BI queries, or scripts still using the Coletum API V1 (GraphQL) to the API V2, ahead of the V1 shutdown date.

Coletum MCP Serverofficial
AlicenseAqualityBmaintenanceEnables an AI assistant to read form structures and submissions from a Coletum account (read-only) and to produce Excel/CSV exports, Coletum-style or user-template PDFs, and photographic reports on request. It also stores preferences such as logo and company name and reports where each generated file was saved.13MITWhy this server?
Uses GraphQL API to communicate with LaunchNotes for managing projects, announcements, and feedback.
AlicenseAqualityBmaintenanceEnables management of LaunchNotes projects and announcements through natural language, including customization of themes, colors, content, and publishing announcements with full read/write access via the LaunchNotes GraphQL API.2217 npmMITWhy this server?
Connects to IBM FileNet Content Platform Engine via Content Services GraphQL API, enabling document management, version control, folder operations, search, and metadata management for enterprise content stored in FileNet Content Manager.

Core Content Services MCPofficial
AlicenseBqualityCmaintenanceEnables AI models to interact with IBM FileNet Content Manager for document management, folder operations, metadata handling, search, and content extraction through a standardized interface.2615Apache 2.0Why this server?
Provides tools for executing GraphQL queries and introspecting schemas against any GraphQL endpoint, with support for dynamic headers, filtered schema introspection, and configurable mutation controls
AlicenseAqualityAmaintenanceEnhanced MCP server for GraphQL with filtered introspection and full variable support.85227,915 npm6MITWhy this server?
Provides GraphQL querying capabilities specifically for Aptos blockchain data, allowing structured data retrieval through GraphQL endpoints.

Nodit MCP Serverofficial
AlicenseAqualityCmaintenanceConnects AI agents and developers to structured blockchain data across multiple networks through Nodit's Web3 infrastructure, enabling easy querying, analysis and interaction with blockchain ecosystems without specialized development expertise.979 npm23Apache 2.0Why this server?
Provides access to the Open Targets Platform GraphQL API for querying comprehensive target-disease associations, drug discovery data, and executing batch queries with entity search capabilities across targets, diseases, drugs, variants, and studies.
AlicenseAqualityDmaintenanceEnables AI assistants to interact with the Open Targets Platform API to search and retrieve comprehensive data about target-disease associations, drugs, genes, and drug discovery information through GraphQL queries.537Apache 2.0