io.github.neubuot/doichain

up checked 2026-11-11T06:40:33.057Z

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Publisher-provided title

Doichain

Publisher-provided description

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

Summary by lookupd

Anchors SHA-256 proofs of existence on the Doichain, checks their status, and reads names, balances, blocks and transactions.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http doichain https://doi-api.sendlabs.de/mcp

Codex, remote (streamable-http)

codex mcp add doichain --url https://doi-api.sendlabs.de/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "doichain": {
      "url": "https://doi-api.sendlabs.de/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (13 tools)

Publisher-provided text

• 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, pe
• 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
• 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 th
• 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
• 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 serv
• 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 f
• 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
• 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 meas
• 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. Exp
• 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 rea
• 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,

Details

• Version: 1.5.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1129 ms
• First indexed: 2026-11-01T09:42:49.520Z
• Last seen in registry: 2026-11-01T09:42:49.530Z
• Repository: https://github.com/neubuot/doichain-mcp
• Website: https://doi-api.sendlabs.de/mcp

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• Last crawl: 2026-11-11T15:38:39.561Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp