Connect-MCP

Doichain

io.github.neubuot/doichain · v1.5.0

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

MCPremoteno credentialsMessaging

Reported outcomes

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Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 13 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

A 100/100

What it does: 13 tools · 12 read, 1 write · Messaging, Files & storage, Documents & PDF

Test call get_chain_status: worked (1,020 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: +5
  • Safe test call: +20
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://doi-api.sendlabs.de/mcp

Tools

13 tools listed at last check
  • 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
  • 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 lat
  • 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 t
  • 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 u
  • 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
  • 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.

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