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"packageClaimId": "C058", "packageClaim": "Official current versioning guidance distinguishes modern 2026-07-28+ behavior from legacy 2025-11-25 and earlier behavior.", "claim": "Official current versioning guidance distinguishes modern 2026-07-28+ behavior from legacy 2025-11-25 and earlier behavior.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S003" ], "supplementalSourceIds": [], "sourceIds": [ "S056" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C059", "packageClaimId": "C059", "packageClaim": "Official SDKs may support both legacy and current protocol eras.", "claim": "Official SDKs may support both legacy and current protocol eras.", "dateRange": "2026-07-28–present", "specVersion": "Multi-version", "packageSourceIds": [ "S027", "S030", "S031" ], "supplementalSourceIds": [], "sourceIds": [ "S253", "S254", "S255" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C060", "packageClaimId": "C060", "packageClaim": "The current specification does not make every legacy server universally unusable.", "claim": "The current specification does not make every legacy server universally unusable.", "dateRange": "2026-07-28–present", "specVersion": "Multi-version", "packageSourceIds": [ "S003", "S027" ], "supplementalSourceIds": [], "sourceIds": [ "S056", "S253" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C061", "packageClaimId": "C061", "packageClaim": "The current specification separates transport from protocol semantics.", "claim": "The current specification separates transport from protocol semantics.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S005" ], "supplementalSourceIds": [], "sourceIds": [ "S057" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C062", "packageClaimId": "C062", "packageClaim": "Current standard transports include stdio and Streamable HTTP.", "claim": "Current standard transports include stdio and Streamable HTTP.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S005" ], "supplementalSourceIds": [], "sourceIds": [ "S057" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C063", "packageClaimId": "C063", "packageClaim": "In the stdio pattern, the client launches the server subprocess.", "claim": "In the stdio pattern, the client launches the server subprocess.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S006" ], "supplementalSourceIds": [], "sourceIds": [ "S132" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C064", "packageClaimId": "C064", "packageClaim": "stdio carries newline-delimited JSON-RPC over stdin and stdout.", "claim": "stdio carries newline-delimited JSON-RPC over stdin and stdout.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S006" ], "supplementalSourceIds": [], "sourceIds": [ "S132" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C065", "packageClaimId": "C065", "packageClaim": "stdio servers should use stderr rather than stdout for ordinary logs.", "claim": "stdio servers should use stderr rather than stdout for ordinary logs.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S006" ], "supplementalSourceIds": [], "sourceIds": [ "S132" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C066", "packageClaimId": "C066", "packageClaim": "A local MCP server may have the operating-system authority of the user or process that launches it.", "claim": "A local MCP server may have the operating-system authority of the user or process that launches it.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S006", "S055" ], "supplementalSourceIds": [], "sourceIds": [ "S132", "S272" ], "confidence": "STRONGLY_SUPPORTED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C067", "packageClaimId": "C067", "packageClaim": "Not every local MCP implementation must use stdio.", "claim": "Not every local MCP implementation must use stdio.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S005", "S029" ], "supplementalSourceIds": [], "sourceIds": [ "S057", "S167" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C068", "packageClaimId": "C068", "packageClaim": "Current Streamable HTTP uses a single MCP endpoint.", "claim": "Current Streamable HTTP uses a single MCP endpoint.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S007" ], "supplementalSourceIds": [], "sourceIds": [ "S131" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C069", "packageClaimId": "C069", "packageClaim": "Current Streamable HTTP sends MCP requests as HTTP POST operations.", "claim": "Current Streamable HTTP sends MCP requests as HTTP POST operations.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S007" ], "supplementalSourceIds": [], "sourceIds": [ "S131" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C070", "packageClaimId": "C070", "packageClaim": "A current Streamable HTTP response may be JSON or request-scoped SSE.", "claim": "A current Streamable HTTP response may be JSON or request-scoped SSE.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S007" ], "supplementalSourceIds": [], "sourceIds": [ "S131" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C071", "packageClaimId": "C071", "packageClaim": "The current transport removed the prior general GET stream.", "claim": "The current transport removed the prior general GET stream.", "dateRange": "2026-07-28", "specVersion": "2026-07-28", "packageSourceIds": [ "S007" ], "supplementalSourceIds": [], "sourceIds": [ "S131" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C072", "packageClaimId": "C072", "packageClaim": "Current remote MCP does not require sticky routing for protocol-session state.", "claim": "Current remote MCP does not require sticky routing for protocol-session state.