{"data":{"id":"2a877872-c214-4517-95f9-796faa3e9066","title":"Adding a custom MCP server to Claude and ChatGPT","summary":"This article discusses how to connect a custom MCP server (model context protocol, a system that lets AI assistants access external tools and data sources) to Claude and ChatGPT's web interfaces. The author notes that while both chat applications support MCP servers, the setup process is not straightforward and requires multiple steps.","solution":"N/A -- no mitigation discussed in source.","labels":["industry"],"sourceUrl":"https://simonwillison.net/2026/Jul/29/mcp-in-claude-and-chatgpt/#atom-everything","publishedAt":"2026-07-29T00:13:18.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedVendors":["OpenAI","Anthropic"],"affectedVendorsRaw":["Claude","ChatGPT","OpenAI","Anthropic"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"patchAvailable":null,"disclosureDate":"2026-07-29T00:13:18.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":null,"aiComponentTargeted":"api","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}