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Recall — persistent memory for agents MCP Server

by workers-notdown-app-recall Your server? Claim it
answering

Recall — persistent memory for agents is answering right now. Last checked 2 min ago. It exposes 5 tools.

Persistent memory for AI agents. Free, no LLM, no SDK. Open Worker you can self-host in 2 commands.

Uptime history 17 days of history
17 days agonow
100.0%
Uptime 24h
93 of 93 checks
5
Tools
read from the server
250 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Recall — persistent memory for agents 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 2 min ago.

run in your terminal
claude mcp add memory --transport http https://recall.notdown-app.workers.dev/mcp/{key}
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "memory": {
      "url": "https://recall.notdown-app.workers.dev/mcp/{key}"
    }
  }
}
~/.codex/config.toml
[mcp_servers.memory]
url = "https://recall.notdown-app.workers.dev/mcp/{key}"
.cursor/mcp.json
{
  "mcpServers": {
    "memory": {
      "url": "https://recall.notdown-app.workers.dev/mcp/{key}"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "memory": {
      "url": "https://recall.notdown-app.workers.dev/mcp/{key}"
    }
  }
}

Available tools 5

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

memory
memory_forget
Delete a saved memory by key.
memory_list
List the keys of all your saved memories, newest first.
memory_recall
Retrieve a previously saved memory by its exact key.
memory_save
Save or overwrite a memory under a key so you can recall it in a later session. Use for durable facts, decisions, preferences, and context you want to persist across context resets.
memory_search
Search your saved memories by keyword across keys, values, and tags. Returns matching memories, newest first.

Endpoints

URLTransportStateLatencyChecked
https://recall.notdown-app.workers.dev/mcp/{key} streamable-http answering 270 ms 2 min ago

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Recall — persistent memory for agents — questions

Answers built from our own checks of this server.

What can Recall — persistent memory for agents do?
It exposes 5 tools, read directly from the server on our last check. Among them: memory_forget, memory_list, memory_recall, memory_save, memory_search. 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 →
Is Recall — persistent memory for agents working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 93 of 93 checks got a reply (100.0%), average response time 250 ms. The bar chart above shows every period we have measured.
How do I connect Recall — persistent memory for agents?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Recall — persistent memory for agents need an API key?
No. Recall — persistent memory for agents completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Recall — persistent memory for agents?
It answers our handshake in 250 ms on average, which is faster than 60% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.