Skip to content

fix: Capture anthropic server tool use inputs for streaming APIs#1776

Merged
Luca Forstner (lforst) merged 14 commits intomainfrom
lforst/anthropic-server-tools
Apr 13, 2026
Merged

fix: Capture anthropic server tool use inputs for streaming APIs#1776
Luca Forstner (lforst) merged 14 commits intomainfrom
lforst/anthropic-server-tools

Conversation

@lforst
Copy link
Copy Markdown
Member

Fixes #1660

Comment on lines +315 to +329
if (contentBlock.type === "tool_use") {
contentBlocks[index] = {
type: "tool_use",
id: contentBlock.id,
name: contentBlock.name,
input: parsedInput,
};
} else {
contentBlocks[index] = {
type: "server_tool_use",
id: contentBlock.id,
name: contentBlock.name,
input: parsedInput,
};
}
Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

isToolUseLikeContentBlock narrows, we can just do

contentBlocks[index] = {
  type: contentBlock.type,
  id: contentBlock.id,
  name: contentBlock.name,
  input: parsedInput,
};

}) satisfies Json;
});

if (options?.dropEmptyOutputTextMessages) {
Copy link
Copy Markdown
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

why this change, related to a flake?

Copy link
Copy Markdown
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

it's just about normalization across versions

Copy link
Copy Markdown
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

adding a comment

…er-tools

# Conflicts:
#	e2e/scenarios/openai-instrumentation/assertions.ts
…er-tools

# Conflicts:
#	e2e/scenarios/anthropic-instrumentation/assertions.ts
#	e2e/scenarios/anthropic-instrumentation/scenario.anthropic-v0273.mjs
#	e2e/scenarios/anthropic-instrumentation/scenario.anthropic-v0273.ts
#	e2e/scenarios/anthropic-instrumentation/scenario.anthropic-v0390.mjs
#	e2e/scenarios/anthropic-instrumentation/scenario.anthropic-v0390.ts
#	e2e/scenarios/anthropic-instrumentation/scenario.impl.mjs
#	e2e/scenarios/anthropic-instrumentation/scenario.test.ts
@lforst Luca Forstner (lforst) merged commit 9ad2d5c into main Apr 13, 2026
49 checks passed
@lforst Luca Forstner (lforst) deleted the lforst/anthropic-server-tools branch April 13, 2026 12:34
@github-actions github-actions bot mentioned this pull request Apr 15, 2026
Luca Forstner (lforst) added a commit that referenced this pull request Apr 16, 2026
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and publish to npm
yourself or [setup this action to publish
automatically](https://github.com/changesets/action#with-publishing). If
you're not ready to do a release yet, that's fine, whenever you add more
changesets to main, this PR will be updated.


# Releases
## braintrust@3.9.0

### Minor Changes

-
[#1824](#1824)
[`c980e07`](c980e07)
Thanks [@lforst](https://github.com/lforst)! - feat: Add reranking
instrumentation for AI SDK and Openrouter SDK

-
[#1738](#1738)
[`25d25d5`](25d25d5)
Thanks [@AbhiPrasad](https://github.com/AbhiPrasad)! - - feat: Add
instrumentation for @huggingface/inference
([#1807](#1807))
- feat: Add cohere-ai instrumentation
([#1781](#1781))
- fix: Capture anthropic server tool use inputs for streaming APIs
([#1776](#1776))
- feat: Capture grounding metadata for Google GenAI
([#1773](#1773))
- fix(claude-agent-sdk): Don't drop tool spans for spawning subagents
([#1779](#1779))
- feat: Track server tool use metrics for anthropic SDK
([#1772](#1772))
- fix(openai): Collect logprob and refulsals output for streaming APIs
([#1774](#1774))
- perf: Remove zod from deepCopyEvent
([#1796](#1796))
- fix(test): Double timeout for slow OpenAI API tests
([#1794](#1794))
- feat(claude-agent-sdk): Improve task lifecycle and lifecycle details
([#1777](#1777))
- ci(deps): bump actions/github-script from 8.0.0 to 9.0.0
([#1783](#1783))
- ci(deps): bump docker/setup-buildx-action from 3.12.0 to 4.0.0
([#1782](#1782))
- chore: Don't use environment (ie. github deployments) for canary tests
([#1775](#1775))
- chore: Make dependabot less annoying
([#1778](#1778))
- fix(auto-instrumentation): Upgrade @apm-js-collab/code-transformer to
v0.12.0
([#1708](#1708))
- fix(auto-instrumentation): Use sync channel for AI SDK CJS
streamText/streamObject in v4+
([#1768](#1768))
- fix: Give AI SDK top-level api spans type function
([#1769](#1769))

-
[#1814](#1814)
[`d9b9923`](d9b9923)
Thanks [@lforst](https://github.com/lforst)! - - feat: Add per-input
trialCount support to Eval()

-
[#1821](#1821)
[`1b5de11`](1b5de11)
Thanks [@lforst](https://github.com/lforst)! - feat: Instrument Google
GenAI embedContent for text

### Patch Changes

-
[#1825](#1825)
[`f389036`](f389036)
Thanks [@lforst](https://github.com/lforst)! - fix(ai-sdk): Restore
prompt cache metrics

-
[#1813](#1813)
[`2434a0e`](2434a0e)
Thanks [@lforst](https://github.com/lforst)! - fix(openai-agents): End
child spans on trace end

-
[#1836](#1836)
[`5581357`](5581357)
Thanks [@stretpjc](https://github.com/stretpjc)! - feat: Add
x-bt-use-gateway header to allowed CORS headers

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Luca Forstner <luca.forstner@gmail.com>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

Anthropic server-side tool content blocks (server_tool_use, web_search_tool_result) dropped in streaming instrumentation

2 participants