"Simple HTTP server or client implementation" matching MCP servers:

A lightweight MCP server for client relationship management, enabling client tracking, notes, and search via natural language.

Enables querying client onboarding status and basic client info (name, family) via two tools, designed for integration with Microsoft Copilot and Teams.

Enables users to connect to Salesforce and perform CRUD operations, run SOQL/SOSL queries, and manage records through a lightweight MCP server with built-in safety gates for writes.

Bridges AI assistants to HubSpot CRM via OAuth2.1+PKCE, enabling tool access through OpenClaw or stdio MCP.

Generates personalized client strategy briefs from a name, and manages client profiles for behavioral intelligence, enabling client-facing professionals to prepare for conversations.

Generates professional client proposals including timeline, tech stack, price estimate, and milestone breakdown from client requirements.

MCP server providing business tools for customer support and account management, integrated with SQLite, OpenAI, and Streamlit.

A production-grade MCP server for Zendesk that provides ticket management, search, user/group operations, and knowledge base access with support for local stdio and remote HTTP transports, authentication via API keys or OAuth, and multi-tenancy.

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 a Model Context Protocol interface to a growth and revenue API, enabling MCP clients to manage account data and interact with platform tools through natural-language-driven tool calls.

A self-hosted Model Context Protocol server for GoHighLevel CRM, built for agencies. It enables connecting multiple sub-accounts, selecting tools per client, and issuing unique revocable MCP URLs.

An MCP server that gives LLMs tools to manage leads, track pipeline stages, log interactions, and generate reports for a freelancer client pipeline.

Enables managing client records with tools for adding, listing, retrieving, updating, and deleting clients, plus a read-only resource for viewing all clients.

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.

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

MCP server for Apollo.io B2B data discovery and enrichment, enabling company search, people search, contact enrichment, and organization firmographics through Apollo's REST API.

Enables AI agents to perform go-to-market workflows such as company and contact enrichment, CRM querying, and controlled, audited writes to a CRM through MCP tools callable from any MCP client.