Public changelog

ontarioprotocol.com

Contract history for the ontarioprotocol.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.

90-day stability

quietsaferiskybreaking

2Breaking · 90d

2Advisories

9Snapshots kept

2026-09-23Last observed

Advisories

ZV-2026-1370 · 2026-09-23breaking

ontarioprotocol.com: Type of max_usdc on ontario_purchase_router changed string → unset.

ZV-2026-0720 · 2026-09-04breaking

ontarioprotocol.com: Field listing was removed from ontario_list-service output; consumers reading it will break.

[breaking] Field payment was removed from ontario_list-service output; consumers reading it will break. [breaking] Field provider_next_steps was removed from ontario_list-service output; consumers reading it will break.

Contract changelog

Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.

2026-09-23 22:49breaking

Type of max_usdc on ontario_purchase_router changed string → unset.

2026-09-23 13:39risky

safe Tool agent_trust_preview was added.
safe Tool github_x402_repo_scan was added.
safe Tool ontario_agent-pay-query-v2 was added.
safe Tool ontario_agent-trust-scan was added.
safe Tool ontario_list-agent was added.
safe Tool ontario_reputation was added.
safe Tool ontario_validate-agent was added.
safe Tool ontario_validate-refresh was added.

+ 4 more in this revision

2026-09-21 12:30safe

Tool ontario_task_fit was added.

2026-09-05 18:13risky

Field buyer_fit was added to bazaar_buyer_intent_gap output.
Field buyer_intent was added to bazaar_buyer_intent_gap output.
Field buyer_intent_portfolio was added to bazaar_buyer_intent_gap output.
Field catalog_visibility was added to bazaar_buyer_intent_gap output.
Field cdp_validation was added to bazaar_buyer_intent_gap output.
Field checked_at was added to bazaar_buyer_intent_gap output.
Field checks was added to bazaar_buyer_intent_gap output.
Field grade was added to bazaar_buyer_intent_gap output.

+ 26 more in this revision

2026-09-05 16:08safe

Tool ontario_validate-service was added.
Description of ontario_list-service changed (15% word delta).
Description of ontario_refresh-listing changed (19% word delta).

2026-09-04 22:44breaking

Field listing was removed from ontario_list-service output; consumers reading it will break.
Field payment was removed from ontario_list-service output; consumers reading it will break.
Field provider_next_steps was removed from ontario_list-service output; consumers reading it will break.

2026-09-02 18:41risky

safe Description of ontario_list-service changed (7% word delta).
risky Optional field mcp_remote_url was added to ontario_list-service; may shift model behaviour.
risky Optional field mcp_server_json_url was added to ontario_list-service; may shift model behaviour.
risky Optional field mcp_server_name was added to ontario_list-service; may shift model behaviour.

Snapshot log

The hashes to pin against. Identical contracts hash identically.

Observed	Contract hash	Tools
2026-09-23 22:49	246cb92abb28	21
2026-09-23 13:39	0b3ae22e08b7	21
2026-09-21 12:30	6f53b183c6f7	10
2026-09-21 00:35	bc0d85456c30	9
2026-09-05 18:13	453175b3b9fc	9
2026-09-05 16:08	f55cf644134c	9
2026-09-04 22:44	004f154ae07f	8
2026-09-02 18:41	b2fe7c13df6b	8
2026-08-12 21:37	62837a39c178	8

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