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S013", "S015" ], "supplementalSourceIds": [], "sourceIds": [ "S058", "S061" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C073", "packageClaimId": "C073", "packageClaim": "One logical server can be implemented by multiple remote replicas.", "claim": "One logical server can be implemented by multiple remote replicas.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S013", "S015" ], "supplementalSourceIds": [], "sourceIds": [ "S058", "S061" ], "confidence": "STRONGLY_SUPPORTED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C074", "packageClaimId": "C074", "packageClaim": "One logical client-server relationship is not equivalent to one TCP connection.", "claim": "One logical client-server relationship is not equivalent to one TCP connection.", "dateRange": "2026-07-28–present", "specVersion": "2026-07-28", "packageSourceIds": [ "S001", "S007" ], "supplementalSourceIds": [], "sourceIds": [ "S121", "S131" ], "confidence": "STRONGLY_SUPPORTED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C075", "packageClaimId": "C075", "packageClaim": "A gateway is an ecosystem deployment role rather than a fourth core MCP role.", "claim": "A gateway is an ecosystem deployment role rather than a fourth core MCP role.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S001", "S005" ], "supplementalSourceIds": [], "sourceIds": [ "S121", "S057" ], "confidence": "STRONGLY_SUPPORTED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C076", "packageClaimId": "C076", "packageClaim": "Tools are callable server-exposed operations.", "claim": "Tools are callable server-exposed operations.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S009" ], "supplementalSourceIds": [], "sourceIds": [ "S123" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C077", "packageClaimId": "C077", "packageClaim": "Resources are a distinct URI-addressed server primitive.", "claim": "Resources are a distinct URI-addressed server primitive.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S010" ], "supplementalSourceIds": [], "sourceIds": [ "S124" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C078", "packageClaimId": "C078", "packageClaim": "MCP prompts are server-exposed prompt templates, not automatically model system prompts.", "claim": "MCP prompts are server-exposed prompt templates, not automatically model system prompts.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S011" ], "supplementalSourceIds": [], "sourceIds": [ "S125" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C079", "packageClaimId": "C079", "packageClaim": "A tool result is not automatically an MCP resource.", "claim": "A tool result is not automatically an MCP resource.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S009", "S010" ], "supplementalSourceIds": [], "sourceIds": [ "S123", "S124" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C080", "packageClaimId": "C080", "packageClaim": "The host decides whether resource content enters model context.", "claim": "The host decides whether resource content enters model context.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S001", "S010" ], "supplementalSourceIds": [], "sourceIds": [ "S121", "S124" ], "confidence": "STRONGLY_SUPPORTED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C081", "packageClaimId": "C081", "packageClaim": "The host decides how MCP prompts are presented or applied.", "claim": "The host decides how MCP prompts are presented or applied.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S001", "S011" ], "supplementalSourceIds": [], "sourceIds": [ "S121", "S125" ], "confidence": "STRONGLY_SUPPORTED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C082", "packageClaimId": "C082", "packageClaim": "Tool names can collide across different servers and require client/host disambiguation.", "claim": "Tool names can collide across different servers and require client/host disambiguation.", "dateRange": "2024-11-05–present", "specVersion": "All", "packageSourceIds": [ "S009" ], "supplementalSourceIds": [], "sourceIds": [ "S123" ], "confidence": "VERIFIED", "durability": "DURABLE", "notes": "" }, { "claimId": "R5-C083", "packageClaimId": "C083", "packageClaim": "Claude Desktop is classified in this research as host=Yes, client=Yes, server=No by default.", "claim": "When a desktop extension or remote connector is configured, Claude Desktop is an MCP host. It connects locally to desktop-extension MCP servers or uses Anthropic-managed cloud connection infrastructure for remote connectors; no general MCP server role is documented for Claude Desktop.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S035", "S037", "S038" ], "supplementalSourceIds": [], "sourceIds": [ "S258", "S260", "S145" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Scoped to configured MCP functionality and separated local desktop extensions from cloud-brokered remote connectors.", "editorialCorrection": "Scoped to configured MCP functionality and separated local desktop extensions from cloud-brokered remote connectors." }, { "claimId": "R5-C084", "packageClaimId": "C084", "packageClaim": "Claude Code is classified in this research as host=Yes, client=Yes, server=Optional.", "claim": "Claude Code is classified in this research as host=Yes, client=Yes, server=Optional.