braintrustdata/braintrust-sdk
Apr 2025 – Feb 2026
11 Months active
Languages Used
JavaScriptPythonShellTypeScriptYAMLBashMakefilePytest
Technical Skills
API IntegrationAsync ProgrammingBackend DevelopmentCI/CDCachingData Parsing
Matt Perpick
PROFILE
Matt Perpick
Matt contributed to the braintrustdata/braintrust-sdk repository, delivering features that enhanced observability, reliability, and developer experience across AI and backend systems. He implemented distributed tracing integrations, OpenTelemetry compatibility, and robust logging using Python, TypeScript, and Docker. His work included asynchronous context management, CI/CD automation, and SDK packaging improvements, addressing issues like trace propagation, error handling, and release hygiene. By introducing hook-based tracing for LLM agents and automating containerized development environments, Matt improved debugging, onboarding, and cross-platform interoperability. The depth of his engineering ensured scalable, maintainable code that accelerated feature delivery and reduced operational risk for downstream integrations and users.
Overall Statistics
Feature vs Bugs
79%Features
Repository Contributions
104Total
Bugs
10
Commits
104
Features
38
Lines of code
50,059
Activity Months11
Your Network
53 peopleWork History
February 2026
5 Commits • 3 Features
Feb 1, 2026February 2026 monthly summary for braintrust-sdk: Focused on strengthening observability, reliability, and compatibility to accelerate developer productivity and downstream integration. Delivered key features and stabilizing fixes that improve debugging, error handling, and API reliability across Python and JS SDKs.
5 Commits • 3 Features
Feb 1, 2026February 2026 monthly summary for braintrust-sdk: Focused on strengthening observability, reliability, and compatibility to accelerate developer productivity and downstream integration. Delivered key features and stabilizing fixes that improve debugging, error handling, and API reliability across Python and JS SDKs.
February 2026
January 2026
13 Commits • 4 Features
Jan 1, 2026January 2026 focused on delivering secure access controls, enhanced observability, faster test/CI pipelines, robust bug fixes, and developer tooling for a smoother release cycle. Across braintrust-sdk, work delivered includes: permissions-based access and org-aware navigation for pre-login flows; OpenTelemetry header parsing customization, Temporal tracing integration, and automatic instrumentation of AI/ML libraries; faster, more reliable tests via VCR cassettes and CI sharding; robustness fixes around None scorer handling and HTTP retries to prevent hangs; and a streamlined developer workflow with the new 'mise install' command and a Python version bump for the minor release. These efforts improved security, observability, reliability, and developer productivity, while reducing operational risk and time-to-value for customers.
January 2026
13 Commits • 4 Features
Jan 1, 2026January 2026 focused on delivering secure access controls, enhanced observability, faster test/CI pipelines, robust bug fixes, and developer tooling for a smoother release cycle. Across braintrust-sdk, work delivered includes: permissions-based access and org-aware navigation for pre-login flows; OpenTelemetry header parsing customization, Temporal tracing integration, and automatic instrumentation of AI/ML libraries; faster, more reliable tests via VCR cassettes and CI sharding; robustness fixes around None scorer handling and HTTP retries to prevent hangs; and a streamlined developer workflow with the new 'mise install' command and a Python version bump for the minor release. These efforts improved security, observability, reliability, and developer productivity, while reducing operational risk and time-to-value for customers.
December 2025
5 Commits • 3 Features
Dec 1, 2025December 2025 highlights: Focused on observability, packaging reliability, and AI SDK tooling. Delivered a distributed tracing integration between Temporal workflows and Braintrust to improve end-to-end visibility for workflows and activities. Migrated Python package publishing to trusted publishing via GitHub Actions (pypa/gh-action-pypi-publish), with version bumps and a test release (v0.3.11) to validate the pipeline. Enhanced AI SDK reliability with numeric token handling and ToolLoopAgent for structured outputs, plus improved metadata handling and usage examples. Fixed a token handling bug in the AI SDK (#1174). Overall impact: faster issue resolution, more reliable releases, and stronger developer tooling that supports scalable feature delivery.
