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Anthropic MCP Integration for Codex
Connect Anthropic to Codex through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.
Connect Anthropic to Codex
Use KosmoKrator as a local MCP proxy for Codex so coding sessions can reach selected integrations with explicit write policy.
Register kosmo mcp:serve as a local stdio server and choose the integration allowlist. The gateway is local, scoped to this integration, and starts with
--write=deny so Codex can inspect read-capable tools without receiving write access by default.
Anthropic MCP Config for Codex
Keep write access denied or ask-based unless the workspace is trusted.
{
"mcpServers": {
"kosmokrator-anthropic": {
"type": "stdio",
"command": "kosmo",
"args": [
"mcp:serve",
"--integration=anthropic",
"--write=deny"
]
}
}
} Run the Gateway Manually
kosmokrator mcp:serve --integration=anthropic --write=deny Why Use KosmoKrator Here
Expose only Anthropic instead of a broad multi-service tool list.
Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.
Start read-only, then opt into ask or allow for trusted workspaces.
Anthropic Tools Visible to Codex
Codex sees stable MCP tool names generated from the Anthropic integration catalog.
| MCP tool | Source function | Type | Description |
|---|---|---|---|
integration__anthropic__anthropic_list_messages | anthropic.anthropic_list_messages | Read | List messages in the Anthropic conversation history. Returns paginated message resources with optional filtering by model, date, and ID. |
integration__anthropic__anthropic_create_message | anthropic.anthropic_create_message | Write | Send a prompt to Claude and receive an AI-generated response. Supports multi-turn conversations, system prompts, temperature control, and configurable output length. |
integration__anthropic__anthropic_list_models | anthropic.anthropic_list_models | Read | List available Anthropic AI models. Returns model identifiers, creation dates, and display names. |
integration__anthropic__anthropic_get_model | anthropic.anthropic_get_model | Read | Get detailed information about a specific Anthropic model, including its display name, creation date, and capabilities. |
integration__anthropic__anthropic_list_workspaces | anthropic.anthropic_list_workspaces | Read | List Anthropic workspaces. Returns workspace identifiers, names, and configuration details. |
integration__anthropic__anthropic_get_workspace | anthropic.anthropic_get_workspace | Read | Get detailed information about a specific Anthropic workspace, including its name, configuration, and usage settings. |
integration__anthropic__anthropic_get_current_user | anthropic.anthropic_get_current_user | Read | Get the authenticated user's profile and account information. |