Klozeo is an API-first lead management platform designed for developers and AI-native teams seeking to store, score, deduplicate, and query sales leads programmatically. It addresses the need for efficient, automated lead handling by offering a REST API that integrates natively with the Model Context Protocol (MCP), enabling direct interaction with AI assistants such as Claude Desktop, Cursor, and Cline. The platform is positioned as a solution for making lead databases actionable for both developers and AI-driven workflows.
Among its key capabilities, Klozeo provides a full REST CRUD interface with a Go-powered core, allowing dynamic attribute deployment without requiring schema migrations. Its built-in lead intelligence features a four-tier deduplication engine that merges profiles based on email, source ID, or fuzzy name similarity, using a 'last touch wins' strategy. Custom scoring rules can be defined using field expressions, with real-time evaluation and the ability to recalculate scores in bulk. The scoring engine outputs values from 0 to 100, accessible through both the API and MCP tools. Klozeo also supports advanced filtering with over 20 operators, including geographic radius searches, and enables high-volume batch operations, allowing up to 500 leads per request on the Pro plan. Real-time webhooks notify users of lead creation, merging, or scoring events, with configurable per-event subscriptions.
The platform exposes 33 specialized MCP tools, such as search_leads, get_stats, add_note, and score_lead, making it possible for AI assistants to manage the entire lead pipeline via natural language. Klozeo separates structural field changes (tracked by updated_at) from engagement activity (tracked by last_interaction_at), allowing users to sort and filter leads based on the freshness of interest or data changes. Supported clients include Claude Desktop, Claude Code, Cursor, Cline, Roo, Code Smithery, and Goose.
Klozeo offers a free plan that includes up to 100 leads, 100 API requests per 10 minutes, batch operations for up to 100 leads per request, full MCP access, lead scoring, and notes. No credit card is required to get started with the free tier. The tool is delivered as an API, with documentation and onboarding available directly from its website.
In the API design, testing & docs space, Klozeo takes a focused approach. It focuses on automating and streamlining lead management and scoring for AI-driven workflows and sales automation. It is built as a B2B product for developers building sales or CRM automation. Klozeo follows a freemium model. Klozeo is available on the command line and API.
Klozeo first shipped in 2026. Development happens publicly on GitHub with 6 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Klozeo occupies a relatively distinct niche. Key capabilities include lead scoring, REST API, and MCP integration. It exposes integrations via an MCP server and a public API.
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