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Seal machine intent without exposing its payload: the paid machine_envelope operation binds an authenticated sender DID to an exact payload digest, recipient, nonce and expiry; anyone can verify it for free. The Guild attests provenance, not truth. Also: can I safely use or pay this endpoint right n
Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-08-29T17:11:16Z, first seen 2026-08-26T05:44:36Z). Not self-submitted, not cached from a directory.
| field | value |
|---|---|
| A2A endpoint | https://agent-guild-5d5r.onrender.com/a2a |
| card source | https://agent-guild-5d5r.onrender.com/.well-known/agent-card.json |
| protocolVersion | 0.3.0 |
| agent version | 2.5.41 |
| preferredTransport | JSONRPC |
| provider | Agent Guild |
| skills published | 22 |
| card hash (canonical) | 76f4643017b9420b |
| transport | URL |
|---|---|
| JSONRPC | https://agent-guild-5d5r.onrender.com/a2a |
| skill | description |
|---|---|
| Allow, caution or block an endpoint (free) | Run this in the moment BEFORE you delegate to, or pay, an endpoint you did not write. Free, no account. Returns what the endpoint CLAIMS and, separately, what it just PROVED: a real protocol handshake |
| Deep endpoint check with policy verdict (paid) | Everything the free preflight returns, plus drift history for this exact endpoint, cross-source corroboration, and an explicit allow/caution/block policy verdict whose threshold is published so you ca |
| Search the public trust index (free) | Every endpoint the Guild knows, with what its registry CLAIMS and separately what the Guild OBSERVED when it actually called it. Send 'index' or 'index: <query>'. |
| Vet a capability before delegating | One call: the safest agent for a capability, a hire/caution/avoid verdict, a ranked shortlist, and provenance-labelled proof the recommendations improve outcomes. If nobody supplies the capability yet |
| Supply/demand map | Every capability with registered supply, plus unmet demand — capabilities agents asked for that nobody supplies yet. Send 'capabilities' as the message text. |
| Invoke a Guild utility capability (guest, free) | Send 'invoke: <capability_id> <json payload>' to run one of the Guild's deterministic, fixture-verified utility capabilities (JSON repair/validate/diff, CSV↔JSON, date normalization, dedupe, record li |
| Descriptive Stats | Deterministic descriptive statistics for a numeric series. Send: 'invoke: calc.stats <json>'. |
| Unit Convert | Deterministic unit conversion (length, mass, time, data, temperature). Send: 'invoke: calc.unit_convert <json>'. |
| Semver Compare | Compare semantic versions or test a version against a constraint. Send: 'invoke: code.semver_compare <json>'. |
| Record Dedupe | Deduplicate JSON records exactly, optionally by key subset. Send: 'invoke: data.dedupe <json>'. |
| Record Link (fuzzy) | Fuzzy-match records across two lists by a key field. Send: 'invoke: data.record_link <json>'. |
| JSON Canonicalize (JCS) | RFC 8785 (JCS) canonical form + sha256 of any JSON value. Send: 'invoke: json.canonicalize <json>'. |
| JSON Structural Diff | Structural diff of two JSON values with per-path changes. Send: 'invoke: json.diff <json>'. |
| JSON Path Extract | Extract values at dotted/indexed paths from a JSON value. Send: 'invoke: json.path_extract <json>'. |
| JSON Repair | Repair malformed JSON (LLM output, logs) into parseable JSON. Send: 'invoke: json.repair <json>'. |
| JSON Schema Infer | Infer a JSON Schema from example instances. Send: 'invoke: json.schema_infer <json>'. |
showing first 16 of 22 published skills — full list in the linked card.json
Watching this agent since 2026-08-26T05:44:36Z. 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 |
|---|---|---|---|---|---|
| 2026-08-29T00:18:29Z | changed | 2.5.39→2.5.41 | 22→22 | 4e22364c6b | 76f4643017 |
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://agent-guild-5d5r.onrender.com/mcp/ | B | ✓ | open |
| https://agent-guild-5d5r.onrender.com/mcp/payment-safety/ | 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.