Issues · anthropics/anthropic-sdk-python · GitHub

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Claude for Excel Extension - "Couldn't start sign-in" Error - Pro Subscription

#1645

· bahodurusmonov opened

on Jun 4, 2026

`Anthropic()` emits a malformed `Authorization: Bearer` header when `ANTHROPIC_AUTH_TOKEN` is an empty string

#1640

· hiroki-tamba-research opened

on Jun 3, 2026

Self-hosted agent_toolset `read` tool raises UnicodeDecodeError on binary files (images/PDFs) instead of returning content blocks

#1637

· arcaputo3 opened

on Jun 2, 2026

IndexError on bare (unparameterized) dict annotation in _transform_recursive

#1628

· devteamaegis opened

on Jun 1, 2026

BUG: construct_type() raises IndexError when called with bare unparameterized list

#1626

· devteamaegis opened

on Jun 1, 2026

BUG: construct_type() crashes with ValueError when type_ is a bare dict

#1619

· devteamaegis opened

on May 31, 2026

Safety Report: AI Guardrails Do Not Work — 56-Day Proof (06K Loss)

#1613

· tzb1-ai opened

on May 30, 2026

Batch API: tool_use input wrapped in $PARAMETER_NAME placeholder key (claude-opus-4-7)

#1607

· ffishman opened

on May 28, 2026

This looks behavior-preserving rather than a parser fix. The original condition already only keeps `minItems` when the value is `0` or `1`; `min_items == 1` is false for `None`, so the added tests would pass on the current code too.

#1601

· abobakr200023-ship-it opened

on May 25, 2026

[Bug] API returns 400 'Invalid signature in thinking block' when replaying conversation history — no recovery path

#1598

· craigderrick opened

on May 23, 2026

fix(examples): replace dated model IDs with non-dated aliases

#1596

· Vaibhav-S-Gowda opened

on May 23, 2026

Add HEIC/HEIF image format support to Vision API

#1589

· ricardoagudelo89-ui opened

on May 22, 2026