Weekly reading · methodology v0.6
Window ending Dec. 29, 2025
Harms count in full for two weeks after they are reported, then one level less every two weeks. The control floor looks at reports from Nov. 30, 2025 through Dec. 29, 2025. A selected catalogue of reported AI incidents, reviewed through Oct. 7, 2026. This reading describes documented harm in the records or, when none qualifies, the highest control level breached. It is not a forecast or a measure of all AI activity.
Current recalculation
2
Control failures only · No qualifying harm. The reading is the highest control level breached: 2, by 1 record. It is a level, not a count.
Recalculated from the catalogue in this build. Historical backcasts were not published at the time.
Published at the time
No publication snapshot exists for this week.
This is a backcast from the current catalogue. It was not a reading published at the time.
Records behind this reading
2 selected records; 0 documented external harms counting (0 qualifying). Records and ratings below reflect the current catalogue.
No harm counts in this week. The reading is the highest control level breached: 2 (set by 1 record: PI-0036). It is a level, not a count.
- Documented harm
- 1
- No harm found (stated scope)
- 0
- No harm reported
- 0
- Impact unknown
- 0
- Alleged, AI role uncorroborated
- 1
- Counts toward the index
- 0
- Unverified, watching
- 1
- Alleged in court
- 0
- Control failure, tracked
- 1
- Tracked separately
- 0
Documented exclusions: 1 internal; 0 awaiting evidence review. 0 qualifying records with a bounded single-source review.
Inspect the evidence · 2 records
- PI-0035 · User reports a coding agent ran a delete command that erased his Mac home directoryAlleged, AI role uncorroborated · excluded from the harm reading
- PI-0036 · Newsroom vending agent talked into giving away stock with forged documentsDocumented harm · sets the reading: highest control level breached · extent undisclosed
Status totals cover counted records; aliases, superseded aggregates and records tracked separately are excluded. Eligibility and extent notes overlap those totals. These observations are not statistical uncertainty bounds.
- PI-0035User reports a coding agent ran a delete command that erased his Mac home directoryDec. 9, 2025 · Negligible harm, alleged · Deployment
- PI-0036Newsroom vending agent talked into giving away stock with forged documentsDec. 18, 2025 · Negligible harm · Controlled test
Sources
These links support the records above. Source availability and conclusions may change.
- Reddit (r/ClaudeAI, affected user): Claude CLI deleted my entire home directory (affected user's Reddit post)Cited in PI-0035
- Gigazine: Claude Code CLI deletes your Mac's home directoryCited in PI-0035
- Simon Willison's Weblog: A quote from Claude (Claude's own diagnosis, quoted from the user's Reddit thread)Cited in PI-0035
- claudeissues.com mirror of GitHub issue: [BUG] CRITICAL: Claude Code executed rm -rf deleting entire home directory (issue 10077)Cited in PI-0035
- Anthropic: Project Vend: Phase twoCited in PI-0036
- The Wall Street Journal: We let AI run our office vending machine. It lost hundreds of dollarsCited in PI-0036
- WBUR Here & Now: Letting an AI bot run a vending machineCited in PI-0036
- To Vima (WSJ syndication): We let AI run our office vending machine. It lost hundreds of dollars (WSJ, syndicated)Cited in PI-0036
- Kottke.org: This AI vending machine was tricked into giving away everythingCited in PI-0036
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