"Search for free open-source software" matching MCP servers:

Production-ready MCP server for Greenhouse ATS that provides comprehensive recruitment tools—screening, pipeline analytics, search, and safe write operations—across read-only, recruiter, and full profiles.

Enables LLMs to search and retrieve Autotask tickets, companies, and contacts using advanced semantic search and AI-powered reranking.

Finds, filters, and verifies local-business leads on demand; every returned email carries a verification receipt (verifier, verdict, timestamp). Credit-based with per-key spend budgets; 25 free validated leads at signup.

Official MCP server for FormaCV, enabling AI-powered CV formatting, anonymization, tailoring, and ATS push-back from AI agents like Claude Desktop and Cursor.

Production-ready MCP server for Greenhouse ATS with 175 tools for recruiting teams — manage candidates, applications, jobs, interviews, and hiring pipelines. Role-based profiles (full/recruiter/read-only), composite workflow tools for pipeline views, analytics, candidate search, and bulk operations.

MCP server for WeCom customer contact API, enabling LLMs to manage customers, tags, group chats, moments, and mass-send messages.

Enables MCP clients to inspect and authenticate with Podio APIs, manage items, tasks, apps, spaces, and communications, search Podio data, and generate TypeScript field configurations.

An MCP server that bridges AI agents to the eyeot ERP, exposing ~600 business actions (CRM, sales, stock, HR, finance, etc.) as MCP tools over stdio via OAuth 2.1 authentication.

Connects Claude to ServiceTitan via API, providing 60 tools across CRM, Jobs, Accounting, and more for business management.

Official Cursor plugin enabling natural-language management of your SideShift company—discovering creators, managing campaigns and contracts, communicating with your network, and inspecting analytics through a secure OAuth-linked MCP server.

Gives Claude, Cursor, VS Code and other MCP clients safe, structured access to an OpenSolar organisation's projects, contacts, systems, files, commercial settings and Teams sharing via the documented OpenSolar API. Runs self-hosted with your own bearer token, offering curated tools for searching, summarising, comparing, updating and sharing solar project data.

Enables Claude Code to access amoCRM data such as pipelines, deals, contacts, and users via the MCP protocol.

Verified, long-tail company search: describe what you want, get an LLM-verified company shortlist.

Enables AI clients to securely interact with Salesforce data using natural language, translating prompts into structured queries for analysis, reporting, and business insights.

Enables AI assistants to manage GoHighLevel CRM data including contacts, conversations, opportunities, calendars, and forms through MCP tools and resources.

Enables searching for volunteer opportunities via MCP protocol, REST API, and includes a custom Apex MCP client for Salesforce Agentforce integration, all powered by the free VolunteerConnector API.

Live LinkedIn data for AI agents: 44 tools for profiles, companies, jobs, posts, people search, job-change signals and email finding. Hosted remote server (streamable HTTP) - your agent never touches your own LinkedIn account. 300 free credits on signup, no card. Dockerfile in repo bridges stdio clients to the hosted endpoint via mcp-remote.

Enables AI assistants to securely access and interact with Odoo data through natural language, supporting full CRUD operations, OAuth 2.1 and API key authentication, and granular per-model permissions.

Freento MCP is a native Magento 2 extension that implements the Model Context Protocol (MCP) — an open standard for connecting AI assistants to external data sources. This server acts as a secure, direct bridge between your Adobe Commerce / Magento 2 store and LLM-powered assistants (like Claude, ChatGPT, and others), allowing you to manage and audit your store using natural language.

Enables AI clients to securely access and query Zoho CRM data using natural-language prompts, returning structured results for analysis and reporting. It supports sales pipeline tracking, lead analysis, team performance reporting, and other CRM use cases through self-hosted deployment.

Real-time LinkedIn, X (Twitter) and Reddit data for AI agents: profiles, companies, people search, tweets, subreddits, and search. Free start: self-mint a key in one call, no signup, no card.

Free, open-source MCP server and CLI for the BaseLinker API, exposing two tools to call any API method and list methods with minimal context cost.

MCP server for LawPracticeZA, South African legal practice software, providing tools to manage clients, matters, work-in-progress fees, billing, and accounting via the LawPracticeZA API.

Free, open-source MCP server that connects Claude to the Shopify Partner API. 25 tools for revenue analytics, churn analysis, retention cohorts, merchant health scoring, conversion funnels, revenue forecasting, and growth velocity.

An open-source MCP server connecting Claude to Filevine practice management platform. Access cases, contacts, documents, notes, tasks, and custom PI data from Claude with automatic rate limiting and audit logging.

An open-source MCP server that wraps the Shopline Open API into 143 AI-callable tools for e-commerce data analysis, enabling AI agents to query orders, products, inventory, customer behavior, and promotions from Shopline stores through natural language.

MCP server for Jobber home service management software enabling read/write of clients, jobs, quotes, invoices via GraphQL API.

Outbound sales agent for Claude Code. MCP server handles prospect list building, dedup, quotas, and structured rejection feedback, while the plugin runs per-prospect research, email writing, Gmail sending, and reply tracking. Open source, self-hostable.

MCP server for PracticePanther legal practice management software. Enables reading and creating matters, contacts, time entries, invoices, and more via natural language.

MCP server for Aidoo fitness studio management software, enabling access to members, contracts, classes, bookings, and more directly from Claude.

A local, open-source MCP server that provides AI assistants with tools to interact with the PensionPro REST API.

Enables interaction with Buildium property management software through natural language, supporting operations on associations, leases, rentals, tenants, and more.

Open-source MCP server for Teamleader Focus CRM. Use Teamleader inside Claude and other AI assistants: contacts, deals, quotations, invoices, projects and more.

MCP server for the bexio API, the Swiss business software for invoicing, accounting, CRM, projects and payroll. It provides 310 tools covering the complete public API surface across all three API versions.

An open-source, headless HubSpot alternative that exposes CRM, conversations, CMS, knowledge base, outreach, and analytics as MCP tools for AI agents to operate.

Open-source MCP hub providing a single endpoint for AI agents to access dozens of business integrations (CRMs, spreadsheets, telephony, ads) with multi-tenancy, OAuth, and context-efficient tool discovery.

An open-source Model Context Protocol (MCP) server that connects Claude, ChatGPT, and other AI assistants directly to your Zooza account. Natural language scheduling, attendance tracking, and class management — no dashboard required.

Provides tools for AI agents to query customers by email, list open deals, and update deal stages with business rule enforcement.

A local-first, open-source MCP server that analyzes jobs, matches your CV, tailors documents, and tracks applications — all on your machine with no data uploaded.

Open-source MCP gateway connecting AI agents like Claude Desktop and Claude Code to SuiteCRM. 24 CRM tools over SSE with OAuth2/OIDC auth, multi-entity support, ACL enforcement, and Prometheus/Grafana observability.