Sauce Labs MCP. Manage E2E Test Jobs and Build Status from Chat.
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Sauce Labs MCP Server brings your entire UI/E2E testing setup into your chat agent. Check build status, manage concurrency limits, and diagnose job failures without leaving your terminal.
Use tools like `get_build` to inspect specific test runs or run `stop_job` when a test gets stuck.
What your AI agents can do
Get activity
Retrieves the current activity level of your Sauce Labs account.
Get build
Pulls detailed information for a specific, identified test build.
Get build jobs
Lists all individual jobs that ran within a specified build.
The get_activity tool reports your account's active usage metrics.
Use the get_build tool to pull specific metadata for a defined test build.
The get_build_jobs tool pulls a list of every individual job run within a selected build ID.
Run get_concurrency to see your current parallel session usage against the account limit.
The get_job tool retrieves deep information about a single, active test execution job.
Use list_platforms to list all OS and browser combinations the system supports (e.g., Appium or WebDriver).
The stop_job tool immediately terminates an active, resource-consuming test run.
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Sauce Labs MCP Server: 11 Tools for Test Ops
Use these tools to get detailed insights into your test job history, manage resource limits, verify platform compatibility, and control running tests.
019d7603get activity
Retrieves the current activity level of your Sauce Labs account.
019d7603get build
Pulls detailed information for a specific, identified test build.
019d7603get build jobs
Lists all individual jobs that ran within a specified build.
019d7603get concurrency
Retrieves the current account concurrency usage and limits for parallel sessions.
019d7603get job
Fetches detailed status information for a single, specific test job ID.
019d7603get status
Checks the current availability and operational status of the Sauce Labs platform.
019d7603list builds
Outputs a list of your most recent automation builds.
019d7603list jobs
Provides a quick overview of the latest test jobs executed on Sauce Labs.
019d7603list platforms
Lists all supported OS and browser combinations (e.g., Appium or WebDriver).
019d7603list tunnels
Shows which Sauce Connect tunnels are currently active.
019d7603stop job
Stops a running test job immediately, freeing up the associated concurrent session.
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What you can do with this MCP connector
You're done clicking between your CI/CD dashboard and the Sauce Labs UI just to see if a build failed or why it’s crawling. This server puts your whole end-to-end testing setup right into your chat agent. You can check build status, manage concurrency limits, and figure out why a job choked—all without leaving your terminal.
Your agent uses specific tools like list_builds and get_concurrency to read, analyze, and even control test jobs. Here’s what you can do:
Monitoring Builds and Jobs
To see a quick rundown of the latest tests run, you use list_jobs. If you need to track your full build history, list_builds gives you an output list of all recent automation builds. Once you pick a specific test run, get_build pulls detailed information and metadata for that exact build ID.
You can then drill down further; the get_build_jobs tool lists every single individual job that ran inside that selected build.
For real-time status checks, if you need deep info on one specific test run, you use get_job, which fetches detailed information about a single active test execution job ID. Want to know what the whole Sauce Labs platform is doing? get_status gives you the current operational availability of the system.
Resource and Platform Management
You gotta watch your limits, right? To check how much capacity y'all are using for parallel sessions versus the account limit, run get_concurrency. When it comes to knowing what hardware combos work, list_platforms outputs every supported OS and browser combination—stuff like Appium or WebDriver. If you need to know if your agent can even connect through a specific link, list_tunnels shows all the Sauce Connect tunnels that are currently active.
Control and Activity Checks
If a test gets stuck, you don't wanna wait around for it to time out. You use stop_job to terminate an active, resource-hogging test run immediately, which frees up that concurrent session right away. If you just want to know how much activity your whole account is generating generally, get_activity reports your current usage metrics.
Every single tool here gives your agent the capability to manage resources and diagnose failures directly from conversation. You're checking specific build metadata with get_build; you’re listing every job within a selected run using get_build_jobs; you're getting deep status on one test with get_job; and you can stop that runaway process instantly with stop_job.
