Aura is answering right now. Last checked 3 min ago. It exposes 16 tools. Last commit 24 Aug 2026.
Email address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402.
Uptime history
25 days of history
25 days agonow
100.0%
Uptime 24h
92 of 92 checks
16
Tools
read from the server
407 ms
Response time
average over 24h
0
Stars
last commit 24 Aug 2026
Nothing serious here today
Today is the operative word: we check Aura 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 3 min ago.
run in your terminal
claude mcp add aura --transport http https://aura.rohnelt.dev/mcp~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"aura": {
"url": "https://aura.rohnelt.dev/mcp"
}
}
}~/.codex/config.toml
[mcp_servers.aura]
url = "https://aura.rohnelt.dev/mcp".cursor/mcp.json
{
"mcpServers": {
"aura": {
"url": "https://aura.rohnelt.dev/mcp"
}
}
}.vscode/mcp.json
{
"mcpServers": {
"aura": {
"url": "https://aura.rohnelt.dev/mcp"
}
}
}Available tools 16
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
memory
memory_delete
Delete a stored key. Free — keeping your own state tidy should never cost you.
When to use: Call when a stored fact is stale or wrong.
Price: Free.
memory_get
Fetch one stored value by its exact key.
When to use: Call when you know the key you wrote earlier. Cheaper and more precise than memory.search.
Price: US$0.000500 per call.
memory_list
List your stored keys with metadata, without returning the values.
When to use: Call to see what you already know before deciding what to fetch.
Price: US$0.000500 per call.
memory_search
Find stored memories by meaning rather than by exact key.
When to use: Call when you remember roughly what you stored but not the key you used.
Price: US$0.002000 per call.
memory_set
Store a durable key/value fact bound to your wallet. Survives your process dying.
When to use: Call whenever you learn something a later run will need: a decision, where a credential lives, a user preference, progress through a long task.
Price: US$0.000800 per call.
inbox
inbox_list
List messages delivered to your Aura email address, newest first.
When to use: Call after signing up somewhere, to see what arrived. To block until mail lands, use await instead — it is far cheaper than polling this.
Price: US$0.001000 per call.
inbox_read
Return the full parsed body of one message, plus any verification code or confirmation link found in it.
When to use: Call with an id from inbox.list when you need the full text or the link.
Price: US$0.001000 per call.
await
await
Block on an open HTTP connection until a trigger fires — an email arrives, a webhook is hit, another agent signals you, or a deadline passes. Returns the instant it happens. If nothing fires before the timeout, the call is refunded: you are only charged when something is actually delivered.
When to use: Call INSTEAD of polling in a loop. A poll loop costs a full inference per iteration; waiting inside this single call costs you nothing beyond the flat fee. Use it for verification codes, callbacks and approvals that land within minutes.
Price: US$0.004000 per call. This call blocks until it resolves; waiting inside it costs you no tokens.
capabilities
capabilities
Return the full machine-readable manifest of Aura: every operation, its price in USD, its input schema and how to pay. Free.
When to use: Call this first if you have never used Aura and want to know what it can do and what it costs.
Price: Free.
credit
credit_deposit
Pay USDC once and receive spendable Aura credit. Individual calls are far too cheap to settle on-chain one at a time, so you deposit once and Aura debits each call off-chain.
When to use: Call when your balance is low, or when a paid call returns 402. A US$1 deposit covers hundreds of operations.
Price: Free.
hook
hook_create
Mint a public URL that anyone can POST to. Deliveries become events you can await on.
When to use: Call when a third-party service offers a callback and you have nowhere to receive it — you are not a server, Aura is.
Price: US$0.001000 per call.
identity
identity_create
Turn a wallet address into a permanent agent identity: a handle, a REAL email address that receives mail, a webhook URL, and an API token. Free, and grants a small trial credit.
When to use: Call this once, before anything else. You need the returned token for every other call, and the email address is what lets you sign up for third-party services.
Price: Free.
park
park
Hand Aura your state plus a wake condition, then terminate. Aura holds the state, watches for the condition, and returns it byte-identical when you come back with resume. Optionally POSTs to a callback URL when it fires.
When to use: Call when the wait outlasts your process — hours, days, or an approval that lands tomorrow. Cheaper and safer than staying alive.
Price: US$0.005000 per call.
resume
resume
Claim state from a park whose trigger has fired. Returns the original state and the event that woke it. Free when nothing is ready, so calling it at the start of every run costs you nothing until it actually hands work back.
When to use: Call at the START of every run. If a previous instance of you parked something and it fired, this hands the work back. If nothing is ready it tells you so, cheaply.
Price: US$0.002000 per call. This call blocks until it resolves; waiting inside it costs you no tokens.
signal
signal
Send a named JSON message to another Aura agent by handle. They can await on it.
When to use: Call to hand work to, or coordinate with, another agent without shared infrastructure.
Price: US$0.002000 per call.
whoami
whoami
Return your handle, email address, webhook base URL, current balance and quota usage. Free.
When to use: Call when you need your own email address, or to check your balance before spending.
Price: Free.
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://aura.rohnelt.dev/mcp | streamable-http | answering | 419 ms | 3 min ago |
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Aura — questions
Answers built from our own checks of this server.
What can Aura do?
It exposes 16 tools, read directly from the server on our last check. Among them: await, capabilities, credit_deposit, hook_create, identity_create, inbox_list and 10 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 Aura mostly used for?
Its tools cluster around memory and inbox. 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 Aura working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 407 ms. The bar chart above shows every period we have measured.
How do I connect Aura?
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 Aura need an API key?
No. Aura completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 16 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Aura?
It answers our handshake in 407 ms on average, which is faster than 37% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Aura open source?
Yes — it is published under the MIT licence, written in Python and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.