ZV-2026-1125 · 2026-09-16 · mcp.chainhelix.io

mcp.chainhelix.io: Type of sessions on deep_report changed object|null → array|object|null.

breaking

What changed

Type of sessions on deep_report changed object|null → array|object|null. Type of optionsVolatility on deep_report changed object|null → array|object|null.

What to do

If your agents call mcp.chainhelix.io, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.

The redline

−  object|null
+  array|object|null   deep_report
−  object|null
+  array|object|null   deep_report
+  stream_register  Tool stream_register was added.
+  stream_register_all  Tool stream_register_all was added.
−  Requires a ChainHelix API key as bearer token, or 200 cents per call paid over Binance b40…
+  Requires a ChainHelix API key as bearer token, or 2 dollars per call paid over Binance b40…   cleared_buyer
−  Requires a ChainHelix API key as bearer token, or 70 cents per call paid over Binance b402…
+  Requires a ChainHelix API key as bearer token, or 70 cents per call paid over Binance b402…   webhook_register
Full mcp.chainhelix.io changelog →JSON feedWatch this for my agents