DaData.ru for AI agents
DaData validates and standardizes data like addresses, names, and company details, cleaning up messy input before it enters a database. Connect it once through Arc0, and your agent, or Claude, ChatGPT and Cursor, can use it through one MCP endpoint, limited to what each user approved.
What agents do in DaData.ru.
Clean and standardize an address
Clean a raw address string into a standardized format before saving it to a record.
Look up a company by details
Find a company or entrepreneur's official registration details from a partial name.
Validate a phone number
Clean and validate a phone number's format before it's stored in a contact record.
63 DaData.ru actions, graded by risk.
Every DaData.ru action is tagged read, write or destructive, so one policy covers the whole app and new actions inherit the right default.
read
27Look things up. Allowed by default.
- dadata_ru.find_bankFind Bank
- dadata_ru.find_mktuFind MKTU
- dadata_ru.find_partyFind Company or Entrepreneur
- dadata_ru.find_okved2Find OKVED2
- dadata_ru.find_addressFind Address
- dadata_ru.find_countryFind Country
- dadata_ru.find_currencyFind Currency
- dadata_ru.find_deliveryFind Delivery City IDs
- dadata_ru.find_fms_unitFind FMS Unit
- dadata_ru.find_fns_unitFind FNS Unit by Code
- dadata_ru.find_fts_unitFind FTS Unit
- dadata_ru.find_party_byFind Belarus Party by UNP
- dadata_ru.find_party_kzFind Kazakhstan Company by BIN
- dadata_ru.find_car_brandFind Car Brand
- dadata_ru.find_fias_by_idFind Address by FIAS ID
- dadata_ru.find_court_by_idFind Court by ID
write
36Create and change things. Allow, or ask the user first.
- dadata_ru.clean_nameClean Name (FIO)
- dadata_ru.clean_emailClean Email
- dadata_ru.clean_phoneClean Phone
- dadata_ru.clean_recordClean Composite Record
- dadata_ru.suggest_bankSuggest Bank
- dadata_ru.suggest_fiasSuggest FIAS Address
- dadata_ru.suggest_mktuSuggest MKTU
- dadata_ru.suggest_nameSuggest Name
- dadata_ru.clean_addressClean Address
- dadata_ru.clean_vehicleClean Vehicle
- dadata_ru.suggest_courtSuggest Court
- dadata_ru.suggest_emailSuggest Email
- dadata_ru.suggest_metroSuggest Metro
- dadata_ru.suggest_okpd2Suggest OKPD2
- dadata_ru.suggest_oktmoSuggest OKTMO
- dadata_ru.suggest_partySuggest Party
destructive
0Delete, cancel or archive. Ask first, or deny outright.
- No destructive actions.
DaData.ru in three steps.
- 01Your users connect DaData.ruThey add their DaData.ru api key on Arc0 Connect, under your brand. It goes straight into the vault.
- 02You set the rulesReads run, and writes like “clean Name (FIO)” can wait for the user to approve.
- 03Any agent can actYour agent calls DaData.ru through the Arc0 SDK or MCP, and so can Claude, ChatGPT and Cursor. Every call lands on the audit log.
await arc0.policies.set('dadata_ru', { read: 'allow', write: 'ask', // clean_name destructive: 'deny', }) # Claude Code: the same connection, one URL $ claude mcp add --transport http arc0 \ https://mcp.arc0.ai/u/u_8f2
How DaData.ru connects.
Users add their DaData.ru api key on Arc0 Connect. It is encrypted in the vault, never shown to the model, and each user can rotate or revoke it at any time.
The same DaData.ru connection serves your agent over MCP and your own backend over REST and the proxy, so a user connects once. How Arc0 handles credentials →
- AUTH
- API key
- CREDENTIALS
- Per-tenant encrypted vault
- MODEL SEES
- Results only, never credentials
- AUDIT LOG
- Every call, on every plan
Use DaData.ru from any agent.
DaData.ru and Arc0, answered.
Can I use DaData.ru with Claude, ChatGPT or Cursor?
Yes. Connect DaData.ru to Arc0 once, then add your Arc0 MCP URL to Claude, ChatGPT, Cursor, Claude Code or any other remote-MCP client. Each assistant only gets the DaData.ru actions you allow.
How do users connect DaData.ru?
Users add their DaData.ru api key on Arc0 Connect. It is encrypted in the vault, never shown to the model, and each user can rotate or revoke it at any time.
Which DaData.ru actions can my agent take?
63 in total: 27 read, 36 write and 0 destructive, such as “clean Name (FIO)”. Your policies decide which of them each agent may call.
Can I make my agent read-only in DaData.ru?
Yes. Allow read actions and deny writes in the DaData.ru policy. Your agent can still look things up, and any write it attempts is blocked and logged.
Can my own backend call DaData.ru too?
Yes. The same DaData.ru connection is available over REST and through the Arc0 proxy, so your product and your agent share one connection per user.
Plug DaData.ru into your agent.
Your users connect DaData.ru once, under your brand. Your agent gets 63 actions behind your policies, with every call on the record.
Free to build · MCP + REST · Audit log on every plan