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This release adds 2 notable features for engineering teams evaluating rollout.

Published 7d MCP Developer Tools
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

buildkite mcp-server

Summary

AI summary

Add step_key and group_key filters to list_jobs and lightweight annotation summaries in get_build.

Changes in this release

Feature Medium

Adds step_key and group_key filters to list_jobs API

Adds step_key and group_key filters to list_jobs API

Source: llm_adapter@2026-07-20

Confidence: medium

Feature Medium

Returns compact job summaries by default from list_jobs API

Returns compact job summaries by default from list_jobs API

Source: llm_adapter@2026-07-20

Confidence: medium

Feature Medium

Adds lightweight annotation summaries to get_build API response

Adds lightweight annotation summaries to get_build API response

Source: llm_adapter@2026-07-20

Confidence: medium

Feature Medium

Limits get_build annotations to 100 with truncation flag

Limits get_build annotations to 100 with truncation flag

Source: llm_adapter@2026-07-20

Confidence: medium

Bugfix Medium

Reduces list_jobs response payload size

Reduces list_jobs response payload size

Source: llm_adapter@2026-07-20

Confidence: medium

Full changelog

What's Changed

  • Add job step and group key filters by @mitchbne in https://github.com/buildkite/buildkite-mcp-server/pull/318
  • fix: reduce list jobs response payload by @wolfeidau in https://github.com/buildkite/buildkite-mcp-server/pull/319
  • Allow for annotation summary on get_build by @mcncl in https://github.com/buildkite/buildkite-mcp-server/pull/315

Tool Changes

Changes to list_jobs:

  • Returns compact, actionable job summaries by default, reducing token usage while retaining job IDs and failure diagnostics. Use detail_level: "detailed" for execution metadata or detail_level: "full" for the previous full response.
  • Adds step_key and group_key filters, making it possible to fetch all parallel jobs for a step or all jobs in a group.
  • Includes soft-failure, signal, step, and retry context in summaries when available.

Changes to get_build:

  • Includes lightweight annotation summaries with each annotation's ID, context, style, scope, associated job, and priority, while omitting potentially large annotation bodies.
  • Returns up to 100 annotation summaries and sets annotations_truncated when more are available. Use list_annotations to retrieve full annotation bodies or continue exploring annotations.

Full Changelog: https://github.com/buildkite/buildkite-mcp-server/compare/v1.10.0...v1.11.0

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About buildkite/buildkite-mcp-server

Official MCP server for Buildkite. Create new pipelines, diagnose and fix failures, trigger builds, monitor job queues, and more.

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Related context

Earlier breaking changes

  • v1.4.0 Added required fields `org_slug`, `pipeline_slug`, `build_number`, `job_id`, `artifact_id` to `get_artifact` input schema.
  • v1.4.0 Removed `url` argument from `get_artifact` input schema.

Beta — feedback welcome: [email protected]