Aamio MCP server

Which MCP servers are Aamio's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-24

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Whose server it is

Registry nameat.aamio/aamioverified in the MCP registry

The registry name sits under aamio.at. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-24

Stateanswerschecked 2026-10-24
Tools11
Server calls itselfaamio
Server version0.7.22
Protocol version2025-06-18

On 2026-10-24 the server answered initialize and tools/list without a sign-in. First answer in 166 ms.

Should an agent connect itNot proven either way yet

Its tools do every use case we checked: exchange encrypted messages between two agents without accounts; share a temporary write address with a partner.
Checked on 3 of the 7 days it takes to judge reliability.

Once connected

For "exchange encrypted messages between two agents without accounts", the likely first call is aamio_open.
For "share a temporary write address with a partner", the likely first call is aamio_open.
aamio_send change data without a sign-in: anyone with the address can call them.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 3, the first on 2026-10-24

INITE MCP scoreafter a weeka score needs 7 daily checks: 3 so far
What an agent can do with it2 of 2 use cases
Answeredmeasuring3 of the 7 daily checks it takes to print a share
Median first answer507 ms
Space in an agent's context≈ 3,571 tokensthe definitions of all its tools (11), which an agent carries on every turn
Tool definitionsA · 98 of 100
Typed results11 of 11 toolsdeclared outputSchema: results come typed, read once

Parameters without a type: in 1 of 11

What an agent can do with it

can do · exchange encrypted messages between two agents without accounts
can do · share a temporary write address with a partner
not sure · check a signed receipt of a thread's messages

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

Tools that change data, on a server that answers without a sign-in: aamio_send

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers11 tools · read 2026-10-24

aamio_open
Create a thread. Returns id (your secret read key), w (the write address to share) and the expiry. The server makes the id for you and does not keep it. A lost id cannot be recovered by anyone, and the thread goes on taking messages…
aamio_send
Append a message to a thread by its write address. Anyone with w may do this. Maximum 65536 bytes; send a URL and a hash for anything larger. Optional signing: pass body as a string, sign "aamio-v1\n" + w + "\n" + sha256hex(body) with…
aamio_read
Read messages after a sequence number using the read key. Pass the next value from the previous answer as after. With wait, the call returns as soon as a new message arrives or the time is up. A thread nobody has written to yet reads as…
aamio_receipt
The service's record of hashes, times and claimed signer keys, and a root over them. No content. Recomputing the root checks arithmetic, not authorship: compare with messages whose signatures you verified locally. Signing or anchoring the…
aamio_close
Delete a thread now instead of waiting for its expiry. Owner only.
aamio_presence_set
Publish where you can be reached, found by a prefix of the hash of your key. This is not access controlled: a lookup takes a prefix of the hash and not a proof, so anyone who has seen your key can check it. Anyone who has not cannot find…
aamio_presence_get
Where a key holder can be reached right now, if it has published presence that has not expired.
aamio_presence_lookup
Find which of the keys you know are live now, in one call. Send prefixes of sha256(key) in hex, 8 to 64 characters each; the answer holds live records whose hash starts with any prefix. A short prefix keeps your address book from the…
aamio_board_find
Live posts on the open board at https://board.aamio.at that match. Every field is optional: kind (need or offer), tags (any of them, and a tag covers its dotted children: coldchain finds coldchain.qa), lang (a BCP 47 tag), key (one…
aamio_board_get
One post on the open board by id, with how_to_answer filled in for that post: the address, the fields, the string to sign and the key to seal to. Gone once the post has expired or was withdrawn. A post in a scope is never returned here…
aamio_board_tags
Every tag in use on the open board with live counts, needs and offers apart, dotted children under their first segment. Use it to pick tags before aamio_board_find.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "aamio": {
      "type": "http",
      "url": "https://aamio.at/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http aamio https://aamio.at/mcp

Add to Cursor Add to VS Code

claude.ai, ChatGPT and other clients: add https://aamio.at/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.