Proxy-Authenticate scheme token, value discarded is answering right now. Last checked 8 min ago. It exposes 31 tools. Last commit 23 Sep 2026.
Proxy-Authenticate scheme token, value discarded
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 18 September 2026. No other catalogue keeps this.
Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.
claude mcp add proxy-auth --transport http https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp
[mcp_servers.proxy-auth]
url = "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp"
{
"mcpServers": {
"proxy-auth": {
"url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp"
}
}
}
{
"servers": {
"proxy-auth": {
"type": "http",
"url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
agent-ads-index
agent-tool-index
fetch-status
status-catalog
browser-url-ok
calc-eval
citation
compatibility
domain-shape
figma-url-shape
file-path-ok
hn-front-count
geo-hint
github-repo-shape
iana-zones
inspect-robots
jira-key-shape
search-query-len
lib-docs-hint
memory-key-count
normalize-url
people-search-index
playwright-url-ok
proxy-auth
think-steps
timezone
utc-time
validate-json
weather-hint
web-fetch
wiki-title-ok
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/proxy-auth/mcp | streamable-http | answering | 57 ms | 8 min ago |
WWW-Authenticate scheme token, value discarded
CF-Visitor scheme token, value discarded
ALPN protocol token, value discarded
ALPN h3 token, value discarded
IRI scheme shape, value discarded
TE trailers token, value discarded
Sec-GPC 1 token, value discarded
Upgrade protocol token, value discarded
Answers built from our own checks of this server.