"Exploring GraphRAG and HybridRAG" matching MCP servers:

Read-only, PII-masked MCP server for querying data federated through DuckDB — list sources/tables, inspect schemas, and run SQL across Postgres, MySQL, SQLite, Snowflake, BigQuery, Excel, and files, governed per source/table/column by a charter.yaml contract. Snowflake, BigQuery, Excel, and files, governed per source/table/column by a charter.yaml contract.

Enables Claude Desktop to answer natural-language questions about customers by exposing search, profile, order history, status filter, and spend statistics tools backed by local mock data, with a single-file swap path to Oracle AI Agent Studio later.

Enables creating and managing user profiles with interactive elicitation capabilities that prompt users for missing required information. Demonstrates MCP's elicitation feature by validating profile data and requesting additional details when fields are incomplete.

A Machine Conversation Protocol server that enables AI assistants to manage Google Contacts and search Google Workspace directories, providing tools for listing, creating, updating, and deleting contacts within your Google account.

Provides comprehensive access to People Data Labs' data models and search capabilities, enabling enrichment of person and company profiles, multi-criteria searches, and autocomplete functionality through a Model Context Protocol interface.

A Model Context Protocol server that enables AI assistants like Claude to interact directly with Attio CRM data, supporting operations for companies, people, lists, and tasks through natural language queries.

Provides comprehensive access to HubSpot's CRM API, enabling management of contacts, companies, deals, engagements, and associations with support for batch operations and advanced search capabilities.

Provides standardized access to HubSpot CRM API for managing contacts, companies, deals, leads, engagements, and associations with support for batch operations and advanced search capabilities.

Provides standardized access to HubSpot's CRM API for managing contacts, companies, deals, engagements, and other CRM data through comprehensive CRUD operations, batch processing, and advanced search capabilities.

Production-ready MCP server enabling AI assistants to interact with Braze's customer engagement platform, offering 92 tools for user management, messaging, campaigns, analytics, email/SMS, catalogs, and SCIM provisioning.

Enables executing SQL queries against Salesforce Data Cloud from Cursor, with tools to list tables and describe table structure.

MCP server for the Infomaniak Contacts API, enabling listing and searching contacts across address books.

Integrates with the Tomba.io API to provide email discovery, verification, enrichment, phone lookup, and company research capabilities through standardized MCP tools, resources, and prompts.

Enables natural language interaction with Iterable marketing platform data, allowing users to query campaigns, templates, and perform actions via AI assistants.

Connects Claude Code to the theLeadRouter lead routing platform, enabling lead management, routing, and reporting via API.

An MCP server for the EaseCation user center that provides admin and user tools to interact with UC backend services.

Real-time CRM intelligence for Claude and other AI clients — map corporate ownership hierarchies, verify entity names and registered addresses, and detect duplicate records, directly in chat. No manual lookups, no spreadsheets, no messy data.

MCP server for Rule.io marketing automation platform. Enables managing subscribers, tags, campaigns, custom fields, and automations through the MCP interface.

Enables AI assistants to securely interact with Fireberry CRM, allowing metadata exploration, schema management, and record operations through natural language.

Reference MCP server for the AudienceScore protocol: query a vendor's audience score (percent of verified thumbs-up over receipt-gated reviews) and get back a signed, recomputable score manifest an agent can verify without trusting the server.