5 Commits • 3 Features
Dec 1, 2025December 2025 highlights: Focused on observability, packaging reliability, and AI SDK tooling. Delivered a distributed tracing integration between Temporal workflows and Braintrust to improve end-to-end visibility for workflows and activities. Migrated Python package publishing to trusted publishing via GitHub Actions (pypa/gh-action-pypi-publish), with version bumps and a test release (v0.3.11) to validate the pipeline. Enhanced AI SDK reliability with numeric token handling and ToolLoopAgent for structured outputs, plus improved metadata handling and usage examples. Fixed a token handling bug in the AI SDK (#1174). Overall impact: faster issue resolution, more reliable releases, and stronger developer tooling that supports scalable feature delivery.
December 2025
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Braintrust SDK delivered two consequential updates that improve observability and developer experience. A bug fix ensures span.links are valid in asynchronous code by using a ContextVar to track the current logger, with added tests to verify correctness under concurrency. A new Docker-based SDK Container Management Script provides commands to create, connect to, list, and delete development containers, streamlining local development and onboarding. The combined work enhances runtime reliability for async workflows, speeds up environment setup, and reinforces code quality through targeted tests. Tech: Python async patterns, ContextVar, unit testing, and Docker scripting. Business value: improved fault tolerance in tracing, faster developer onboarding, and reproducible dev environments.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Braintrust SDK delivered two consequential updates that improve observability and developer experience. A bug fix ensures span.links are valid in asynchronous code by using a ContextVar to track the current logger, with added tests to verify correctness under concurrency. A new Docker-based SDK Container Management Script provides commands to create, connect to, list, and delete development containers, streamlining local development and onboarding. The combined work enhances runtime reliability for async workflows, speeds up environment setup, and reinforces code quality through targeted tests. Tech: Python async patterns, ContextVar, unit testing, and Docker scripting. Business value: improved fault tolerance in tracing, faster developer onboarding, and reproducible dev environments.
October 2025
15 Commits • 2 Features
Oct 1, 2025October 2025 (2025-10) – Monthly summary for braintrust-sdk development focused on strengthening observability, cross-service tracing, reliability, and release hygiene. Key work spanned OpenTelemetry integration, cross-language tracing improvements, first-pass DSpy integration, and release/process hardening to accelerate business value while reducing release risk.
15 Commits • 2 Features
Oct 1, 2025October 2025 (2025-10) – Monthly summary for braintrust-sdk development focused on strengthening observability, cross-service tracing, reliability, and release hygiene. Key work spanned OpenTelemetry integration, cross-language tracing improvements, first-pass DSpy integration, and release/process hardening to accelerate business value while reducing release risk.
October 2025
September 2025
1 Commits • 1 Features
Sep 1, 2025Monthly performance summary for 2025-09 focusing on OpenTelemetry interoperability and feature delivery within braintrust-sdk. Primary effort delivered an interoperability feature (SpanComponentsV4) enabling OTel-compatible IDs and laying groundwork for cross-platform observability. No major bug fixes documented for this period; the team prioritized feature delivery and interoperability readiness. The work demonstrates strong alignment with observability requirements and long-term business value through streamlined integration with OpenTelemetry.
September 2025
1 Commits • 1 Features
Sep 1, 2025Monthly performance summary for 2025-09 focusing on OpenTelemetry interoperability and feature delivery within braintrust-sdk. Primary effort delivered an interoperability feature (SpanComponentsV4) enabling OTel-compatible IDs and laying groundwork for cross-platform observability. No major bug fixes documented for this period; the team prioritized feature delivery and interoperability readiness. The work demonstrates strong alignment with observability requirements and long-term business value through streamlined integration with OpenTelemetry.
August 2025
6 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for braintrust-sdk. Focused on reliability, performance, and SDK usability. Delivered improvements across release management, AI SDK integration, data collection for tracing, and runtime performance.
6 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for braintrust-sdk. Focused on reliability, performance, and SDK usability. Delivered improvements across release management, AI SDK integration, data collection for tracing, and runtime performance.
August 2025
July 2025
7 Commits • 3 Features
Jul 1, 2025July 2025 (2025-07) monthly summary for braintrust-sdk: Focused on reliability, observability, and packaging improvements across the SDK. Key outcomes include robust attachment extraction in the logger, a configurable queue size limit policy to manage backpressure between experiments and production logging, enhanced OpenTelemetry tracing with AI SDK v2 integration, and up-to-date dependencies and Python versioning across core components. These efforts deliver measurable business value by reducing data-loss risk, improving data ingestion reliability, and accelerating developer productivity through better tracing and packaging.
July 2025
7 Commits • 3 Features
Jul 1, 2025July 2025 (2025-07) monthly summary for braintrust-sdk: Focused on reliability, observability, and packaging improvements across the SDK. Key outcomes include robust attachment extraction in the logger, a configurable queue size limit policy to manage backpressure between experiments and production logging, enhanced OpenTelemetry tracing with AI SDK v2 integration, and up-to-date dependencies and Python versioning across core components. These efforts deliver measurable business value by reducing data-loss risk, improving data ingestion reliability, and accelerating developer productivity through better tracing and packaging.
June 2025
13 Commits • 7 Features
Jun 1, 2025Month: 2025-06 | Repository: braintrust-sdk (braintrustdata/braintrust-sdk) Key features delivered: - Documentation build improvements: improved reliability of JavaScript docs generation for braintrust-sdk through dependency updates, build/test command refactors, and minor type fixes. Commits: 803f7b6304b6fdc60bf08212fa280e31365d16a9 - CI performance improvements with uv: reduced CI build times by integrating the uv Python package installer into langchain tests for Windows and Ubuntu. Commit: d056f38506127e986b226fb5ff5683b6deeefe37 - Telemetry provider metadata for UI: added provider metadata to telemetry for Anthropic and OpenAI API calls to power UI model-provider display features. Commit: b1678a8e2c14c96405dc17557ca68d059ff68b8a - Non-blocking logging queue: refactored logging queue to be non-blocking by default; introduced a circular-buffer Queue to drop oldest logs when full, improving memory control. Commit: 369ce701b448551b3b5b7156667687c68f7a4259 - Distributed tracing: explicit span context: extend startSpan to accept explicit spanId and parentSpanIds for better trace context propagation; add tests. Commit: 6a7573a61b2e15fd261863178f1f54d96ebdf408 - Development server for testing: added a development server for testing/evaluation with a sample evaluator definition and logger re-initialization fixes for local development. Commit: 200b037c3083bd2e28e4e31f015bc87f9ab7196c Major bugs fixed: - Async generator tracing robustness: enhance traced decorator to correctly handle asynchronous generators and avoid tracing potentially infinite outputs; update tests/utilities for compatibility. Commit: bce86716fa530eedc657bfd7cf18f045116a967d - OpenAI tracing compatibility fix: fix tracing of OpenAI API calls after openai-python 1.92.0 changes; update type checking for async completion resources; update test matrix and project version. Commit: a8c246b8bf081182b08ad2a4ea478b7ba860d006 Overall impact and accomplishments: - Stability and reliability: documentation generation and CI processes are more reliable and faster, reducing manual intervention and wait times. - Observability and tracing: richer, more precise distributed tracing enables faster root-cause analysis and better performance monitoring. - Developer experience: non-blocking logging and a dedicated dev server improve local development flow and debugging efficiency. - UI and business value: telemetry enhancements enable UI features that display model provider information, supporting informed decision-making for customers. - Release readiness: consolidated release tooling and versioning streamline safe, repeatable releases. Technologies and skills demonstrated: - Python packaging/CI optimization, JavaScript docs tooling, distributed tracing concepts (span context, parent IDs), asynchronous programming patterns, non-blocking queues, API tracing for OpenAI, and release engineering. Business value: - Reduced build and test cycle times, improved reliability of documentation, enhanced observability, and faster time-to-value for features and UI capabilities that rely on provider information. Repository: braintrust-sdk (braintrustdata/braintrust-sdk) for 2025-06.
