feat(anthropic): add anthropic beta client support by PROFeNoM · Pull Request #7010 · DataDog/dd-trace-js

PROFeNoM · 2025-11-28T09:33:28Z

https://datadoghq.atlassian.net/browse/MLOB-4728

What does this PR do?

Implement beta message handling for Anthropic SDK and add corresponding test cases

Added a new hook for the beta version of the Anthropic SDK to support message creation.
Introduced test cases for the beta messages.create and messages.stream methods, ensuring proper span creation and handling of streaming responses.
Created two new YAML test cassettes to validate interactions with the beta API.

Motivation

Plugin Checklist

Additional Notes

…ng test cases - Added a new hook for the beta version of the Anthropic SDK to support message creation. - Introduced test cases for the beta messages.create and messages.stream methods, ensuring proper span creation and handling of streaming responses. - Created two new YAML test cassettes to validate interactions with the beta API.

github-actions · 2025-11-28T09:33:48Z

Overall package size

Self size: 13.46 MB
Deduped: 113.66 MB
No deduping: 128.68 MB

Dependency sizes

| name | version | self size | total size | |------|---------|-----------|------------| | @datadog/libdatadog | 0.7.0 | 35.02 MB | 35.02 MB | | @datadog/native-appsec | 10.3.0 | 20.73 MB | 20.74 MB | | @datadog/pprof | 5.12.0 | 11.19 MB | 11.57 MB | | @datadog/native-iast-taint-tracking | 4.1.0 | 9.01 MB | 9.02 MB | | @opentelemetry/resources | 1.30.1 | 557.67 kB | 7.71 MB | | @opentelemetry/core | 1.30.1 | 908.66 kB | 7.16 MB | | protobufjs | 7.5.4 | 2.95 MB | 5.83 MB | | @datadog/wasm-js-rewriter | 5.0.1 | 2.82 MB | 3.53 MB | | @datadog/native-metrics | 3.1.1 | 1.02 MB | 1.43 MB | | @opentelemetry/api-logs | 0.208.0 | 199.48 kB | 1.42 MB | | @opentelemetry/api | 1.9.0 | 1.22 MB | 1.22 MB | | jsonpath-plus | 10.3.0 | 617.18 kB | 1.08 MB | | import-in-the-middle | 1.15.0 | 127.66 kB | 856.24 kB | | lru-cache | 10.4.3 | 804.3 kB | 804.3 kB | | @datadog/openfeature-node-server | 0.2.0 | 118.51 kB | 437.19 kB | | opentracing | 0.14.7 | 194.81 kB | 194.81 kB | | source-map | 0.7.6 | 185.63 kB | 185.63 kB | | pprof-format | 2.2.1 | 163.06 kB | 163.06 kB | | @datadog/sketches-js | 2.1.1 | 109.9 kB | 109.9 kB | | @isaacs/ttlcache | 2.1.3 | 90.79 kB | 90.79 kB | | lodash.sortby | 4.7.0 | 75.76 kB | 75.76 kB | | ignore | 7.0.5 | 63.38 kB | 63.38 kB | | istanbul-lib-coverage | 3.2.2 | 34.37 kB | 34.37 kB | | rfdc | 1.4.1 | 27.15 kB | 27.15 kB | | dc-polyfill | 0.1.10 | 26.73 kB | 26.73 kB | | tlhunter-sorted-set | 0.1.0 | 24.94 kB | 24.94 kB | | shell-quote | 1.8.3 | 23.74 kB | 23.74 kB | | limiter | 1.1.5 | 23.17 kB | 23.17 kB | | retry | 0.13.1 | 18.85 kB | 18.85 kB | | semifies | 1.0.0 | 15.84 kB | 15.84 kB | | jest-docblock | 29.7.0 | 8.99 kB | 12.76 kB | | crypto-randomuuid | 1.0.0 | 11.18 kB | 11.18 kB | | ttl-set | 1.0.0 | 4.61 kB | 9.69 kB | | mutexify | 1.4.0 | 5.71 kB | 8.74 kB | | path-to-regexp | 0.1.12 | 6.6 kB | 6.6 kB | | module-details-from-path | 1.0.4 | 3.96 kB | 3.96 kB | | escape-string-regexp | 5.0.0 | 3.66 kB | 3.66 kB |

