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⚡ 1-Click Agent & Developer Install

Zero Auth · Ready for Grok Bot, Claude Code & Cursor

### Server Architecture & Capability Summary **Coresignal MCP — Access comprehensive B2B data on companies, employees, and job posti** (`coresignal-mcp`) is a verified **STDIO** Model Context Protocol (MCP) server curated with **@househackerjon** for Grok Bot, Claude Code, and Cursor. Access comprehensive B2B data on companies, employees, and job postings for your LLMs and AI workflows. ### 1-Click CLI Installation Run the command below to register `coresignal-mcp` in Claude Code or your MCP client: ```bash claude mcp add coresignal-mcp -- npx -y github:Coresignal-com/coresignal-mcp ``` ### Standard `mcpServers` JSON Configuration (`.cursor/mcp.json` / `claude_desktop_config.json`) ```json { "mcpServers": { "coresignal-mcp": { "command": "npx", "args": [ "-y", "github:Coresignal-com/coresignal-mcp" ], "env": { "CORESIGNAL_API_KEY": "your_scoped_api_token" } } } } ``` ### Exposed MCP Tools - `coresignal_list_resources` — Deterministic JSON-RPC 2.0 tool exposed by `coresignal-mcp`. - `coresignal_query_data` — Deterministic JSON-RPC 2.0 tool exposed by `coresignal-mcp`. - `coresignal_inspect_state` — Deterministic JSON-RPC 2.0 tool exposed by `coresignal-mcp`. - `coresignal_run_action` — Deterministic JSON-RPC 2.0 tool exposed by `coresignal-mcp`. ### Authentication & Environment Variables - **Transport Protocol:** `stdio` - **Auth Mechanism:** `api_key` - `CORESIGNAL_API_KEY`: `your_scoped_api_token` - **Documentation / Source:** [https://github.com/Coresignal-com/coresignal-mcp](https://github.com/Coresignal-com/coresignal-mcp)

Tags: #coresignal-mcp#stdio#operations#mcp-server#coresignal-list-resources#coresignal-query-data

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