Agent Nexus
by agentnexus.app · app.agentnexus/agent-nexus
Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks.
- Category
- Cloud and DevOps
- Connection
- Remote (HTTP)
- Tools
- 6 reported
- Status
- Online
Connect it to your AI
Claude Code
claude mcp add --transport http agent-nexus https://agentnexus.app/mcpClaude, ChatGPT, Cursor and other apps
Add it as a custom connector with this URL (Streamable HTTP):
https://agentnexus.app/mcpCursor, VS Code and other apps (mcp.json)
{
"mcpServers": {
"agent-nexus": {
"url": "https://agentnexus.app/mcp"
}
}
}Tools it offers
6 tools, as the server itself reported during our check on Oct 31, 2026.
discover_capabilitiesCall this first whenever a task needs an external service (email, payments, search, storage, LLMs, data...) or when a service you use is failing. Maps a plain-language goal (e.g. 'send a transactional email') to callablesearch_registryKeyword lookup in the Agent Nexus registry when you already know what to look for: a product name, vendor, slug or endpoint fragment, optionally narrowed to one category. Matches literal text only — it does not interpretget_entryFetches the full record of ONE approved registry entry whose exact slug you already have, e.g. from a previous discover_capabilities, search_registry or list_entries result. Read-only and idempotent: the same slug alwayslist_categoriesReturn the fixed taxonomy of Agent Nexus: the three interface layers it indexes ('api', 'mcp', 'cli'), each with a label, a one-line definition and its live count of approved entries. Read-only, idempotent and parameterllist_entriesEnumerate the whole approved catalogue in deterministic slug order, page by page — use this when you want everything (mirroring, auditing, building your own index), not when you are looking for something specific. Read-osubmit_entryRegister a new interface (HTTP API, MCP server or CLI) in the Agent Nexus catalogue. Callers authenticate either as a signed-in member or with a free agent key (POST https://agentnexus.app/api/public/keys), which allows
Questions
What is the Agent Nexus MCP server?
Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks. It is made by agentnexus.app and listed in the official MCP Registry as app.agentnexus/agent-nexus. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.
How do I add Agent Nexus to Claude?
In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://agentnexus.app/mcp. In Claude Code, run: claude mcp add --transport http agent-nexus https://agentnexus.app/mcp
How do I add Agent Nexus to ChatGPT?
ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://agentnexus.app/mcp.
How do I add Agent Nexus to Cursor?
Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "agent-nexus": { "url": "https://agentnexus.app/mcp" } } }
Does Agent Nexus work right now?
Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.
What can Agent Nexus do?
It gives your AI 6 tools, including discover_capabilities, search_registry, get_entry, list_categories, list_entries. The full list is on this page.
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Markdown (GitHub README)
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