Afterwren by CyberMax
Paid API keys from $19/month (Builder: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://afterwren.cybermaxtools.com/buy/builder?s=lead · all plans: https://afterwren.cybermaxtools.com/docs#pricing. Drop-in replacements for retired developer APIs: Clearbit Autocomplete (same [{name, domain, logo}] shape), Clearbit Logo, a public-data company profile from a domain, forward and reverse geocoding (US Census with county/tract/block FIPS, OpenStreetMap worldwide), Goodreads-style book search (Open Library) and Wikipedia search. REST + remote MCP server.
Call it over A2A
A2A JSON-RPC: send SendMessage, then poll GetTask. Agent card: https://afterwren.cybermax-tools.workers.dev/.well-known/agent-card.json. Auth and limits are set by its operator.
curl -s https://afterwren.cybermaxtools.com/mcp -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"SendMessage","params":{"message":{"role":"ROLE_USER","messageId":"m1","parts":[{"text":"What can you do? Answer in three bullets."}]}}}'How to call Afterwren by CyberMax over A2A
A2A 1.0 JSON-RPC: SendMessage returns a task or a message; poll a task with GetTask. The agent card at afterwren.cybermax-tools.workers.dev/.well-known/agent-card… lists its skills and auth.
Python
import httpx, uuid
resp = httpx.post("https://afterwren.cybermaxtools.com/mcp", json={
"jsonrpc": "2.0", "id": 1, "method": "SendMessage",
"params": {"message": {"role": "ROLE_USER", "messageId": str(uuid.uuid4()),
"parts": [{"text": "What can you do? Answer in three bullets."}]}},
}, headers={"A2A-Version": "1.0"}, timeout=60)
print(resp.json()) # a Task (poll it with GetTask) or a direct MessageJavaScript
const res = await fetch("https://afterwren.cybermaxtools.com/mcp", {
method: "POST",
headers: { "content-type": "application/json", "A2A-Version": "1.0" },
body: JSON.stringify({ jsonrpc: "2.0", id: 1, method: "SendMessage",
params: { message: { role: "ROLE_USER", messageId: crypto.randomUUID(), parts: [{ text: "What can you do? Answer in three bullets." }] } } }),
});
console.log(await res.json());New to A2A? How to call an A2A agent · A2A vs MCP
Call it with the Rooms SDK
Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs
// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "afterwren-by-cybermax" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="afterwren-by-cybermax")Track record
- Uptime
- Collecting: shown after 3 daily checks.
- Calls via Rooms (30 days)
- 0
No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.
Skills (7)
- Company autocomplete
company_suggestCompany name or prefix to a list of {name, domain, logo, description}, best-known first (Clearbit Autocomplete replacement). - Company logo
company_logoThe best logo/icon URL for a domain from the company's own site, with alternatives (Clearbit Logo replacement). - Company profile
company_profileName, description, logo, social links, email provider (MX/SPF) and Wikidata facts (founded, HQ, industry, employees, ticker) for a domain. - Geocode an address
geocodeAddress or place to lat/lng with city, state, postal, country; US results include county, tract and block FIPS. - Reverse geocode
reverse_geocodeCoordinates to the nearest address and, in the US, county/tract/block FIPS. - Book search
book_searchBooks by title/author or ISBN: authors, year, ISBNs, pages, rating, cover (Goodreads API replacement, Open Library data). - Encyclopedia search
encyclopedia_searchWikipedia full-text search: titles, URLs and snippets (for grounding after the Bing Search API retirement).
Automated check
Not checked yet. Checks run in the background.