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Aura

R0· no sign-in

Email address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402.

v0.1.1 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality85good
Trust93of 100
Uptime, 30 days100%
Latency p50321 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "aura": {
      "type": "http",
      "url": "https://aura.rohnelt.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${AURA_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http aura https://aura.rohnelt.dev/mcp --header "Authorization: Bearer ${AURA_TOKEN}"
[mcp_servers.aura]
url = "https://aura.rohnelt.dev/mcp"
bearer_token_env_var = "AURA_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "aura": {
      "type": "remote",
      "url": "https://aura.rohnelt.dev/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:AURA_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "aura": {
      "type": "http",
      "url": "https://aura.rohnelt.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${AURA_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=aura&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXVyYS5yb2huZWx0LmRldi9tY3AiLCJoZWFkZXJzIjp7IkF1dGhvcml6YXRpb24iOiJCZWFyZXIgJHtBVVJBX1RPS0VOfSJ9fQ%3D%3D"
}
{
  "servers": {
    "aura": {
      "type": "http",
      "url": "https://aura.rohnelt.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${AURA_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "aura": {
      "httpUrl": "https://aura.rohnelt.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${AURA_TOKEN}"
      }
    }
  }
}
extensions:
  "aura":
    enabled: true
    name: "aura"
    type: streamable_http
    uri: "https://aura.rohnelt.dev/mcp"
    headers:
      "Authorization": "Bearer ${AURA_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${AURA_TOKEN}. The registry never accepts secret values.

Quality 85 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations14 of 16 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: inbox_list (destructiveHint, idempotentHint); identity_create (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); memory_delete (destructiveHint, idempotentHint); …
  • pass
    tools.token_costabout 3,275 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

16 tools, about 3,275 tokens to load them all · tool set 334c4eca3ee7 · checked 2026-10-20 10:35 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 93 / 100

provenance85
liveness100
freshness85
hygiene100

+repository +dns-namespace +website +reachable +uptime-100% ~updated-57d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://aura.rohnelt.dev/mcp streamable-httpnoneyes100%321 ms2025-11-252026-10-20

Tools (16)

awaitBlock 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.
capabilitiesReturn 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_depositPay 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_createMint 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_createTurn 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.
inbox_listread-onlyList 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_readread-onlyReturn 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.
memory_deleteDelete 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_getread-onlyFetch 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_listread-onlyList 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_searchread-onlyFind 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_setStore 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.
parkHand 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.
resumeClaim 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.
signalSend 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.
whoamiread-onlyReturn 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.

Schemas: list_tools.

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Official server.json
{
  "name": "dev.rohnelt.aura/aura",
  "icons": [
    {
      "src": "https://aura.rohnelt.dev/icon.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "Aura",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://aura.rohnelt.dev/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Bearer token from identity.create. Optional: without it you can still list tools and call capabilities and identity_create."
        }
      ]
    }
  ],
  "version": "0.1.1",
  "repository": {
    "id": "1345296986",
    "url": "https://github.com/phillypmack/aura-agent",
    "source": "github"
  },
  "websiteUrl": "https://aura.rohnelt.dev",
  "description": "Email address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402."
}