"Free and open-source coding assistants" matching MCP servers:

MCP server that enables Claude to query inventory and contact information from the 이카운트 ERP system for specified companies.

Enables Claude Desktop, Claude Code, Cursor, and n8n to compute stockout-adjusted replenishment plans, build vendor MOQ purchase orders with roundable carton quantities and Shopify Draft PO CSV exports, recover supplier profiles from legacy Stocky CSV snapshots, and run accounts-payable 3-way invoice matching that recovers overcharges. Runs fully locally with zero credentials in demo/CSV mode, or reads live store data through an optional read-only Shopify Admin GraphQL token.

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

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 SAP S/4HANA Sales Order Management that enables natural language queries for sales orders, order details, and line items using SAP's public sandbox API. Built with offline testing, structured errors, and retry policies.

Provides interactive tools to explore AFAS customer data and employee leave information, including bubble charts, leave balance reports, and detailed leave cards.

Provides MCP tools for searching, reading, and drafting Gmail emails, as well as querying SAP OData endpoints with safe read operations and mock mode.

Enables MCP clients to securely access Jisr's documented HR Open API read-only operations, including employees, attendance, leave, payroll, finance, and discovery tools, with role-based field policies and dual protocol support.

An MCP server that lets AI models interact with Oracle Fusion Cloud HCM across its entire REST surface. It uses generic, schema-aware tools to dynamically discover licensed modules and resources without per-endpoint code.

Open-source TallyPrime MCP server for Claude Desktop: reads your books, proposes vouchers from bank statement PDFs, and posts only if you turn posting on and approve each voucher. Windows x64 and Apple Silicon Mac.

MCP server for VTENext CRM (open-source vtiger-based). Query, create and update opportunities and contacts via natural language using the VTENext WebService API. Supports list, search, get, create, update on Potentials and Contacts modules, plus raw VTQL queries.

A server that bridges the Model Context Protocol (MCP) with SAP ABAP systems, allowing tools like Cline to retrieve ABAP source code, table structures, and other development artifacts.

An MCP server that enables AI assistants to interact with SAP systems via the ABAP Development Tools (ADT) REST API. It allows users to read ABAP source code, inspect DDIC objects, and execute SQL queries directly.

An MCP server that bridges tools like Cline to SAP ABAP systems, enabling retrieval of source code, table structures, and more via the ADT protocol.

Enables coding assistants to search the AIOTIC Integrator Guide and pull endpoint contracts, OpenAPI schemas, payload examples, and status lifecycles for integrating purchase-order processing with an ERP. Optionally connects to a local test tenant to read orders, e-mails, customers, and product mappings, with writes gated behind explicit opt-in flags.

Open-source MCP server for Olist/Tiny ERP API V2, exposing 92 REST endpoints as individual tools with input schemas and write protection.

Reference MCP server for OCL, an open standard giving AI agents structured, scoped business meaning for Odoo data. Serves published example context packs via get_context, resolve_noun, and explain_field (stdio, Python, Apache-2.0).

Enables AI assistants to query Odoo sales, purchasing, manufacturing, and inventory data — open orders, late lines, supplier promise dates, shipments, and stock levels — through 12 read tools, plus one opt-in write tool for updating a purchase order line's promise date. Runs read-only by default with Odoo's own access rights applied.

Provides read-only MCP tools for weclapp Cloud ERP, letting AI assistants retrieve customers, sales orders, invoices, articles, quotations, recurring invoices, and opportunities.

Enables AI models to three-way-match supplier invoices against purchase orders and goods received, returning deterministic approval, hold, or review decisions with human-readable reasons. It exposes tools to check invoices, list open purchase orders, and quote a plain-language matching policy, while never posting or paying anything.