# Did (did.is)

Checks DIDs, signed credentials, and agent endpoints against published standards, reporting what is proven and what is not.

- Atlas card: https://inite.ai/en/atlas/did.is
- Site: https://did.is
- For: developers verifying decentralized identifiers, credentials, and MCP or A2A agents
- Categories: marketing
- Use not measured/100 · alive 100/100

## Used for

- check whether a DID resolves to verifiable keys
- inspect MCP servers and A2A agent cards before use
- verify credentials and their status lists

## Price

- from 49 USD/month, free plan (read 2026-10-28 on https://did.is/pricing)

## For developers

- OpenAPI: https://did.is/openapi.json (20 paths)
- API docs: https://did.is/developers
- MCP server: is.did/mcp (namespace; open on 2026-10-28, 7 tools)
- Status page: https://did.is/status
- Read 2026-10-28

## MCP server, measured daily

Server: https://did.is/mcp, checked every day since 2026-10-28 (5 checks).

- Answered: measuring, 5 daily checks so far
- Median first answer: 288 ms
- Sign-in: none
- Context its tool definitions take: about 1000 tokens (7 tools)
- Tool definitions: A, 90/100
- Failing "params_described": 4 of 7 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-28

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