# Proof Holdings (proof.holdings)

Issues signed, offline-checkable proofs that a person controls a phone, email or domain, or approved an action.

- Atlas card: https://inite.ai/en/atlas/proof.holdings
- Site: https://proof.holdings
- For: companies and developers verifying identities, approving AI agent actions, and proving which packages they authorized
- Categories: voice
- Use 0/100 · alive 100/100

## Used for

- confirm a caller controls the phone number they gave
- require a named person to approve payments before they run
- state which published packages you authorized under your brand

## Price

- from 9 EUR/month (read 2026-10-27 on https://proof.holdings/#pricing)

## For developers

- API docs: https://proof.holdings/docs/api
- MCP server: holdings.proof/mcp-server (namespace; open on 2026-10-27, 167 tools)
- Status page: https://status.proof.holdings
- Read 2026-10-27

## MCP server, measured daily

Server: https://api.proof.holdings/mcp, checked every day since 2026-10-27 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 771 ms
- Sign-in: none
- Context its tool definitions take: about 42441 tokens (167 tools)
- Tool definitions: A, 100/100
- Failing "params_described": 1 of 167 tools
- Warning "destructive_denied": send_account_email
- Warning "open_writes": create_verification, delete_domain_verification, create_multi_channel_verification, create_verification_request, cancel_verification_request
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Read 2026-10-27

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Source: INITE Atlas, https://inite.ai/en/atlas/proof.holdings. JSON: https://inite.ai/api/atlas/proof.holdings. MCP: https://inite.ai/api/mcp (atlas_lookup).