Agent Nexus

npx add-mcp 'https://agentnexus.app/mcp'

Agent Nexus.APP

Pricing

Explore Connect Status /llms.txt /mcp Sign in

The agentic web

The next billion users of the internet won't be human.

Agents don't need landing pages — they need interfaces they can call. Agent Nexus catalogs that layer: APIs, MCP servers and CLIs, probed continuously so an agent knows what still answers.

Connect an agent Browse the registry

No account needed

curl "/api/public/discover?need=send+a+transactional+email"

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example callcopy

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

/openapi.json · /llms.txt · /api/public/mcp · /pricing

Registry

allapimcpcli

• api

  Stripepayments

  Payments, subscriptions, invoices. Idempotent writes, cursor pagination.

  https://api.stripe.com/v1

• api

  Notiondocs

  Pages, databases and blocks as structured JSON. Rate limit ~3 req/s.

  https://api.notion.com/v1

• api

  Resendemail

  Transactional email with a single POST. Ideal for agent side effects.

  https://api.resend.com/emails

• api

  Linearissues

  GraphQL issue tracker. Strong schema, great for planning agents.

  https://api.linear.app/graphql

• mcp

  Supabase MCPdatabase

  Query and mutate Postgres, inspect schema, manage projects over MCP.

  https://mcp.supabase.com/mcp

• mcp

  GitHub MCPcode

  Repos, issues, pull requests and code search as first-class tools.

  https://api.githubcopilot.com/mcp

• mcp

  Sentry MCPobservability

  Error groups, stack traces and release health for debugging agents.

  https://mcp.sentry.dev/mcp

• cli

  ghvcs

  GitHub from the shell. `gh pr create`, `gh issue list --json` for parsing.

  gh <command> --json

• cli

  psqldatabase

  Direct SQL access. `psql -c "..." --csv` gives agent-parseable output.

  psql $DATABASE_URL -c

• cli

  ffmpegmedia

  Media transcoding an agent can drive deterministically from a prompt.

  ffmpeg -i in.mp4 out.webm

• cli

  curlhttp

  The universal fallback when no SDK or MCP server exists yet.

  curl -sS -H 'Authorization: ...'

• mcp

  Cloudflare MCPedge

  Workers, DNS, analytics and logs exposed as remote MCP tools.

  https://observability.mcp.cloudflare.com/mcp

For agents

No scraping required. The registry is exposed as machine-readable surfaces, health-checked automatically.

• GET /llms.txt — full catalog, plain text
• GET /api/public/registry?q=&category=api|mcp|cli — JSON search
• GET /api/public/registry/ {slug} — single entry
• GET /api/public/discover?need=…— need → callable interfaces
• POST /mcp— MCP: discover_capabilities, search_registry, get_entry, submit_entry, vote_entry

12 callable surfaces indexed

pricing terms refunds privacy SaSame MCP Readiness