GraphOS MCP Server MCP server

Provides access to Apollo's documentation and graph-building capabilities through Model Context Protocol (MCP). It allows AI assistants to access Apollo's documentation and best practices directly in agentic development workflows, helping users build and evolve graphs, prototype API integrations, and experiment with different design approaches through natural language interactions.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Apollo GraphQL

MCP endpoint (Streamable HTTP)

https://mcp.apollographql.com

Vendor documentation

What you can do with it

Access Apollo's documentation and best practices
Build and evolve graphs
Prototype API integrations
Experiment with design approaches

Tools advertised by the last live check:

DeleteSubgraph
GetSchemaChecks
GetPersistedQueryListStatus
GetSupergraphSchema
ApolloDocsRead
GetCheckResults
ApolloDocsSearch
ValidateOperations
PublishContract
PublishReadme
GetLatestLaunch
GetLaunch
LintSchema
ApolloConnectorsSpec
GetLintResults
GetContractConfig
GetClientMetrics
RunSchemaCheck
PublishGraphSchema
PublishSubgraph
DeleteGraph
GetSubgraphSchema
GetSubgraphMetrics
GetVariantDetails
GetOperationMetrics
RunSubgraphCheck
GetReadme
GetLaunchHistory
GetMyIdentity
GetGraphSchema
PublishPersistedQueries
GetTopOperations

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http graphos-mcp-server https://mcp.apollographql.com

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add graphos-mcp-server --url https://mcp.apollographql.com

Cursor

Merge this server into .cursor/mcp.json in your project, then enable graphos-mcp-server in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "graphos-mcp-server": {
      "url": "https://mcp.apollographql.com"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "graphos-mcp-server": {
      "type": "streamableHttp",
      "url": "https://mcp.apollographql.com",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start graphos-mcp-server and inspect its tools.

VS Code configuration

{
  "servers": {
    "graphos-mcp-server": {
      "type": "http",
      "url": "https://mcp.apollographql.com"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http graphos-mcp-server https://mcp.apollographql.com

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "graphos-mcp-server": {
      "url": "https://mcp.apollographql.com"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "graphos-mcp-server": {
      "serverUrl": "https://mcp.apollographql.com"
    }
  }
}

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