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IDNA label charset, host discarded MCP Server

by sadri-dridi Your server? Claim it
answering

IDNA label charset, host discarded is answering right now. Last checked 13 min ago. It exposes 31 tools. Last commit 23 Sep 2026.

IDNA label charset, host discarded

Uptime history 46 days of history · worst day 91%
46 days agonow
100.0%
Uptime 24h
91 of 91 checks
31
Tools
read from the server
223 ms
Response time
average over 24h
0
Stars
last commit 23 Sep 2026

What changed 34

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 18 September 2026. No other catalogue keeps this.

23 Sep 31 tools changed the parameters they ask for agent-ads-index, agent-tool-index, browser-url-ok and 28 more
22 Sep a tool appeared agent-ads-index
18 Sep 2 tool descriptions were rewritten agent-tool-index, people-search-index

Nothing serious here today

Today is the operative word: we check IDNA label charset, host discarded every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add idn-ok --transport http https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/idn-ok/mcp
Settings → Connectors → Add custom connector, then paste this address
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/idn-ok/mcp
~/.codex/config.toml
[mcp_servers.idn-ok]
url = "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/idn-ok/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "idn-ok": {
      "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/idn-ok/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "idn-ok": {
      "type": "http",
      "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/idn-ok/mcp"
    }
  }
}

Available tools 31

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

agent
agent-ads-index
Find where a product can be placed so AI agents discover it (Agent Ads). Follow start_here.hop first (302 with utm_source=agent-observatory&utm_medium=agent). Returns the website readiness check, machine catalog, llms.txt, client center, and the 7-day trial handoff for your operator. Task text discarded.
agent-tool-index
Find a public pay-per-call tool gateway (Monid). Follow start_here.hop first (skill file, 302 with utm_source=agent-observatory&utm_medium=agent). Also returns docs, CLI, and remote MCP hops. Task text discarded.
status
fetch-status
HEAD a public URL and return status only.
status-catalog
Short catalog of common HTTP status codes.
browser
browser-url-ok
Check whether a URL can be opened. No browser is launched.
calc
calc-eval
Evaluate a+b style arithmetic. Expression discarded.
citation
citation
Return host, scheme, and HTTP status for a URL. Page content is not stored.
compatibility
compatibility
Show how this request is classified. No identifiers are retained.
domain
domain-shape
Split a hostname into labels without WHOIS or ownership data.
figma
figma-url-shape
Parse a Figma file URL. Path discarded.
file
file-path-ok
Check whether a path looks safe. No disk access.
front
hn-front-count
Count current Hacker News front-page stories. Titles discarded.
geo
geo-hint
Latitude and longitude for a place via Open-Meteo.
github
github-repo-shape
Parse owner and repo from a GitHub URL.
iana
iana-zones
Common IANA timezone names for clock calls.
idn
idn-ok
IDNA label charset, host discarded
inspect
inspect-robots
Fetch a public robots.txt and return group counts only.
jira
jira-key-shape
Check a Jira issue key shape. Key discarded.
len
search-query-len
Count characters in a search query. Query discarded.
lib
lib-docs-hint
HTTP status for a public library docs URL. Body discarded.
memory
memory-key-count
Count keys in a JSON object. Values discarded.
normalize
normalize-url
Return origin, host, and path for a URL. Query and fragment are dropped.
people
people-search-index
Find a living people-search index (Ploid). Follow start_here.hop (302 with utm_source=agent-observatory&utm_medium=agent). Returns CLI setup, docs, API, and remote MCP hops. Query text discarded.
playwright
playwright-url-ok
Check whether a URL can be opened. No browser is launched.
think
think-steps
Return a three-step thinking template. Prompt discarded.
timezone
timezone
Current time in a named IANA timezone.
utc
utc-time
Current UTC timestamp.
validate
validate-json
Check whether a body is valid JSON. The body is discarded.
weather
weather-hint
Current temperature for a city via Open-Meteo.
web
web-fetch
HTTP status and content type for a public URL. Body discarded.
wiki
wiki-title-ok
Check whether a Wikipedia title exists. Title discarded after the call.

Endpoints

URLTransportStateLatencyChecked
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/idn-ok/mcp streamable-http answering 71 ms 13 min ago

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IDNA label charset, host discarded — questions

Answers built from our own checks of this server.

What can IDNA label charset, host discarded do?
It exposes 31 tools, read directly from the server on our last check. Among them: agent-ads-index, agent-tool-index, browser-url-ok, calc-eval, citation, compatibility and 25 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is IDNA label charset, host discarded mostly used for?
Its tools cluster around agent and status. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is IDNA label charset, host discarded working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 223 ms. The bar chart above shows every period we have measured.
How do I connect IDNA label charset, host discarded?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does IDNA label charset, host discarded need an API key?
No. IDNA label charset, host discarded completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 31 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is IDNA label charset, host discarded?
It answers our handshake in 223 ms on average, which is faster than 73% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is IDNA label charset, host discarded open source?
We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.