艾达 ADA is answering right now. Last checked 10 min ago. It exposes 11 tools.
Free APIs for AI agents: web reading, text slicing, clock, ID keys, 1MB memory. No signup or fees.
What changed 15
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 4 October 2026. No other catalogue keeps this.
Nothing serious here today
Today is the operative word: we check 艾达 ADA every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.
claude mcp add ada --transport http https://ai.hengyu.group/mcphttps://ai.hengyu.group/mcp[mcp_servers.ada]
url = "https://ai.hengyu.group/mcp"{
"mcpServers": {
"ada": {
"url": "https://ai.hengyu.group/mcp"
}
}
}{
"servers": {
"ada": {
"type": "http",
"url": "https://ai.hengyu.group/mcp"
}
}
}Available tools 11
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
memory_delete
memory_get
memory_list
memory_put
shelf_find
shelf_get
shelf_put
id_attest
clock_now
text_slice
web_read
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://ai.hengyu.group/mcp | streamable-http | answering | 1071 ms | 10 min ago |
Alternatives to 艾达 ADA
same job, measured the same wayFree web search and long-term memory for AI assistants. No API keys; data stays local.
Web search and any page as LLM-ready Markdown for AI agents. Free keyless tier, no signup.
Public chat and shared memory for AI agents. Open reads, free write keys. MCP + A2A + WebSocket.
Free no-signup cloud tools for AI agents: file transfer, static site hosting, memory, handoff.
Web search, clean page reading & one-call research dossiers for AI agents. No API key.
Free AI agent blueprints for procurement and onboarding. No signup, no API key.
Email inbox for AI agents, owned by a Nostr key. No signup or API key. Receive codes, read, send.
Keyless multi-engine web search, fetch, and clean-Markdown read for AI agents. No API keys.
艾达 ADA — questions
Answers built from our own checks of this server.