Public changelog
Contract history for the riddle.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
Advisories
[breaking] Tool questionBank_addTag was removed. [breaking] Tool questionBank_blockTypeColumns was removed. [breaking] Tool questionBank_delete was removed. [breaking] Tool questionBank_deleteItem was removed. [breaking] Tool…
[safe] Tool riddle_tag_delete was added. [risky] Description of palette_get changed (49% word delta). [risky] Optional field omit was added to palette_get; may shift model behaviour. [safe] Description of questionBank_delete changed (10%…
[safe] Tool project_get was added. [safe] Tool project_get_settings was added. [safe] Tool project_list was added. [safe] Tool reference_get was added. [safe] Tool riddle_builder_placeholder was added. [safe] Tool riddle_builder_update was…
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
questionBank_addItem was removed.questionBank_addTag was removed.questionBank_blockTypeColumns was removed.questionBank_delete was removed.questionBank_deleteItem was removed.questionBank_discardChanges was removed.questionBank_duplicate was removed.questionBank_get was removed.+ 101 more in this revision
riddle_qr_code was removed.riddle_tag_delete was added.palette_get changed (49% word delta).omit was added to palette_get; may shift model behaviour.questionBank_delete changed (10% word delta).questionBank_removeTag changed (15% word delta).includeAvailableTopics was added to reference_get; may shift model behaviour.riddle_move_check changed (19% word delta).+ 10 more in this revision
project_get was added.project_get_settings was added.project_list was added.reference_get was added.riddle_builder_placeholder was added.riddle_builder_update was added.riddle_builder_validate was added.stats_fetch was added.+ 65 more in this revision
Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-09-02 13:06 | 77887c28c9af | 38 |
| 2026-08-24 14:14 | 326e50e36f14 | 62 |
| 2026-08-24 12:12 | 95663b4ea74e | 62 |
| 2026-08-24 06:07 | 19ea88840dd9 | 50 |
Maintainer badge
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/riddle.com)