Best AI & reasoning MCP servers

A knowledge-graph memory the model can read and write across turns.

A tool for step-by-step reasoning and problem decomposition.

Pull up-to-date, version-specific library docs into the model.

Generate React UI components from a natural-language prompt.

Ask the Perplexity Sonar models for sourced answers.

Search and fetch papers from arXiv.

Query and manage Pinecone vector indexes.

Store and retrieve vectors from a Qdrant database.

Retrieve from an AWS Bedrock knowledge base.

Generate images with the EverArt API.