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MCPClient — claude-code Architecture

Subdomain AgentTooling MCPClient

Implements the Model Context Protocol for secure external tool communication.

Entity Profile

Relationship Graph

Domain

Functions

  • AgentMcpServerSpecSchema()
  • AgentPromptDisplay()
  • AgentTool.call()
  • AgentTool.checkPermissions()
  • AgentTool.description()
  • AgentTool.getActivityDescription()
  • AgentTool.inputSchema()
  • AgentTool.isConcurrencySafe()
  • AgentTool.isReadOnly()
  • AgentTool.mapToolResultToToolResultBlockParam()
  • AgentTool.outputSchema()
  • AgentTool.prompt()
  • AgentTool.toAutoClassifierInput()
  • CLAUDE_CODE_GUIDE_AGENT.getSystemPrompt()
  • ChannelPermissionNotificationSchema()
  • EXPLORE_AGENT.getSystemPrompt()
  • LogEventNotificationSchema()
  • MCPConnectionManager()
  • MIGRATIONS()
  • McpHTTPServerConfigSchema()
  • McpOAuthConfigSchema()
  • McpServerConfigSchema()
  • McpWebSocketIDEServerConfigSchema()
  • NOOP()
  • NOOP_HANDLER()
  • NOOP_HELPERS.clearBuffer()
  • NOOP_HELPERS.resetHistory()
  • NOOP_HELPERS.setCursorOffset()
  • NOOP_SNAPSHOT()
  • NOOP_SUBSCRIBE()
  • NOOP_UNSUB()
  • PLAN_AGENT.getSystemPrompt()
  • STATUSLINE_SETUP_AGENT.getSystemPrompt()
  • SyntheticOutputTool.call()
  • SyntheticOutputTool.checkPermissions()
  • SyntheticOutputTool.description()
  • SyntheticOutputTool.inputSchema()
  • SyntheticOutputTool.isConcurrencySafe()
  • SyntheticOutputTool.isEnabled()
  • SyntheticOutputTool.isOpenWorld()
  • SyntheticOutputTool.isReadOnly()
  • SyntheticOutputTool.mapToolResultToToolResultBlockParam()
  • SyntheticOutputTool.outputSchema()
  • SyntheticOutputTool.prompt()
  • SyntheticOutputTool.renderToolResultMessage()
  • SyntheticOutputTool.renderToolUseErrorMessage()
  • SyntheticOutputTool.renderToolUseMessage()
  • SyntheticOutputTool.renderToolUseProgressMessage()
  • SyntheticOutputTool.renderToolUseRejectedMessage()
  • TransportSchema()
  • VERIFICATION_AGENT.getSystemPrompt()
  • VerboseAgentTranscript()
  • _temp2()
  • addErrorsToAppState()
  • agentToolResultSchema()
  • areMcpConfigsEqual()
  • buildCodeEditToolAttributes()
  • buildForkedMessages()
  • buildMcpToolName()
  • buildSyntheticOutputTool()
  • callIdeRpc()
  • callMCPTool()
  • callMCPToolWithUrlElicitationRetry()
  • claudeInChromeToolRendering()
  • clearIdpClientSecret()
  • clearMcpAuthCache()
  • clearMcpClientConfig()
  • clearServerCache()
  • clientInformation()
  • clientMetadata()
  • clientMetadataUrl()
  • computerUseWrapper()
  • connectToServer()
  • constructor()
  • constructor()
  • constructor()
  • contentContainsImages()
  • copySnapshotToLocal()
  • countToolUses()
  • createChannelPermissionCallbacks()
  • createClaudeAiProxyFetch()
  • createNodeWsClient()
  • createPermissionContext()
  • createSyntheticOutputTool()
  • dedupClaudeAiMcpServers()
  • describeMcpConfigFilePath()
  • discoverOidc()
  • discoverProtectedResource()
  • discoveryState()
  • ensureConnectedClient()
  • ensureTransport()
  • exchangeJwtAuthGrant()
  • expandEnvVars()
  • extractAgentMcpServers()
  • extractLastToolInfo()
  • extractMcpToolDisplayName()
  • extractPartialResult()
  • extractToolUseId()
  • fetchCommandsForClient()
  • fetchResourcesForClient()
  • fetchToolsForClient()
  • filterIncompleteToolCalls()
  • filterToolsForAgent()
  • finalizeAgentTool()
  • findChannelEntry()
  • findChromeClient()
  • getAgentColor()
  • getAgentSystemPrompt()
