"Free APIs and services without commercial fees" matching MCP servers:

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

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.

An MCP server for Dolibarr ERP/CRM that lets Claude or any MCP-compatible client read and manage thirdparties, commercial proposals, contracts, and invoices directly.

Exposes Atlassian Marketplace vendor APIs as 95 MCP tools, 3 resources, and 4 prompts, enabling LLMs to manage licenses, promotions, reviews, and reporting metrics without writing API calls.

A read-only MCP server for auditing Trafft booking data with tools to list services, employees, appointments, and customers without mutation endpoints.

MCP server for read-only queries and reports from the Astrea (Aurum) legal software. Enables retrieving case information by client, new cases per month, tags, financials (fees/expenses), schedule (hearings, meetings, deadlines, tasks), and case updates for client reports.

Unifies CRM and productivity tool APIs behind a single interface, letting AI agents and developers create, update, delete, and list records across Zoho, HubSpot, Odoo, Google Sheets, Gmail, and Google Calendar without handling platform-specific schemas.

Exposes a professional services pipeline prediction model with tools to score opportunities, validate inputs, and retrieve model metadata such as win probability, fees, and margin.

Enables read-only investigation of NOVA's Dolibarr accounting and commercial data through an AI assistant, with privacy protection and deterministic accounting rules.

Enables AI agents to safely operate HubSpot CRM contacts, deals, and pipelines via MCP, with caching, idempotency, audit trails, and robust error handling.

Fetch fresh leads and verify emails in one MCP server

Resolves any combination of company name, domain, or LinkedIn URL into the canonical company identity (name, domain, LinkedIn URL) with confidence scores and match method.

Enables AI tools to search and enrich B2B leads, including finding professional emails, company profiles, and filtering people and companies by various criteria.

Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.

MCP server for the Mamba Labs People Finder & Email Verifier actor on Apify. Give it a company domain, name or LinkedIn URL and it returns the people at that company who match your role, seniority and department filters, each as a structured contact record with an optional verified business email.

Detects a company's technology stack from its public web presence. Returns structured tech signals for sales targeting and competitive analysis.

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.

Enables AI assistants to discover and invoke Vremly API operations through a search-describe-request pattern, allowing them to view and manage shoots, customers, media, and invoices according to API key permissions.

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

Model Context Protocol server for Kylas CRM lead operations, enabling lead creation, search/filter, and lookup of users, products, and pipelines.