
Preeti Dewani contributed to the modelcontextprotocol/registry and open-telemetry/opentelemetry-go repositories, focusing on backend and observability engineering. She delivered features such as server lifecycle status management and unified observability stacks, implementing API endpoints and OpenAPI documentation using Go and YAML. Her work included integrating OpenTelemetry and Prometheus for real-time monitoring, deploying metrics and logging infrastructure with Grafana and VictoriaMetrics, and optimizing hashing performance by replacing FNV with xxhash. Preeti addressed complex multi-reader metric correctness in the OpenTelemetry Go SDK, ensuring data integrity and reliability. Her contributions demonstrated depth in cloud-native, telemetry, and performance optimization practices.
March 2026 monthly summary for the modelcontextprotocol/registry repository: Delivered an API enhancement by adding the include_deleted parameter to API results with corresponding OpenAPI spec and documentation updates. The change is tracked against internal issue #1014 and committed as cb4807a7fbf4ad3c67796aa727309736fe33c2d2. No major bugs were fixed this month. This enhancement improves data visibility and auditability for clients, while remaining non-breaking and aligned with product goals.
March 2026 monthly summary for the modelcontextprotocol/registry repository: Delivered an API enhancement by adding the include_deleted parameter to API results with corresponding OpenAPI spec and documentation updates. The change is tracked against internal issue #1014 and committed as cb4807a7fbf4ad3c67796aa727309736fe33c2d2. No major bugs were fixed this month. This enhancement improves data visibility and auditability for clients, while remaining non-breaking and aligned with product goals.
February 2026 monthly summary for modelcontextprotocol/registry. Delivered comprehensive server lifecycle governance with new status management features, enhanced visibility, and robust testing. Focused on business value by enabling clear lifecycle states (active, deprecated, deleted) with guidance messaging, facilitating secure deprecation and migration pathways for consumers, and improving publisher workflows.
February 2026 monthly summary for modelcontextprotocol/registry. Delivered comprehensive server lifecycle governance with new status management features, enhanced visibility, and robust testing. Focused on business value by enabling clear lifecycle states (active, deprecated, deleted) with guidance messaging, facilitating secure deprecation and migration pathways for consumers, and improving publisher workflows.
2025-11 Monthly Summary: Implemented a hashing-performance optimization in open-telemetry/opentelemetry-go by integrating xxhash to replace the previous FNV hash. This change targets hashing operations across attributes and related workloads, delivering substantial throughput improvements while keeping memory allocations constant. The update was delivered with commit 49292857b784d2cc510261f9abb48d288593243a (Replace fnv with xxhash, #7497). Benchmarks show significant gains for medium-to-large input sizes, with the geometric mean of ops/sec/ns per operation improving by ~53% and allocations remaining unchanged across test sets. Notably, the hashing path for very large strings saw the largest reductions in time per operation (up to ~90% in some large cases) while maintaining zero collisions up to 100 million inputs. The changes apply to the attribute hashing path and related workloads, with validation run on representative hardware (e.g., Apple M2) and across string size spectra.
2025-11 Monthly Summary: Implemented a hashing-performance optimization in open-telemetry/opentelemetry-go by integrating xxhash to replace the previous FNV hash. This change targets hashing operations across attributes and related workloads, delivering substantial throughput improvements while keeping memory allocations constant. The update was delivered with commit 49292857b784d2cc510261f9abb48d288593243a (Replace fnv with xxhash, #7497). Benchmarks show significant gains for medium-to-large input sizes, with the geometric mean of ops/sec/ns per operation improving by ~53% and allocations remaining unchanged across test sets. Notably, the hashing path for very large strings saw the largest reductions in time per operation (up to ~90% in some large cases) while maintaining zero collisions up to 100 million inputs. The changes apply to the attribute hashing path and related workloads, with validation run on representative hardware (e.g., Apple M2) and across string size spectra.
October 2025 — ModelContext Protocol Registry: Implemented OpenTelemetry-based Kubernetes telemetry enhancements to expand failure-mode visibility beyond existing logs, focusing on the default namespace. Enhanced the OpenTelemetry Collector DaemonSet with additional permissions and configurations to collect Kubernetes events and resource metrics, improving detection and diagnosis of pod startup issues and resource pressure. This work strengthens observability, reduces MTTR, and supports capacity planning.
October 2025 — ModelContext Protocol Registry: Implemented OpenTelemetry-based Kubernetes telemetry enhancements to expand failure-mode visibility beyond existing logs, focusing on the default namespace. Enhanced the OpenTelemetry Collector DaemonSet with additional permissions and configurations to collect Kubernetes events and resource metrics, improving detection and diagnosis of pod startup issues and resource pressure. This work strengthens observability, reduces MTTR, and supports capacity planning.
2025-09 Monthly Summary for repository modelcontextprotocol/registry: Delivered a unified observability stack enabling end-to-end visibility for MCP-registry pods, combining metrics, storage, dashboards and alerting with a dedicated logging pipeline. Impact includes faster troubleshooting, proactive alerting, and improved uptime. No major bug fixes were recorded this month. Technologies demonstrated include VictoriaMetrics, VMAgent, Grafana, VictoriaLogs, and OpenTelemetry Collector, with traceability via commits a9ff705d80d37ce4fc4c1831515c4e592ad629d3 and 6ed625f4763b030d1cb97a3d75d41036d063e046.
2025-09 Monthly Summary for repository modelcontextprotocol/registry: Delivered a unified observability stack enabling end-to-end visibility for MCP-registry pods, combining metrics, storage, dashboards and alerting with a dedicated logging pipeline. Impact includes faster troubleshooting, proactive alerting, and improved uptime. No major bug fixes were recorded this month. Technologies demonstrated include VictoriaMetrics, VMAgent, Grafana, VictoriaLogs, and OpenTelemetry Collector, with traceability via commits a9ff705d80d37ce4fc4c1831515c4e592ad629d3 and 6ed625f4763b030d1cb97a3d75d41036d063e046.
August 2025 monthly summary for modelcontextprotocol/registry. Focused on delivering observability improvements through OpenTelemetry metrics instrumentation. Implemented Prometheus client dependencies, initialized metrics, registered with the HTTP server, and added a request middleware to capture latency, request counts, and errors. This work enables real-time monitoring, alerting, and data-driven performance optimization, supporting SLA adherence and capacity planning. Commits: d237fc90f8a56a6fa6e2869421181f83ccdbfc3b.
August 2025 monthly summary for modelcontextprotocol/registry. Focused on delivering observability improvements through OpenTelemetry metrics instrumentation. Implemented Prometheus client dependencies, initialized metrics, registered with the HTTP server, and added a request middleware to capture latency, request counts, and errors. This work enables real-time monitoring, alerting, and data-driven performance optimization, supporting SLA adherence and capacity planning. Commits: d237fc90f8a56a6fa6e2869421181f83ccdbfc3b.
November 2024 monthly summary focused on improving correctness and reliability of metrics in the OpenTelemetry Go SDK when used with multiple readers. Delivered a critical bug fix ensuring metrics are correctly associated with their pipelines and that observable instruments are registered properly, preventing data corruption and improving metric accuracy in multi-reader scenarios. Completed investigation, patch implementation, and validation to support production-grade observability.
November 2024 monthly summary focused on improving correctness and reliability of metrics in the OpenTelemetry Go SDK when used with multiple readers. Delivered a critical bug fix ensuring metrics are correctly associated with their pipelines and that observable instruments are registered properly, preventing data corruption and improving metric accuracy in multi-reader scenarios. Completed investigation, patch implementation, and validation to support production-grade observability.

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