Google OAuth Credential Service

Google OAuth Credential Service: composes cryptography + google-auth-oauthlib — crypto, oauth-oidc via A2A + MCP.

Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-09-29T22:20:16Z, first seen 2026-09-03T12:08:55Z). Not self-submitted, not cached from a directory.

Measured card surface

field	value
A2A endpoint	`https://authenticated-llm-oauth-agent.getvda.ai/a2a/`
card source	https://authenticated-llm-oauth-agent.getvda.ai/.well-known/agent-card.json
protocolVersion	0.3.0
agent version	0.1.1
preferredTransport	JSONRPC
provider	VDA / GOSCE
skills published	3
card hash (canonical)	`d263764907002dba`

Interface URLs

transport	URL
JSONRPC	`https://authenticated-llm-oauth-agent.getvda.ai/a2a/`

Skills (from card)

skill	description
Crypto	crypto capability provided by cryptography.
Oauth Oidc	oauth oidc capability provided by google-auth-oauthlib.
Self-test (free verification)	FREE — no payment, no API key, no signup. Runs this agent's REAL capability on fixed canned input and returns the genuine result, an honest assertion grade (`asserted_correct` = a property of the outp

Card-drift history

Watching this agent since 2026-09-03T12:08:55Z. Hash = SHA-256 (16 hex) of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only edits don't count as drift. Feed: api/a2a-drift.json.

when (UTC)	what	version	skills	hash was	hash now
2026-09-04T09:46:05Z	changed	0.1.1→0.1.1	3→3	`d1169c1539`	`d263764907`

Same host, MCP side

Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.

MCP endpoint	grade	MCP OK	auth
https://authenticated-llm-oauth-agent.getvda.ai/mcp	A	✓	open

Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.