Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter
Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter
Universal MCP server for discovery, chat, registration, credits, and workflow automation across the HOL Registry Broker ecosystem.
Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| data | meta |
| stdio | process stdin/stdout |
{
"mcpServers": {
"hashnet": {
"command": "npx",
"args": ["-y", "@hol-org/hashnet-mcp"],
"env": {
"REGISTRY_BROKER_API_URL": "your-value",
"REGISTRY_BROKER_API_KEY": "your-value",
"MCP_SERVER_BEARER_TOKEN": "your-value",
"LEDGER_ACCOUNT_ID": "your-value",
"HEDERA_ACCOUNT_ID": "your-value",
"HEDERA_PRIVATE_KEY": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| REGISTRY_BROKER_API_URL | Endpoint or connection string the server talks to. | Yes |
| REGISTRY_BROKER_API_KEY | Credential the server authenticates with. | Yes |
| MCP_SERVER_BEARER_TOKEN | Credential the server authenticates with. | Yes |
| LEDGER_ACCOUNT_ID | Configuration value read at startup. | Optional |
| HEDERA_ACCOUNT_ID | Configuration value read at startup. | Optional |
| HEDERA_PRIVATE_KEY | Credential the server authenticates with. | Yes |
Use Microsoft’s Playwright MCP server to navigate pages, inspect accessibility snapshots, fill forms and capture browser screenshots.
The original Chromium automation reference server — simple, screenshot-driven browser control.
Give your coding agent the full DevTools toolbox: traces, network, console, heap snapshots and Lighthouse.
Puppeteer-powered browser control that drives pages from the accessibility tree instead of pixels.
Enables AI-powered applications to monitor and interact with browser data via a Chrome extension and MCP.
Automates browsers and APIs, enabling Large Language Models (LLMs) to interact with web pages for tasks like screenshot capture and JavaScript