13 Commits • 7 Features
Jun 1, 2025Month: 2025-06 | Repository: braintrust-sdk (braintrustdata/braintrust-sdk) Key features delivered: - Documentation build improvements: improved reliability of JavaScript docs generation for braintrust-sdk through dependency updates, build/test command refactors, and minor type fixes. Commits: 803f7b6304b6fdc60bf08212fa280e31365d16a9 - CI performance improvements with uv: reduced CI build times by integrating the uv Python package installer into langchain tests for Windows and Ubuntu. Commit: d056f38506127e986b226fb5ff5683b6deeefe37 - Telemetry provider metadata for UI: added provider metadata to telemetry for Anthropic and OpenAI API calls to power UI model-provider display features. Commit: b1678a8e2c14c96405dc17557ca68d059ff68b8a - Non-blocking logging queue: refactored logging queue to be non-blocking by default; introduced a circular-buffer Queue to drop oldest logs when full, improving memory control. Commit: 369ce701b448551b3b5b7156667687c68f7a4259 - Distributed tracing: explicit span context: extend startSpan to accept explicit spanId and parentSpanIds for better trace context propagation; add tests. Commit: 6a7573a61b2e15fd261863178f1f54d96ebdf408 - Development server for testing: added a development server for testing/evaluation with a sample evaluator definition and logger re-initialization fixes for local development. Commit: 200b037c3083bd2e28e4e31f015bc87f9ab7196c Major bugs fixed: - Async generator tracing robustness: enhance traced decorator to correctly handle asynchronous generators and avoid tracing potentially infinite outputs; update tests/utilities for compatibility. Commit: bce86716fa530eedc657bfd7cf18f045116a967d - OpenAI tracing compatibility fix: fix tracing of OpenAI API calls after openai-python 1.92.0 changes; update type checking for async completion resources; update test matrix and project version. Commit: a8c246b8bf081182b08ad2a4ea478b7ba860d006 Overall impact and accomplishments: - Stability and reliability: documentation generation and CI processes are more reliable and faster, reducing manual intervention and wait times. - Observability and tracing: richer, more precise distributed tracing enables faster root-cause analysis and better performance monitoring. - Developer experience: non-blocking logging and a dedicated dev server improve local development flow and debugging efficiency. - UI and business value: telemetry enhancements enable UI features that display model provider information, supporting informed decision-making for customers. - Release readiness: consolidated release tooling and versioning streamline safe, repeatable releases. Technologies and skills demonstrated: - Python packaging/CI optimization, JavaScript docs tooling, distributed tracing concepts (span context, parent IDs), asynchronous programming patterns, non-blocking queues, API tracing for OpenAI, and release engineering. Business value: - Reduced build and test cycle times, improved reliability of documentation, enhanced observability, and faster time-to-value for features and UI capabilities that rely on provider information. Repository: braintrust-sdk (braintrustdata/braintrust-sdk) for 2025-06.
June 2025
May 2025
20 Commits • 7 Features
May 1, 2025May 2025 focused on increasing observability, reliability, and release efficiency for the BrainTrust SDK. Delivered significant enhancements to OpenAI/Anthropic integrations, strengthened release automation, and introduced safer, more flexible APIs to support deployments with or without braintrust_core. Expanded test coverage across both synchronous and asynchronous paths, and tightened CI/CD practices to improve build reproducibility and release risk management. These efforts improve developer experience, time-to-market, and resilience of customer integrations.
May 2025
20 Commits • 7 Features
May 1, 2025May 2025 focused on increasing observability, reliability, and release efficiency for the BrainTrust SDK. Delivered significant enhancements to OpenAI/Anthropic integrations, strengthened release automation, and introduced safer, more flexible APIs to support deployments with or without braintrust_core. Expanded test coverage across both synchronous and asynchronous paths, and tightened CI/CD practices to improve build reproducibility and release risk management. These efforts improve developer experience, time-to-market, and resilience of customer integrations.
April 2025
17 Commits • 4 Features
Apr 1, 2025April 2025: Focused on reliability, observability, and release hygiene for the Braintrust SDK. Delivered AI SDK Observability and Tracing across Anthropic and OpenAI integrations, automated release/test workflows, Vitest modernization, and robust prompt cache hashing. Completed version bumps with test cleanup to ensure accurate release notes and smoother future releases. Business impact: improved monitoring, reduced release friction, and more deterministic AI provider interactions.
17 Commits • 4 Features
Apr 1, 2025April 2025: Focused on reliability, observability, and release hygiene for the Braintrust SDK. Delivered AI SDK Observability and Tracing across Anthropic and OpenAI integrations, automated release/test workflows, Vitest modernization, and robust prompt cache hashing. Completed version bumps with test cleanup to ensure accurate release notes and smoother future releases. Business impact: improved monitoring, reduced release friction, and more deterministic AI provider interactions.
April 2025
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Quality Metrics
Correctness93.8%
Maintainability89.0%
Architecture89.8%
Performance87.4%
AI Usage30.6%
Skills & Technologies
Programming Languages
BashJSONJavaScriptMakefileMarkdownPytestPythonShellTypeScriptYAML
Technical Skills
AI DevelopmentAI IntegrationAI SDK IntegrationAI integrationAPI DesignAPI DevelopmentAPI IntegrationAPI developmentAPI integrationAPI testingAsync ProgrammingAsynchronous ProgrammingBackend DevelopmentBenchmarkingBraintrust SDK
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline