[{"slug":"ZV-2026-0176","server_name":"agent402.tools","severity":"breaking","title":"agent402.tools: Field wire was removed from sellers.list input; consumers still sending it may be rejected or silently ignored.","summary":"[risky] Description of sellers.list changed (46% word delta). [breaking] Field wire was removed from sellers.list input; consumers still sending it may be rejected or silently ignored. [breaking] Field wire was removed from sellers.list output; consumers reading it will break. [breaking] Field measure was removed from sellers.list output; consumers reading it will break. [breaking] Type of window on sellers.list changed string|null → string.","changes":[{"kind":"description_changed","tool":"sellers.list","after":"[free] List ranked x402 sellers from the on-chain settlement leaderboard: settled call counts, USDC totals and distinct buyers per seller. Use it to find other services in the open x402 ecosystem. This host's own wallet is excluded unless include is set to all.","before":"[free] List ranked sellers from the on-chain settlement leaderboards. wire=x402 (default): x402 sellers by settled call counts, USDC totals and distinct buyers. wire=mpp: MPP (Machine Payments Protocol) sellers ranked by inbound USDC.e transfers on Tempo to the recipient their live 402 names (window count, rolling 7d/30d, distinct payers, volume; routable = this host's router will pay them). Use it to find other services in the open x402 / MPP ecosystem. This host's own wallet is excluded unless include is set to all.","detail":"Description of `sellers.list` changed (46% word delta).","severity":"risky","descriptionDelta":0.4571428571428572},{"kind":"input_property_removed","path":"inputSchema.properties.wire","tool":"sellers.list","before":{"enum":["x402","mpp"],"type":"string","description":"Which leaderboard: x402 (default, Base USDC settlements) or mpp (Tempo USDC.e transfers to MPP sellers)."},"detail":"Field `wire` was removed from `sellers.list` input; consumers still sending it may be rejected or silently ignored.","severity":"breaking"},{"kind":"output_property_removed","path":"outputSchema.properties.wire","tool":"sellers.list","before":{"enum":["x402","mpp"],"type":"string"},"detail":"Field `wire` was removed from `sellers.list` output; consumers reading it will break.","severity":"breaking"},{"kind":"output_property_removed","path":"outputSchema.properties.measure","tool":"sellers.list","before":{"type":"string"},"detail":"Field `measure` was removed from `sellers.list` output; consumers reading it will break.","severity":"breaking"},{"kind":"output_type_changed","path":"outputSchema.properties.window","tool":"sellers.list","after":"string","before":"string|null","detail":"Type of `window` on `sellers.list` changed string|null → string.","severity":"breaking"}],"published_at":"2026-08-18T20:34:35.610Z"},{"slug":"ZV-2026-0173","server_name":"agent402.tools","severity":"breaking","title":"agent402.tools: Type of window on sellers.list changed string → string|null.","summary":"[risky] Description of sellers.list changed (46% word delta). [risky] Optional field wire was added to sellers.list; may shift model behaviour. [risky] Field measure was added to sellers.list output. [risky] Field wire was added to sellers.list output. [breaking] Type of window on sellers.list changed string → string|null.","changes":[{"kind":"description_changed","tool":"sellers.list","after":"[free] List ranked sellers from the on-chain settlement leaderboards. wire=x402 (default): x402 sellers by settled call counts, USDC totals and distinct buyers. wire=mpp: MPP (Machine Payments Protocol) sellers ranked by inbound USDC.e transfers on Tempo to the recipient their live 402 names (window count, rolling 7d/30d, distinct payers, volume; routable = this host's router will pay them). Use it to find other services in the open x402 / MPP ecosystem. This host's own wallet is excluded unless include is set to all.","before":"[free] List ranked x402 sellers from the on-chain settlement leaderboard: settled call counts, USDC totals and distinct buyers per seller. Use it to find other services in the open x402 ecosystem. This host's own wallet is excluded unless include is set to all.","detail":"Description of `sellers.list` changed (46% word delta).","severity":"risky","descriptionDelta":0.4571428571428572},{"kind":"input_property_added","path":"inputSchema.properties.wire","tool":"sellers.list","after":{"enum":["x402","mpp"],"type":"string","description":"Which leaderboard: x402 (default, Base USDC settlements) or mpp (Tempo USDC.e transfers to MPP sellers)."},"detail":"Optional field `wire` was added to `sellers.list`; may shift model behaviour.","severity":"risky"},{"kind":"output_property_added","path":"outputSchema.properties.measure","tool":"sellers.list","after":{"type":"string"},"detail":"Field `measure` was added to `sellers.list` output.","severity":"risky"},{"kind":"output_property_added","path":"outputSchema.properties.wire","tool":"sellers.list","after":{"enum":["x402","mpp"],"type":"string"},"detail":"Field `wire` was added to `sellers.list` output.","severity":"risky"},{"kind":"output_type_changed","path":"outputSchema.properties.window","tool":"sellers.list","after":"string|null","before":"string","detail":"Type of `window` on `sellers.list` changed string → string|null.","severity":"breaking"}],"published_at":"2026-08-18T18:29:32.513Z"}]