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fix(server-utils): Use the client's provider name for Anthropic platform clients - #26119

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@sentry-junior sentry-junior Bot commented Nov 4, 2026 •

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Why: AnthropicBedrock (@anthropic-ai/bedrock-sdk) extends BaseAnthropic and builds its messages from @anthropic-ai/sdk's own Messages class. Our orchestrion hooks on that file already trace it, with prompts, responses, and usage, and with no duplicate native OTel span. I checked this against the real @anthropic-ai/bedrock-sdk@1.1.1. The one gap was that the spans said gen_ai.provider.name: anthropic. The SDK stores the platform on the client as _genAIProviderName (aws.bedrock on Bedrock). This reads that value from the resource's client and falls back to anthropic.

How to review: The change is in getProviderName and its two call sites. The integration scenario subclasses Anthropic and sets _genAIProviderName the same way AnthropicBedrock does, so no new dev dependency is needed.

Unsure about: _genAIProviderName is marked @internal in the SDK. bedrock-sdk sets it from 0.35.0 on; 0.34.4 and earlier keep reporting anthropic. Only the Bedrock clients (AnthropicBedrock, AnthropicBedrockMantle → aws.bedrock) and Vertex (gcp.vertex_ai) set it. AnthropicFoundry and AnthropicAws don't, so they still report anthropic.

Closes #19154

via @sergical.

--

View Session [Sentry]

…orm clients

`AnthropicBedrock` and the SDK's other platform clients reuse the
`@anthropic-ai/sdk` `Messages` resource, so their calls already get
gen_ai spans, but the spans said `gen_ai.provider.name: anthropic`. The
SDK stores the platform name on the client as `_genAIProviderName`
(`aws.bedrock` for Bedrock), so read it from the resource's client.

Co-Authored-By: David Cramer <23610+dcramer@users.noreply.github.com>
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size-limit report 📦

Compared: 379cd82 (PR test merge using develop at 88a5e3b)

Against: 88a5e3b (develop) · base run #65049

✅ Baseline matches: this diff contains only this PR's changes.

Path Size % Change Change
@sentry/browser 30.4 kB - -
@sentry/browser - with treeshaking flags 28.54 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 28.43 kB - -
@sentry/browser (incl. Tracing) 52.73 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.73 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.7 kB - -
@sentry/browser (incl. Tracing, Replay) 93.03 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 81.63 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 97.78 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 110.77 kB - -
@sentry/browser (incl. Feedback) 47.98 kB - -
@sentry/browser (incl. sendFeedback) 35.5 kB - -
@sentry/browser (incl. FeedbackAsync) 40.61 kB - -
@sentry/browser (incl. Metrics) 31.44 kB - -
@sentry/browser (incl. Logs) 31.73 kB - -
@sentry/browser (incl. Metrics & Logs) 32.45 kB - -
@sentry/react 32.29 kB - -
@sentry/react (incl. Tracing) 55.1 kB - -
@sentry/vue 38.67 kB - -
@sentry/vue (incl. Tracing) 55.75 kB - -
@sentry/svelte 30.43 kB - -
@sentry/remix (Remix 3 client bundle) 57.82 kB - -
CDN Bundle 32.19 kB - -
CDN Bundle (incl. Tracing) 53.26 kB - -
CDN Bundle (incl. Logs, Metrics) 34.47 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 55.2 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 75.88 kB - -
CDN Bundle (incl. Tracing, Replay) 91.47 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 93.4 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 97.58 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 99.58 kB - -
CDN Bundle - uncompressed 94.67 kB - -
CDN Bundle (incl. Tracing) - uncompressed 157.67 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 101.14 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 163.41 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 232.71 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 279.36 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 285.08 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 293.06 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 298.77 kB - -
@sentry/nextjs (client) 58.05 kB - -
@sentry/sveltekit (client) 53.24 kB - -
@sentry/core/server 44.25 kB - -
@sentry/core/browser 13.93 kB - -
@sentry/node 156.01 kB +0.05% +64 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 82.28 kB - -
@sentry/node - without tracing 96.91 kB +0.02% +17 B 🔺
@sentry/node - without channel injection 136.33 kB +0.04% +54 B 🔺
@sentry/aws-serverless 105.12 kB +0.02% +21 B 🔺
@sentry/cloudflare (withSentry) - minified 200.67 kB - -
@sentry/cloudflare (withSentry) 499.05 kB - -
@sentry/nextjs/cloudflare (withSentry) - minified 222.65 kB - -

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add instrumentation for AnthropicBedrock

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