"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP servers:

Enables Money Forward Cloud Accounting operations via API key authentication, including journal entries, voucher attachments, deletions, and office management without OAuth.

Enables MCP clients to interact with the Crewmeister API over local stdio, covering operations for members, teams, time tracking, salary exports, and related platform resources.

Enables interaction with Grocy's API through MCP, allowing management of grocery inventory, shopping lists, and household tasks via natural language.

MCP server for querying employee data via tools like get_employees and get_employee_by_id. Serves as a proof-of-concept for integrating Pega applications with AI agents.

Provides a Streamable HTTP MCP proxy for VS Code Copilot and Claude Code, using JWT client assertion to securely access NetSuite APIs.

Exposes internal company services as LLM-callable MCP tools, enabling AI agents to perform business operations like customer management, order processing, and support ticketing through natural language.

Enables AI assistants to explore and query SAP BW/4HANA modeling objects and metadata, such as InfoAreas, InfoObjects, ADSOs, CompositeProviders, and Queries.

Deterministic Odoo ERP calculators: implementation, migration and upgrade cost, ROI and TCO, US/Canada/EU sales tax and VAT, Canadian payroll source deductions, and inventory maths (reorder point, safety stock, EOQ, landed cost, OEE). 24 tools, each a pure function, the numbers are arithmetic rather than a model's guess. Hosted remote server, no install and no API key; a stdio bridge is included

An MCP Odoo tools connector/plugin for Claude Cowork and Claude Code. It runs from 10 to 19 and helps make the connection smooth. You just need to downloaded from the marketplace and run: "/odoo-tools:odoo-setup-mcp".

MCP server for ERPNext that provides read-only access to business data and controlled creation/update of draft documents, with strict security, RBAC, field whitelisting, audit, idempotency, and optimistic locking.

Enables MCP clients to work with SAP systems through development-tool APIs for object search, source retrieval and editing, syntax checks, activation, transports, debugging, refactoring, Git operations, and analysis within a single SAP session. Large results can be retrieved through paged reads.

Enables MCP clients to search and execute 360 operations across Holded's accounting, sales, inventory, contacts, CRM, projects, team, calendar, inbox, and developer APIs. Supports read and write calls with an API key, including a read-only mode.

Enables agents and MCP clients to look up shipment tracking status, SAP order sync errors, ServiceNow incident tickets, and internal SOP runbooks through natural-language tool calls, with every execution written to a SQLite audit trail.

MCP server that provides mock APIs and deterministic seed data for ERP/OMS, WMS, and CRM systems, enabling supply chain data exploration and integration testing.

Enables pulling public Oracle Fusion Recruiting and Taleo career-site job postings as structured JSON, including locations, skills, pay ranges, and apply URLs. It also supports career-site discovery, scheduled new-posting monitoring, and Markdown output for AI assistants.

Enables interaction with SAP ABAP systems via ADT APIs, allowing management of ABAP objects, transport requests, and code analysis through MCP clients.

A Model Context Protocol server that facilitates seamless communication between ABAP systems and MCP clients for managing ABAP objects, transport requests, and code analysis. It acts as a wrapper for the ABAP ADT API to enhance the efficiency of ABAP development workflows.

An MCP server that facilitates seamless interaction with SAP ABAP systems to manage development objects, transport requests, and source code. It provides a comprehensive suite of tools for performing syntax checks, object searches, and code modifications via the ADT API.

Enables interaction with SAP ABAP systems through ADT APIs, allowing management of ABAP objects, transport requests, and code analysis via natural language.

Enables AI assistants to manage employee data through a REST API with full CRUD operations. Provides tools to create, read, update, and delete employee records via the Model Context Protocol.