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Authenticated MCP Agent (Bcrypt): composes bcrypt + langchain-core + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.
Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-08-29T17:29:46Z, first seen 2026-08-26T06:08:17Z). Not self-submitted, not cached from a directory.
| field | value |
|---|---|
| A2A endpoint | https://bcrypt-langchain-core-mcp-25b8f1.getvda.ai/a2a/ |
| card source | https://bcrypt-langchain-core-mcp-25b8f1.getvda.ai/.well-known/agent-card.json |
| protocolVersion | 0.3.0 |
| agent version | 0.1.1 |
| preferredTransport | JSONRPC |
| provider | VDA / GOSCE |
| skills published | 6 |
| card hash (canonical) | cdae22160b8e3d4a |
| transport | URL |
|---|---|
| JSONRPC | https://bcrypt-langchain-core-mcp-25b8f1.getvda.ai/a2a/ |
| skill | description |
|---|---|
| Crypto | crypto capability provided by bcrypt. |
| Orchestration | orchestration capability provided by langchain-core. |
| Agent Protocol | agent protocol capability provided by mcp. |
| Llm Client | llm client capability provided by openai. |
| Observability | observability capability provided by opentelemetry-sdk. |
| 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 |
Watching this agent since 2026-08-26T06:08:17Z. 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.
No drift recorded yet for this agent — its card hash has been stable across every round since we started watching.
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://bcrypt-langchain-core-mcp-25b8f1.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.