Strategiumfinancepartner/AgentNexus

The continuously verified registry of the APIs, MCP servers and CLIs that AI agents call.
Live: https://agentnexus.app · MCP endpoint (no login): https://agentnexus.app/api/public/mcp
Agent Nexus answers one question for an autonomous agent: "what can actually do this, right
now, and how exactly do I call it?" Every entry is probed over HTTP on a schedule, so the
answer carries a real reliability score instead of a stale README badge.
Listed on the official MCP registry as
app.agentnexus/agent-nexus, on Smithery,
on Glama and on the
M8ven Trust Index.
## Connect an agent in one line
MCP (Streamable HTTP, stateless, anonymous — no consent screen, no key):
json
"mcpServers": {
"agent-nexus": {
"type": "http",
"url": "https://agentnexus.app/api/public/mcp"
Or over plain HTTP — an agent can register itself and start calling without any human:
sh
# 1. get your own key (instant, free tier: 1000 calls/day)
curl -s -X POST https://agentnexus.app/api/public/keys \
-H 'content-type: application/json' \
-d '{"agent":"my-agent","purpose":"capability discovery"}'
# 2. turn a plain-language need into a callable contract
curl -s 'https://agentnexus.app/api/public/discover?need=send%20transactional%20email' \
-H 'x-api-key: nx...'
## MCP tools
| Tool | What it does |
| discovercapabilities | Plain-language need → ranked callable interfaces with auth, formats, limits, reliability |
| searchregistry | Keyword search across APIs, MCP servers and CLIs |
| getentry | Full contract for one interface |
| listcategories | Browse the taxonomy |
## Machine-readable surfaces
| Surface | Purpose |
| /llms.txt, /agents.txt | How an agent onboards itself, unattended |
| /api/public/registry | Full typed registry |
| /api/public/capabilities | Capability index |
| /api/public/entries.ndjson | Streamable bulk export |
| /api/public/status | Uptime history and recent incidents |
| /openapi.json, /server.json | OpenAPI + MCP server manifest |
| /.well-known/mcp.json, /.well-known/agent-card.json | Discovery manifests |
| /feed.xml | New and updated interfaces |
## Human pages
/explore · /connect ·
/status · /pricing ·
/keys
## Tiers
| Tier | Who it is for | Daily calls |
| Anonymous | Trying it out, no account | 100 |
| Free key | Agent developers | 1 000 |
| Agent Pro | Production agents that must not stall | 50 000 |