"React Query" matching MCP servers:

Provides 10 structured reasoning strategies (Chain of Thought, ReAct, Tree of Thoughts, etc.) for complex problem-solving with session persistence, branching, and tool integration capabilities.

Exposes GuestGraph's mental model over MCP, letting clients query its types, schemas, rules, and entity references.

Enables AI agents to query and modify RDF data, list named graphs, and access pre-built SPARQL templates on a Fuseki server, with optional HTTP Basic authentication.

Enables AI agents to query live schema, lineage, and query-context across data warehouses, dbt projects, orchestration systems, and BI tools via MCP tools.

Connects to an embedded Kuzu graph database and provides read-only MCP tools for AI clients to query a knowledge graph.

Enables AI assistants to manage documents, query knowledge graphs, and perform retrieval-augmented generation using LightRAG with 30 tools and multiple query modes.

Enables fast, targeted queries against an Obsidian vault knowledge graph using tools like search, neighbor traversal, and pathfinding, without needing to load the full graph into LLM context.

Enables AI assistants to query semantic data via SPARQL endpoints, with support for multiple output formats and caching.

Enables AI agents to store and retrieve typed facts with bi-temporal validity, supersede outdated information, and query what was true as of any past date.

Production-ready MCP server for Neo4j graph databases, enabling natural language to Cypher query translation with enterprise security and async performance.

Read-only MCP server for accessing local Kindle library data, exposing tools to query profile, health, and book metadata.

Provides a memory layer for personal agents, enabling MCP-compatible agents to store and query profile, factual, episodic, and procedural memory.

Provides hybrid search over local markdown knowledge bases using BM25 keyword search and vector semantic search. Enables indexing, querying, and retrieving markdown documentation with dual-mode support for local and remote agents.

A tree whose vocabulary, rules and solvers are data, edited at runtime through generic tree_* tools. Rules go red on the node that breaks them, so it works as a design-dexision ledger on any checked knowledge base.

Enables Claude to query Neo4j databases using natural language, running on Cloudflare Workers for serverless deployment.

Enables LLMs to query the RCE Cultural Heritage SPARQL endpoint using ontology context, query validation, and predefined tools.

Persistent, append-only event log for AI agent coordination, enabling agents to publish, query, and react to structured events across tools and sessions.

MCP server for TheDaninFamily database with tools to query family events and dates.

An MCP server that transforms natural language questions into SQL, executes queries on PostgreSQL, and returns human-friendly responses, with Redis memory for context.

A Node.js gateway that exposes FlureeDB functionality through MCP, enabling LLM clients to query, mutate, and manage Fluree ledgers interactively.