It’s the full stack, baby. You pull the resource usage via get_activity or check your limits with get_concurrency, then run through all the available platforms using list_platforms. You're talking about having absolute control over complex UI/E2E testing environments without switching a screen.
How Sauce Labs MCP Works
- 1 Subscribe to the server and provide your Sauce Labs Username, Access Key, and operating Region.
- 2 Your AI client authenticates with the MCP Server, giving it API access to the test execution data.
- 3 You prompt the agent (e.g., 'What's our concurrency usage?') and it executes the required tool (
get_concurrency) to give you a direct answer.
The bottom line is that your AI client runs the necessary API calls directly, presenting the raw data and actionable insights in plain text chat output.
Who Is Sauce Labs MCP For?
QA Engineers who get frustrated clicking through dashboards to find a single failed log. DevOps SREs who need to check live concurrency limits when CI pipelines start queuing unexpectedly. And any developer who needs to verify available browser/OS matrix variables on the fly.
They use get_job and list_builds to quickly locate specific failed test logs or video assets without navigating the UI.
They run get_concurrency and list_tunnels when build failures happen due to resource exhaustion, confirming if capacity is the bottleneck.
They use list_platforms before updating a test suite matrix variable, ensuring they select only supported OS/browser combinations.
What Changes When You Connect
- Diagnose failures faster. Instead of checking the UI, ask your agent to run
get_jobon a failed ID for immediate status updates, error trace metadata, and log links. - Control resources live. If tests start queuing unexpectedly, use
get_concurrencyto check available slots orstop_jobto free up a stuck session instantly. - Audit infrastructure easily. Check active connections using
list_tunnelsor verify supported browser combinations withlist_platforms, eliminating guesswork during setup. - Track history without clicks. Use
list_buildsand thenget_build_jobsto review the entire run history of a suite, seeing exactly which jobs passed or failed over time. - Know your status at a glance. The
get_statustool provides real-time platform health checks, letting you know if the issue is in your code or on Sauce Labs' side.
Real-World Use Cases
The nightly build failed for an unknown reason.
A QA Engineer sees a red flag. Instead of digging through logs, they ask their agent to run list_builds and pinpoint the failing build ID. Then, they use get_build_jobs to narrow it down to just the flaky test job. Finally, running get_job provides the exact failure message and necessary troubleshooting steps.
Tests are queuing up faster than expected.
The DevOps SRE notices slow throughput. They immediately ask their agent for get_concurrency. Seeing 10/25 slots used, they know capacity isn't the issue and instead use list_tunnels to check if too many rogue connections are active.
Adding a new browser matrix variable.
A Developer needs to test on an old OS/browser combo. Instead of checking documentation, they run the list_platforms tool through their agent. The agent confirms compatibility instantly, letting them commit code without delay.
Need to halt a runaway test.
A test job gets stuck in an infinite loop during testing. An engineer uses get_job first to confirm the job ID, then executes stop_job. The agent confirms termination and reports that one concurrent session was successfully freed up.
The Tradeoffs
Assuming resource availability
A developer pushes code assuming tests will run fine, only to have the CI pipeline hang minutes later with a 'Concurrency Limit Exceeded' error.
→
Before committing, ask your agent to run get_concurrency. This checks the account limits first. If slots are tight, you know whether to scale up or pause commits until capacity frees up.
Manually finding a specific job ID
Wasting time navigating through dozens of historical builds in the Sauce Labs dashboard just to find one failing test run from last Tuesday.
→
Start by running list_builds to narrow down the date range, then use get_build_jobs on that ID. This quickly isolates the job you need details for using get_job.
Ignoring platform compatibility
A developer adds a new test matrix variable for an OS/browser combination they haven't used before, causing tests to fail immediately due to lack of support.
→
Run list_platforms first. It shows every supported pairing (Appium or WebDriver) so you only add variables that actually work.
