B2B data enrichment- search companies, find contacts, reveal emails and phones
Fiber AI — B2B data enrichment tools for your AI agents. Search 100M+ companies, discover prospects, reveal verified work emails and phone numbers, and build prospecting lists at scale. Connects via MCP-with direct API tools for search, enrichment, and audience management. Includes skills for vibe-coding with the TypeScript and Python SDKs.
This is a well-structured MCP server plugin for Fiber AI that provides data enrichment and company search capabilities. The server uses proper authentication via API keys stored in environment variables and has appropriate permissions for its data analytics purpose. No significant security concerns were identified.
1 file analyzed · 2 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Once installed, try these example prompts and explore these capabilities:
From the project's GitHub README.
Use Fiber AI with your AI coding agent. Search companies, find contacts, enrich data, and manage audiences — directly from Claude Code, Cursor, VS Code, Windsurf, and 40+ other AI agents.
claude plugin marketplace add fiber-ai/fiber-ai-plugin --scope project
claude plugin install fiber --scope project
This installs MCP tools, skills, and hooks automatically. Run /fiber:help to see available commands.
cursor-plugin marketplace add fiber-ai/fiber-ai-plugin --scope project
cursor-plugin install fiber-ai --scope project
This installs MCP servers, skills, rules, and slash commands (/fiber-search, /fiber-enrich, /fiber-audience, /fiber-setup).
Or add MCP only via deeplink — copy and paste into your browser:
cursor://anysphere.cursor-deeplink/mcp/install?name=fiber-ai-v2&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmZpYmVyLmFpL21jcC92MiJ9
For the Core MCP server (all 100+ endpoints via meta-tools):
cursor://anysphere.cursor-deeplink/mcp/install?name=fiber-ai-core&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmZpYmVyLmFpL21jcCJ9
Option B — Manual:
Copy cursor/mcp.json to your project's .cursor/mcp.json, or add to Cursor Settings > Features > MCP:
| Name | Type | URL | Best For |
|---|---|---|---|
fiber-ai-v2 | HTTP | https://mcp.fiber.ai/mcp/v2 | ~10 direct tools for common operations |
fiber-ai-core | HTTP | https://mcp.fiber.ai/mcp | 4 meta-tools accessing all 100+ endpoints |
Optional — Add agent rules:
Copy cursor/rules/fiber-api.mdc to your project's .cursor/rules/ directory.
Add to your .vscode/mcp.json:
{
"mcpServers": {
"fiber-ai-v2": {
"type": "http",
"url": "https://mcp.fiber.ai/mcp/v2"
},
"fiber-ai-core": {
"type": "http",
"url": "https://mcp.fiber.ai/mcp"
}
}
}
Add MCP servers in Windsurf settings (Transport: HTTP):
https://mcp.fiber.ai/mcp/v2 — direct tools for common operationshttps://mcp.fiber.ai/mcp — meta-tools for all 100+ endpointsCopy windsurf/rules/fiber-api.md to your project's Windsurf rules directory for agent guidance.
Install individual skills for any agent that supports skills.sh:
npx skills add fiber-ai/fiber-ai-plugin --skill search
npx skills add fiber-ai/fiber-ai-plugin --skill enrich
npx skills add fiber-ai/fiber-ai-plugin --skill audience
npx skills add fiber-ai/fiber-ai-plugin --skill sdk-ts
npx skills add fiber-ai/fiber-ai-plugin --skill sdk-py
npx skills add fiber-ai/fiber-ai-plugin --skill setup
npx skills add fiber-ai/fiber-ai-plugin --skill help
Commit an MCP config to your repository so teammates get Fiber AI automatically:
Claude Code — add to .mcp.json at project root:
{
"mcpServers": {
"fiber-ai-v2": {
"type": "http",
"url": "https://mcp.fiber.ai/mcp/v2"
},
"fiber-ai-core": {
"type": "http",
"url": "https://mcp.fiber.ai/mcp"
}
}
}
Cursor — add to .cursor/mcp.json at project root (same format as above).
export FIBER_API_KEY=sk_live_...
Add to your shell profile (~/.zshrc or ~/.bashrc) for persistence.
| Command | Description |
|---|---|
/fiber:search "query" | Search for companies or people by criteria |
/fiber:enrich "target" | Reveal emails, phones, and profiles for contacts or companies |
/fiber:audience "description" | Build prospecting lists with bulk search, enrichment, and export |
/fiber:sdk-ts "what to build" | Help writing TypeScript code with @fiberai/sdk |
/fiber:sdk-py "what to build" | Help writing Python code with fiberai |
/fiber:setup | Configure API key and verify MCP connection |
/fiber:help | Show capabilities and available commands |
Fiber AI provides two MCP endpoints:
| Endpoint | URL | Tools | Best For |
|---|---|---|---|
| V2 | https://mcp.fiber.ai/mcp/v2 | ~10 curated, direct API tools | Most users — search, enrich, audience management |
| Core | https://mcp.fiber.ai/mcp | 4 meta-tools (search, list, details, call) | Power users — access to all 100+ API endpoints |
Both use HTTP (Streamable HTTP) transport.
For building applications programmatically:
MIT — Fiber AI 2026
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