  • getAutoBackgroundMs()
  • getConnectionTimeoutMs()
  • getElicitationMode()
  • getEnterpriseMcpFilePath()
  • getFeedbackGuideline()
  • getIdpClientSecret()
  • getLastToolUseName()
  • getMcpAllowlistSettings()
  • getMcpAuthCache()
  • getMcpAuthCachePath()
  • getMcpClientConfig()
  • getMcpHeadersFromHelper()
  • getMcpOAuthCallbackPort()
  • getMcpPrefix()
  • getMcpServerConnectionBatchSize()
  • getMcpServerScopeFromToolName()
  • getMcpToolTimeoutMs()
  • getMcpToolsCommandsAndResources()
  • getOverrideSourceLabel()
  • getParseError()
  • getPathsForSuggestions()
  • getPlanV2SystemPrompt()
  • getProjectMcpConfigsFromCwd()
  • getRemoteMcpServerConnectionBatchSize()
  • getScopeFromMetadata()
  • getServerCacheKey()
  • getServerCommandArray()
  • getSnapshotDirForAgent()
  • getSnapshotJsonPath()
  • getToolNameForPermissionCheck()
  • getXaaIdpSettings()
  • handleRemoteAuthFailure()
  • hasProgressMessage()
  • hashMcpConfig()
  • hashToId()
  • inferCompactSchema()
  • initializeAgentMcpServers()
  • initializeAgentMemorySnapshots()
  • initializeFromSnapshot()
  • inputSchema()
  • isAgentMemoryPath()
  • isChannelsEnabled()
  • isCodeEditingTool()
  • isCustomAgent()
  • isHTTPConfig()
  • isIncludedMcpTool()
  • isLocalMcpServer()
  • isMcpAuthCached()
  • isMcpServerDisabled()
  • isMcpSessionExpiredError()
  • isMcpTool()
  • isStdioConfig()
  • isSyntheticOutputToolEnabled()
  • isToolFromMcpServer()
  • loadAgentMemoryPrompt()
  • makeXaaFetch()
  • mcpBaseUrlAnalytics()
  • mcpToolInputToAutoClassifierInput()
  • normalizeLanguageForSTT()
  • normalizeNameForMCP()
  • parseAgentFromMarkdown()
  • parseMcpConfig()
  • performMCPOAuthFlow()
  • performMCPXaaAuth()
  • persistBlobToTextBlock()
  • prefetchAllMcpResources()
  • prefetchOfficialMcpUrls()
  • processBatched()
  • processMCPResult()
  • readClientSecret()
  • reconnectMcpServerImpl()
  • redactTokens()
  • renderGroupedAgentToolUse()
  • renderToolResultMessage()
  • renderToolUseErrorMessage()
  • renderToolUseMessage()
  • renderToolUseProgressMessage()
  • renderToolUseRejectedMessage()
  • renderToolUseTag()
  • resetOfficialMcpUrlsForTesting()
  • resolveAgentModelDisplay()
  • resolveAgentTools()
  • runElicitationResultHooks()
  • sanitizeAgentTypeForPath()
  • saveClientInformation()
  • saveIdpClientSecret()
  • saveIdpIdToken()
  • saveMcpClientSecret()
  • scheduledForTaskListId()
  • setMcpAuthCacheEntry()
  • setupSdkMcpClients()
  • shouldAllowManagedMcpServersOnly()
  • shouldInjectAgentListInMessages()
  • transformMCPResult()
  • transformResultContent()
  • truncateForPreview()
  • unwrapCcrProxyUrl()
  • useCanUseTool()
  • useExitOnCtrlCD()
  • useExitOnCtrlCDWithKeybindings()
  • useMainLoopModel()
  • useManageMCPConnections()
  • useModelMigrationNotifications()
  • waitForCallback()
  • wrapFetchWithTimeout()

Frequently Asked Questions

What is the MCPClient subdomain?
MCPClient is a subdomain in the claude-code codebase, part of the AgentTooling domain. Implements the Model Context Protocol for secure external tool communication. It contains 0 source files.
Which domain does MCPClient belong to?
MCPClient belongs to the AgentTooling domain.
What functions are in MCPClient?
The MCPClient subdomain contains 213 function(s): AgentMcpServerSpecSchema, AgentPromptDisplay, AgentTool.call, AgentTool.checkPermissions, AgentTool.description, AgentTool.getActivityDescription, AgentTool.inputSchema, AgentTool.isConcurrencySafe, and 205 more.