When It Fits, When It Doesn't
Use this server if your pain point is visibility and control over complex, external test pipelines. Specifically, if you need to check resource limits (get_concurrency), track historical runs (list_builds), or manually stop a runaway job (stop_job). Don't use it if your problem is simply writing the initial test code; that requires different tooling. If all you need is a general overview of what tools are available, run list_platforms. But if you need to know if those platforms are currently supported and working right now, check the platform status using get_status first. This server assumes you already have a running, complex test suite; it doesn't build one for you.
Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Sauce Labs. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Available Capabilities
Debugging tests shouldn't mean clicking through five different dashboards.
Today, finding out why a specific job failed means logging into the CI/CD tool, finding the correct build number, opening that job's report, and then sometimes jumping to the Sauce Labs dashboard just to see the video log or error metadata. It's tedious context switching.
With this MCP Server, you ask your agent: 'Show me the failure details for Job ID X.' The agent runs `get_job` and spits out the answer—the status, the logs, everything—in one clean chat message. No clicks required.
Use `list_platforms` to confirm browser support instantly.
Before adding a new test matrix variable (like Chrome 105 on Windows), you currently have to check the official documentation or wait for a senior engineer to verify if that combination is even supported by Appium. This adds friction and delays sprints.
Now, ask your agent to run `list_platforms`. It immediately lists every single OS/browser pairing that works right now. You validate compatibility instantly and move on.
Common Questions About Sauce Labs MCP
How do I check if my test suite has enough capacity using get_concurrency? +
Run the get_concurrency tool. It returns your current usage against your total allowed parallel sessions. This tells you immediately if the bottleneck is resource capacity or something else.
What's the difference between list_builds and list_jobs? +
list_builds gives you a history of entire test suites (the builds). list_jobs gives you a list of recent individual, specific job runs within those suites.
Can I stop a job using the stop_job tool? +
Yes. If a test gets stuck in an infinite loop or hangs, use stop_job with the correct Job ID. The agent terminates it and frees up that concurrent session for other tests.
Do I need to provide credentials for get_status? +
The server requires your Sauce Labs Username, Access Key, and operating Region during setup. Once connected, get_status uses those stored credentials to check platform health.
When I use get_job, what specific metrics can I retrieve about a single test run? +
The tool provides deep details including the job's full execution duration, failure timestamps, and the associated environment configuration. You can pinpoint exactly when and where within the run an error occurred.
How do I check which Sauce Connect tunnels are currently active using list_tunnels? +
It lists all active Sauce Connect tunnels connected to your account, showing their current status. This is useful for troubleshooting connectivity issues or verifying if a machine node has dropped off the network.
What specific browsers and operating systems can I verify using list_platforms? +
This tool lists all supported OS and browser combinations (Appium, WebDriver) available on the platform. Use it to confirm that your test matrix variable is targeting a genuinely supported environment.
After running a large suite, how does get_build_jobs help isolate failing components? +
It breaks down a build into every individual job ID and status. This allows you to quickly filter out the successful jobs and focus only on the specific test cases that failed within that build.
Can my AI agent stop a runaway test job automatically? +
Yes. If you notice a particular build is stuck, you can tell your agent: 'Check the currently running jobs in Sauce Labs and stop any that have been running for more than 40 minutes.' The agent will use list_jobs and conditionally call stop_job on the offending ones to free up your concurrency limit.
How do I securely inspect the exact failure from an automation script? +
If a CI action fails, ask the agent to 'List the latest builds.' Note the failing Build ID, request 'Get details for the failing jobs in this build'. The agent can return the exact error message, browser specs, and direct URL to the video session inside Sauce Labs.
Can the agent tell me why my cloud jobs are in a 'queued' status? +
Yes. This is a common DevOps question. You can prompt: 'Check our concurrency limits and active tunnels.' The agent will use get_concurrency to see if your team maxed out available nodes and list_tunnels to ensure Sauce Connect hasn’t dropped the connection.
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