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S036" ], "supplementalSourceIds": [], "sourceIds": [ "S259" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Bundled product can contain host and client roles and optionally instantiate a server role" }, { "claimId": "R5-C085", "packageClaimId": "C085", "packageClaim": "Claude.ai / Claude remote connectors is classified in this research as host=Yes, client=Yes, cloud-operated, server=No.", "claim": "When a remote connector is enabled, the Claude surface—web, mobile, Cowork, Desktop, or Claude Code—is the user-facing host; the MCP connection originates from Anthropic cloud infrastructure; that surface is not the connected MCP server.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S035", "S038" ], "supplementalSourceIds": [], "sourceIds": [ "S258", "S145" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Expanded the current documented Claude surfaces and clarified the cloud connection boundary.", "editorialCorrection": "Expanded the current documented Claude surfaces and clarified the cloud connection boundary." }, { "claimId": "R5-C086", "packageClaimId": "C086", "packageClaim": "Anthropic Messages API MCP connector is classified in this research as host=Developer application remains orchestration host, client=Hosted by Anthropic for remote servers, server=No.", "claim": "For the beta Messages API MCP connector, the developer application remains the application-level orchestrator; Anthropic’s managed connector connects to public HTTPS remote MCP servers over Streamable HTTP or legacy SSE and exposes tools only; the connector is not an MCP server.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S039" ], "supplementalSourceIds": [], "sourceIds": [ "S175" ], "confidence": "STRONGLY_SUPPORTED", "durability": "LIVE-CHECK REQUIRED", "notes": "Added the current beta, transport, public-HTTPS, and tools-only constraints.", "editorialCorrection": "Added the current beta, transport, public-HTTPS, and tools-only constraints." }, { "claimId": "R5-C087", "packageClaimId": "C087", "packageClaim": "ChatGPT is classified in this research as host=Yes, client=Yes, cloud-operated, server=No.", "claim": "When an MCP app is enabled in a supported ChatGPT web product mode, ChatGPT is the user/model host and OpenAI-managed infrastructure performs remote MCP client behavior; ChatGPT is not the connected MCP server.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S040", "S041" ], "supplementalSourceIds": [], "sourceIds": [ "S140", "S262" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Scoped the role classification to enabled MCP functionality and supported web product modes.", "editorialCorrection": "Scoped the role classification to enabled MCP functionality and supported web product modes." }, { "claimId": "R5-C088", "packageClaimId": "C088", "packageClaim": "OpenAI Agents SDK application is classified in this research as host=The developer's application, client=Yes through SDK classes or hosted MCP tool, server=Optional, separate implementation.", "claim": "In an OpenAI Agents SDK application, the developer’s running application is the host; HostedMCPTool or SDK MCP connection classes provide MCP client behavior. The cited MCP integration documents no built-in MCP server role.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S042" ], "supplementalSourceIds": [], "sourceIds": [ "S090" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Removed the unsupported implication that the cited Agents SDK integration includes a built-in server role.", "editorialCorrection": "Removed the unsupported implication that the cited Agents SDK integration includes a built-in server role." }, { "claimId": "R5-C089", "packageClaimId": "C089", "packageClaim": "Visual Studio Code agent experience is classified in this research as host=Yes, client=Yes, server=Not by default.", "claim": "Visual Studio Code agent experience is classified in this research as host=Yes, client=Yes, server=Not by default.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S043", "S044", "S045", "S046" ], "supplementalSourceIds": [ "S270" ], "sourceIds": [ "S141", "S263", "S088", "S264", "S270" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "VS Code is the host; it creates client relationships to configured servers" }, { "claimId": "R5-C090", "packageClaimId": "C090", "packageClaim": "GitHub Copilot coding agent is classified in this research as host=Yes, cloud agent environment, client=Yes, server=No.", "claim": "When MCP is configured, GitHub Copilot cloud agent is the hosted host/orchestrator and uses MCP client behavior for configured servers; no general MCP server role is documented for this surface.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S047", "S048" ], "supplementalSourceIds": [], "sourceIds": [ "S265", "S266" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Updated the product name and scoped the classification to configured MCP functionality.", "editorialCorrection": "Updated the product name and scoped the classification to configured MCP functionality." }, { "claimId": "R5-C091", "packageClaimId": "C091", "packageClaim": "GitHub Copilot Chat on GitHub is classified in this research as host=Yes, client=Yes, server=No.", "claim": "GitHub Copilot Chat on GitHub is classified in this research as host=Yes, client=Yes, server=No.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S049" ], "supplementalSourceIds": [], "sourceIds": [ "S267" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Chat product is host; GitHub MCP server is a separate server implementation" }, { "claimId": "R5-C092", "packageClaimId": "C092", "packageClaim": "GitHub Copilot CLI is classified in this research as host=Yes, client=Yes, server=No by default.", "claim": "GitHub Copilot CLI is classified in this research as host=Yes, client=Yes, server=No by default.