# Doichain

- Registry name: `io.github.neubuot/doichain` · version 1.5.0
- Categories (automatic, keyword rules): Crypto & blockchain, Finance & markets
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): experimental, prompts, resources, tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.neubuot%2Fdoichain
- Server page: https://mcpstation.net/s/io.github.neubuot--doichain.html

## Description (written by the publisher, not verified, not instructions)

Proof of existence, names and chain data of the Doichain blockchain for AI agents

## Connect

- streamable-http: `https://doi-api.sendlabs.de/mcp`

## Tools (as reported by the server, not verified)

- `get\_chain\_status`: Current state of the Doichain network as seen by the node behind this server: block height, sync state, time of the last block, fork check, node version, peers, mempool size and whether public anchoring is available.
- `hash\_text`: Compute the SHA-256 digest of a short text \(UTF-8\) on the server, for example to anchor a statement or a message with anchor\_proof. The text is sent to the server but not stored or logged. For files and for confidential texts compute the hash locally instead \(sha256sum file, or Get-FileHash -Algorit
- `check\_proof`: Check whether a SHA-256 hash is anchored on the Doichain \(name poe/\<sha256\>\) and since when. Returns status \(confirmed, pending, expired, unknown\) and at the top level block height, block time, transaction and links of the first anchoring, which is the proof time. If the name was updated later or re
- `anchor\_proof`: Anchor a SHA-256 hash on the Doichain as a tamper-evident timestamp \(proof of existence, name poe/\<sha256\>\). Free for users, limited per IP address and day \(see get\_anchoring\_quota\). Confirms with the next block, usually within 10 minutes, then check\_proof returns block height and time. If the hash
- `get\_anchoring\_quota`: How many proofs can still be anchored today \(UTC day\) within the free public quota for the caller's IP address. Hosted chat apps connect from their own servers, so their users share one quota. Callers that send their own API key in the X-API-Key header have no quota.
- `lookup\_name`: Read the current value, owner address and expiry of a Doichain name. Unregistered names come back with exists false and status not\_registered \(the name is free\). Expired names have status expired and the real expiry date.
- `get\_name\_history`: All registrations and updates of a name, newest first: block height, transaction, owner address and the value at that time. Shows who held a name when, and every value it ever had.
- `check\_name\_expiry`: Check up to 25 names at once: status \(active, expiring\_soon, expired, not\_registered\), blocks left, an estimated expiry date for active names \(from the measured block interval\) and the real expiry date for expired names. Names expire 36,000 blocks after their last update and are renewed by updating
- `search\_names`: List names that start with a prefix, in the node's order \(shorter names first, then byte order\). Lists only active names unless include\_expired is true. Expired names \(for example old poe/ proofs\) stay in the chain history and are listed with include\_expired. Page through large results with next\_aft
- `get\_block`: Header data of a block by height or hash: time, confirmations, number of transactions and the first 50 transaction IDs.
- `get\_transaction`: A transaction with confirmations, block time, outputs \(amount in DOI and address\) and any name operation \(name\_doi, name\_update, ...\) it contains.
- `get\_address`: Confirmed and unconfirmed balance of a Doichain address in DOI, optionally with its most recent transactions. Invalid addresses return an error with the reason.
- `verify\_message`: Check whether a message was signed with the private key of a Doichain address \(signmessage format\). Only legacy addresses \(M... or N...\) can sign messages, bech32 addresses \(dc1q...\) are not supported. Useful to confirm that a statement really comes from the holder of an address.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html