@@ -189,7 +189,7 @@ A production memory record can include:
 
 Relational databases work well for identities, permissions, exact facts, tasks, and state transitions. Vector indexes help find semantically related text. Object storage can retain larger artifacts. Event logs preserve an auditable sequence of changes.
 
-Teams using PostgreSQL can also review [How to Use a Postgres MCP Server With AI Agents: Security, Deployment, and Evaluation](https://www.sim.ai/library/postgres-mcp-server-ai-agents) for guidance on exposing database operations safely.
+The Model Context Protocol (MCP) is a standard for connecting AI applications to external tools and data sources. Teams using PostgreSQL can also review [How to Use a Postgres MCP Server With AI Agents: Security, Deployment, and Evaluation](https://www.sim.ai/library/postgres-mcp-server-ai-agents) for guidance on exposing database operations safely.
 
 ## Which platforms support persistent memory for AI agents?
 
@@ -260,7 +260,7 @@ For the broader platform category rather than the memory-specific question, see
 
 Sim, LangGraph, the OpenAI Agents SDK, and n8n differ in license, deployment model, and billing basis as well as memory architecture.
 
-- **Sim:** As of October 2026, Sim’s core is licensed under Apache 2.0 and can be self-hosted, while code in `apps/sim/ee` is governed by the separate [Sim Enterprise License](https://github.com/simstudioai/sim/blob/main/apps/sim/ee/LICENSE), whose production use requires an active Sim Enterprise subscription; [Sim Cloud workspace BYOK is available on every plan, and hosted model keys carry approximately a 1.1x multiplier on provider cost](https://docs.sim.ai/platform/costs).
+- **Sim:** As of October 2026, Sim’s core is licensed under Apache 2.0 and can be self-hosted, while code in `apps/sim/ee` is governed by the separate [Sim Enterprise License](https://github.com/simstudioai/sim/blob/main/apps/sim/ee/LICENSE), whose production use requires an active Sim Enterprise subscription; [Sim Cloud workspace bring-your-own-key (BYOK) access is available on every plan, and hosted model keys carry approximately a 1.1x multiplier on provider cost](https://docs.sim.ai/platform/costs).
 - **LangGraph:** As of October 2026, the LangGraph library uses the [MIT License](https://github.com/langchain-ai/langgraph/blob/main/LICENSE), can run in an application’s own environment, and has no library billing unit; optional LangSmith services have separate terms and usage described on the official [LangSmith pricing page](https://www.langchain.com/pricing).
 - **OpenAI Agents SDK:** As of October 2026, the OpenAI Agents SDK uses the [MIT License](https://github.com/openai/openai-agents-python/blob/main/LICENSE), can be incorporated into self-managed applications, and has no separate SDK fee; model and hosted-tool usage is billed under the official [OpenAI API pricing](https://openai.com/api/pricing/).
 - **n8n:** As of October 2026, n8n is self-hostable under the source-available [Sustainable Use License](https://github.com/n8n-io/n8n/blob/master/LICENSE.md), which is not OSI-approved, while n8n Cloud uses workflow executions as its primary billing unit according to the official [n8n pricing page](https://n8n.io/pricing/).