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S050" ], "supplementalSourceIds": [], "sourceIds": [ "S268" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "CLI is a host application containing client implementations" }, { "claimId": "R5-C093", "packageClaimId": "C093", "packageClaim": "Cursor editor / CLI is classified in this research as host=Yes, client=Yes, server=No by default.", "claim": "Cursor IDE/Agent Window and Cursor CLI are distinct MCP host surfaces that share MCP configuration and consume configured servers; neither surface is thereby the configured MCP server.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S051" ], "supplementalSourceIds": [ "S283" ], "sourceIds": [ "S269", "S283" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Separated the editor and CLI surfaces and avoided generalizing the classification to Cursor Cloud Agents.", "editorialCorrection": "Separated the editor and CLI surfaces and avoided generalizing the classification to Cursor Cloud Agents." }, { "claimId": "R5-C094", "packageClaimId": "C094", "packageClaim": "Gemini CLI is classified in this research as host=Yes, client=Yes, server=No by default.", "claim": "Gemini CLI is classified in this research as host=Yes, client=Yes, server=No by default.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S052", "S053" ], "supplementalSourceIds": [], "sourceIds": [ "S144", "S271" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Gemini CLI coordinates model and tools and maintains MCP client connections" }, { "claimId": "R5-C095", "packageClaimId": "C095", "packageClaim": "Zed Agent is classified in this research as host=Yes, client=Yes, server=No by default.", "claim": "Zed Agent is classified in this research as host=Yes, client=Yes, server=No by default.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S054", "S055", "S056" ], "supplementalSourceIds": [ "S284" ], "sourceIds": [ "S022", "S272", "S273", "S284" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Zed owns the UI, model context and permission layer; connected server extensions remain separate implementations" }, { "claimId": "R5-C096", "packageClaimId": "C096", "packageClaim": "JetBrains AI Assistant is classified in this research as host=Yes, client=Yes, server=Separate IDE feature, not the client role itself.", "claim": "JetBrains AI Assistant is classified in this research as host=Yes, client=Yes, server=Separate IDE feature, not the client role itself.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S057", "S059", "S060" ], "supplementalSourceIds": [], "sourceIds": [ "S274", "S276", "S277" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "AI Assistant is the host/client side of the JetBrains product suite" }, { "claimId": "R5-C097", "packageClaimId": "C097", "packageClaim": "JetBrains IDE integrated MCP Server is classified in this research as host=No in this role, client=No in this role, server=Yes.", "claim": "JetBrains IDE integrated MCP Server is classified in this research as host=No in this role, client=No in this role, server=Yes.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S058", "S059" ], "supplementalSourceIds": [], "sourceIds": [ "S275", "S276" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "Same IDE suite can implement a server role distinct from AI Assistant's client role" }, { "claimId": "R5-C098", "packageClaimId": "C098", "packageClaim": "Custom application built with an official SDK is classified in this research as host=Optional and common, client=Optional and common, server=Optional.", "claim": "Custom application built with an official SDK is classified in this research as host=Optional and common, client=Optional and common, server=Optional.", "dateRange": "Snapshot 2026-08-25", "specVersion": "Current product state", "packageSourceIds": [ "S026", "S029", "S032", "S033" ], "supplementalSourceIds": [], "sourceIds": [ "S252", "S167", "S256", "S257" ], "confidence": "STRONGLY_SUPPORTED", "durability": "LIVE-CHECK REQUIRED", "notes": "Classify the running component, not the dependency name" }, { "claimId": "R5-C099", "packageClaimId": "C099", "packageClaim": "Claude Code can connect to external MCP servers.", "claim": "Claude Code can connect to external MCP servers.", "dateRange": "Current as of 2026-08-25", "specVersion": "Product state", "packageSourceIds": [ "S036" ], "supplementalSourceIds": [], "sourceIds": [ "S259" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "" }, { "claimId": "R5-C100", "packageClaimId": "C100", "packageClaim": "Claude Code can optionally expose itself through `claude mcp serve`.", "claim": "Claude Code can optionally expose itself through `claude mcp serve`.", "dateRange": "Current as of 2026-08-25", "specVersion": "Product state", "packageSourceIds": [ "S036" ], "supplementalSourceIds": [], "sourceIds": [ "S259" ], "confidence": "VERIFIED", "durability": "LIVE-CHECK REQUIRED", "notes": "" }, { "claimId": "R5-C101", "packageClaimId": "C101", "packageClaim": "Claude remote connector connections can originate from Anthropic cloud infrastructure.", "claim": "Custom remote-connector connections originate from Anthropic cloud infrastructure across Claude web, mobile, Cowork, Desktop, and Claude Code; 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