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

codecov · 2025-11-28T09:37:55Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.96%. Comparing base (25fa1e4) to head (5134e81).
⚠️ Report is 27 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7010      +/-   ##
==========================================
+ Coverage   84.94%   84.96%   +0.02%     
==========================================
  Files         514      514              
  Lines       21754    21789      +35     
==========================================
+ Hits        18478    18513      +35     
  Misses       3276     3276

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pr-commenter · 2025-11-28T09:42:39Z

Benchmarks

Benchmark execution time: 2025-12-05 10:09:55

Comparing candidate commit 5134e81 in PR branch alex/feat/anthropic-beta-client-support with baseline commit 25fa1e4 in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 293 metrics, 27 unstable metrics.

sabrenner

lgtm just a couple thoughts for testing! glad it was easy enough to do with another patching hook 😄

sabrenner · 2025-12-04T19:05:06Z

      client = new Anthropic({ baseURL: 'http://127.0.0.1:9126/vcr/anthropic' })
    })

+    const isBetaSupported = semver.gte(semver.coerce(resolvedVersion), '0.33.0')


let's use semifies i think the rest of the guild is trying to move away from semver if possible since semifies is a smaller dev dep and does most of what we want

Suggested change

const isBetaSupported = semver.gte(semver.coerce(resolvedVersion), '0.33.0')

const isBetaSupported = semifies(realVersion, '>=0.33.0')

with requiring semifies at the top

const semifies = require('semifies')

but lmk if that doesn't work!

sabrenner · 2025-12-04T19:06:17Z

+
+    describe('beta.messages.create', () => {
+      before(function () {
+        if (!isBetaSupported || !client.beta?.messages) this.skip()


just to double check for myself - i would think that just the isBetaSupported is enough, if there's also !client.beta.messages for some of those versions, should we refine our version patching/support?

sabrenner

🚢

* Implement beta message handling for Anthropic SDK and add corresponding test cases - Added a new hook for the beta version of the Anthropic SDK to support message creation. - Introduced test cases for the beta messages.create and messages.stream methods, ensuring proper span creation and handling of streaming responses. - Created two new YAML test cassettes to validate interactions with the beta API. * code review

PROFeNoM added the semver-minor label Nov 28, 2025

PROFeNoM marked this pull request as ready for review November 28, 2025 10:03

PROFeNoM requested a review from a team as a code owner November 28, 2025 10:03

sabrenner self-requested a review December 4, 2025 19:02

sabrenner previously approved these changes Dec 4, 2025

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code review

5134e81

PROFeNoM dismissed sabrenner’s stale review via 5134e81 December 5, 2025 09:49

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sabrenner approved these changes Dec 5, 2025

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PROFeNoM merged commit 930155a into master Dec 5, 2025
786 checks passed

PROFeNoM deleted the alex/feat/anthropic-beta-client-support branch December 5, 2025 15:45

dd-octo-sts Bot mentioned this pull request Dec 6, 2025

v5.81.0 proposal #6964

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feat(anthropic): add anthropic beta client support#7010

feat(anthropic): add anthropic beta client support#7010
PROFeNoM merged 2 commits intomasterfrom
alex/feat/anthropic-beta-client-support

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	const isBetaSupported = semver.gte(semver.coerce(resolvedVersion), '0.33.0')
	const isBetaSupported = semifies(realVersion, '>=0.33.0')

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PROFeNoM commented Nov 28, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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What does this PR do?

Motivation

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Additional Notes

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PROFeNoM commented Nov 28, 2025 •

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