"Tools and methods for plotting graphs without an API key" matching MCP servers:

Demo MCP server that exposes order and customer data as read-only tools for AI assistants, simulating a business API or internal data source.

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.

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.

Provides comprehensive tools and resources for managing Klaviyo marketing automation, including profiles, lists, campaigns, flows, and more through natural language.

Enables AI agents to interact with Salesforce CRM data by executing SOQL queries and managing records. It provides tools for object metadata discovery and record operations, specifically optimized for Heroku deployment.

Enables AI agents to perform comprehensive person and company lookups by integrating directly with the Lusha API for business contact enrichment. It provides tools for bulk contact identification via LinkedIn URLs, emails, or names, alongside detailed company information retrieval.

Enables interaction with mParticle's Data Planning API to manage data plans, retrieve schemas, and govern data workflows via natural language.

Integrates with HubSpot CRM APIs via the Model Context Protocol, enabling management of contacts, companies, deals, tickets, notes, engagements, workflows, and more through natural language.

Enables AI assistants to interact with the Multilead platform for lead management, email campaigns, conversations, webhooks, and analytics through 74 API endpoints.

Enables validation of single or bulk WhatsApp numbers and retrieval of account metadata, such as business status and profile info, via the Bulk WhatsApp Validator API.

An MCP server for the WhatsApp Number Validators API that enables users to verify WhatsApp registration and business account status for single or bulk phone numbers. It also provides phone number validation with suggested alternatives for invalid entries across different countries.

Enables checking email addresses through the Email Social Media Checker API to verify and validate email information.

本MCP服务封装了新闻相关工具

Enables an AI agent to fetch member profiles and generate deterministic, partner-rule-compliant travel recommendations on a multi-tenant white-label platform.

Resolves a company domain to its LinkedIn company page URL. Lightweight enrichment tool for sales and prospecting workflows.

Enables asking questions in plain language to explore loyalty and promo data through Voucherify API endpoints.

An unofficial, read-only MCP server for Mercury business banking. It holds one read-only API token per organization, so a single AI session can work across several Mercury organizations; Mercury's own connector binds one organization per connection.

An MCP server that provides AI agents with ICP Triangulation Framework™ for scoring prospects across firmographics, behaviors, and growth signals, plus RFM analysis and pipeline health scoring, with optional HubSpot integration.

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.

An MCP server that connects AI assistants like Claude, Cursor, and Windsurf to the Waitlister API. Create waitlists and manage subscribers through natural language.