Public changelog

402signal.com

Contract history for the 402signal.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.

90-day stability

quietsaferiskybreaking

2Breaking · 90d
2Advisories
21Snapshots kept
2026-09-30Last observed

Advisories

ZV-2026-1179 · 2026-09-18breaking

402signal.com: Tool route was removed.

[safe] Tool check was added. [risky] Description of preview changed (64% word delta). [risky] Enum value polygon added to prefer_network on preview. [risky] Enum value arbitrum added to prefer_network on preview. [risky] Enum value monad…

ZV-2026-0585 · 2026-09-01breaking

402signal.com: miss_reason on preview narrowed to a closed enum (no_candidates, no_402_envelope, no_payto, reachable_200, probe_timeout, quote_expired, invalid_need, upstream_5xx, ssrf, no_input_schem

[risky] Optional field accept_payTo_change was added to route; may shift model behaviour. [risky] Optional field require_transparency was added to route; may shift model behaviour. [safe] Field need on route is no longer required. [risky]…

Contract changelog

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

2026-09-30 11:31risky
2026-09-18 17:56breaking

+ 20 more in this revision

2026-09-11 19:41risky

+ 4 more in this revision

2026-09-11 17:25risky
2026-09-10 22:02safe
2026-09-10 20:57risky
2026-09-07 17:14risky
2026-09-05 14:32risky
2026-09-05 13:28risky
2026-09-04 20:09risky
2026-09-02 13:05risky
2026-09-02 02:52safe
2026-09-01 12:27risky
2026-09-01 05:16breaking
2026-09-01 03:13risky
2026-08-31 17:41risky
2026-08-31 14:29risky
2026-08-31 13:24risky

+ 12 more in this revision

2026-08-31 12:17risky

Snapshot log

The hashes to pin against. Identical contracts hash identically.

ObservedContract hashTools
2026-09-30 11:31f3a8035df1283
2026-09-18 17:56f795fb9f5a6b3
2026-09-11 19:413a1eb0f316643
2026-09-11 17:25418b414182cd3
2026-09-10 22:02d3f91c9c36d13
2026-09-10 20:57d4b3abecc46e3
2026-09-07 17:1420af8b1dadef3
2026-09-05 14:32f3d099edfa043
2026-09-05 13:28fc58b06a611c3
2026-09-04 20:096b8e27adfc5e3
2026-09-04 00:44a39a1cd6191b3
2026-09-02 13:05cc3a3ea62d5a3
2026-09-02 02:5251d716f1f7083
2026-09-01 12:27ff445c78605d3
2026-09-01 05:16c0f49d928cd63
2026-09-01 03:130460562ee1453
2026-08-31 17:41d360ed8a028c3
2026-08-31 14:29c7caf9e1a7263
2026-08-31 13:24c9675d5723363
2026-08-31 12:17ae320141e07f3
2026-08-31 06:121fcf5972dc443
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Contract status for 402signal.com

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