[safe] Description of attest changed (7% word delta). [safe] Description of cleared_buyer changed (9% word delta). [breaking] Type of median30d on congestion changed number → number|null. [breaking] Type of fastestFee on congestion changed…
[safe] Tool stream_register was added. [safe] Tool stream_register_all was added. [safe] Description of cleared_buyer changed (2% word delta). [breaking] Type of optionsVolatility on deep_report changed object|null → array|object|null…
[safe] Description of liquidations changed (7% word delta). [breaking] Enum value solana removed from chain on liquidations. [breaking] Enum value xrp removed from chain on liquidations. [breaking] Enum value tron removed from chain on…
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
2026-10-02 00:08risky
Description of liquidations changed (41% word delta).
2026-10-01 23:02safe
Description of governance_activity changed (22% word delta).
2026-10-01 22:57risky
safe Description of agent_report changed (9% word delta).
risky Description of bridge_flows changed (33% word delta).
risky Description of buy_key changed (76% word delta).
risky Description of governance_activity changed (42% word delta).
risky Description of latest_signals changed (32% word delta).
risky Description of liquidations changed (32% word delta).
risky Description of options_skew changed (29% word delta).
risky Description of stablecoin_flows changed (37% word delta).
+ 7 more in this revision
2026-09-23 00:11safe
Description of lexicon_spec changed (15% word delta).
2026-09-22 23:09breaking
safe Description of attest changed (7% word delta).
safe Description of cleared_buyer changed (9% word delta).
breaking Type of p90_30d on congestion changed number → number|null.
breaking Type of median30d on congestion changed number → number|null.
breaking Type of fastestFee on congestion changed number → number|null.
breakinginstrument on fill_receipts narrowed to a closed enum (spcx, crcl); previously valid values may now be rejected.
breakinginstrument on instrument_signals narrowed to a closed enum (spcx, crcl); previously valid values may now be rejected.
breakinginstrument on instrument_state narrowed to a closed enum (spcx, crcl); previously valid values may now be rejected.
+ 8 more in this revision
2026-09-19 20:37safe
Tool lexicon_bulk was added.
Tool lexicon_bundle was added.
Tool lexicon_statement was added.
2026-09-19 03:01safe
Tool lexicon_resolve was added.
Tool lexicon_spec was added.
2026-09-18 20:46safe
Tool standing_bulk was added.
2026-09-18 19:39safe
Tool standing_watch was added.
Description of screened_payer changed (4% word delta).
2026-09-18 19:26safe
Tool agent_standing was added.
Tool standing_spec was added.
2026-09-17 18:58safe
Tool lead_alert_spec was added.
Tool lead_alerts was added.
Tool verify_lead_alert was added.
Description of webhook_register changed (8% word delta).
2026-09-16 22:02breaking
safe Tool stream_register was added.
safe Tool stream_register_all was added.
safe Description of cleared_buyer changed (2% word delta).
breaking Type of sessions on deep_report changed object|null → array|object|null.
breaking Type of optionsVolatility on deep_report changed object|null → array|object|null.
safe Description of webhook_register changed (14% word delta).
2026-09-16 20:59safe
Description of screened_payer changed (4% word delta).
2026-09-16 19:56safe
Tool mev_flow_spec was added.
Tool mev_pressure was added.
Tool victim_flow was added.
Description of webhook_register changed (13% word delta).
2026-09-14 23:53safe
Tool fill_receipts was added.
Tool instrument_signals was added.
Tool instrument_spec was added.
Tool instrument_state was added.
Tool instruments was added.
Tool verify_fill was added.
Tool verify_instrument_signal was added.
2026-09-14 21:42risky
Description of freshness changed (30% word delta).
2026-09-08 18:29safe
Tool buyer_clearance was added.
Tool cleared_buyer was added.
2026-09-07 22:56risky
safe Tool receipt_spec was added.
safe Tool screened_payer was added.
risky Field source was added to btc_mempool_history output.
risky Description of delivery_status changed (64% word delta).
risky Field meta was added to delivery_status output.
risky Field receipt was added to delivery_status output.
safe Description of verified_delivery changed (4% word delta).
risky Field source was added to wallet_risk output.
2026-09-07 19:48safe
Tool delivery_spec was added.
Tool delivery_status was added.
Tool verified_delivery was added.
2026-09-06 00:13breaking
safe Description of liquidations changed (7% word delta).
breaking Enum value bitcoin removed from chain on liquidations.
breaking Enum value solana removed from chain on liquidations.
breaking Enum value xrp removed from chain on liquidations.
breaking Enum value tron removed from chain on liquidations.
breaking Enum value sui removed from chain on liquidations.
safe Description of mev_bots changed (9% word delta).
breaking Enum value bitcoin removed from chain on mev_bots.
+ 18 more in this revision
2026-09-05 07:51risky
safe Tool data_changelog was added.
safe Tool hire_plan_gridtrader was added.
safe Tool hire_plan_healthmon was added.
safe Tool hire_plan_rebalancer was added.
safe Tool hire_plan_yieldopt was added.
risky Description of agent_report changed (26% word delta).
risky Field meta was added to agent_report output.
risky Field receipt was added to agent_report output.
+ 73 more in this revision
2026-09-01 23:11risky
safe Description of buy_key changed (23% word delta).
risky Description of mev_intel changed (36% word delta).
safe Description of options_skew changed (9% word delta).
2026-08-24 19:19safe
Tool agent_report was added.
Tool bridge_flows was added.
Tool btc_mempool_history was added.
Tool builder_relays was added.
Tool candles was added.
Tool chain_brief was added.
Tool gas_state was added.
Tool governance_activity was added.
+ 8 more in this revision
2026-08-24 18:14risky
safe Tool verified_agents was added.
risky Field date was added to daily_digest output.
risky Field days was added to daily_digest output.
risky Field digestBytes was added to daily_digest output.
risky Field digestSha256 was added to daily_digest output.
risky Field digestUrl was added to daily_digest output.
risky Field found was added to daily_digest output.
risky Field leaves was added to daily_digest output.
+ 6 more in this revision
2026-08-24 17:12safe
Tool daily_digest was added.
Tool freshness was added.
Snapshot log
The hashes to pin against. Identical contracts hash identically.
Free forever for open-source maintainers. It reports what Zevruna actually observed, a green badge means no breaking change in ninety days, and it says so honestly when a server has never been polled.
[](https://zevruna.com/servers/mcp.chainhelix.io)