See it in action
Inspect a small evaluation dataset
The author’s fictional refund-policy tutorial shows five inputs and their expected criteria in Studio.

License
Lossless PNG-to-WebP conversion; original dimensions and decoded pixels preserved. No crop, upscale or independent site run. Fictional tutorial dataset; no real customer refund case or site-run evaluation is asserted.
Portions of this software are licensed as follows:
- All content that resides under any directory named `ee/` within this
repository, including but not limited to:
- `@mastra/core/auth/ee`
- `@mastra/core/agent-builder/ee`
- `@mastra/editor/ee`
is licensed under the license defined in [`ee/LICENSE`](https://github.com/mastra-ai/mastra/blob/main/ee/LICENSE).
- All third-party components incorporated into the Mastra Software are
licensed under the original license provided by the owner of the
applicable component.
- Content outside of the above-mentioned directories or restrictions is
available under the "Apache License 2.0" as defined below.
# Apache License 2.0
Copyright (c) 2025 Kepler Software, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Review results and the scoring pipeline
The tutorial’s baseline screen connects a five-case dataset, agent and correctness scorer. Displayed scores belong to that example.

License
Lossless PNG-to-WebP conversion; original dimensions and decoded pixels preserved. No crop, upscale or independent site run. Author-published tutorial results, not a general benchmark or an independent site performance claim.
Portions of this software are licensed as follows:
- All content that resides under any directory named `ee/` within this
repository, including but not limited to:
- `@mastra/core/auth/ee`
- `@mastra/core/agent-builder/ee`
- `@mastra/editor/ee`
is licensed under the license defined in [`ee/LICENSE`](https://github.com/mastra-ai/mastra/blob/main/ee/LICENSE).
- All third-party components incorporated into the Mastra Software are
licensed under the original license provided by the owner of the
applicable component.
- Content outside of the above-mentioned directories or restrictions is
available under the "Apache License 2.0" as defined below.
# Apache License 2.0
Copyright (c) 2025 Kepler Software, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Compare answers from two experiments
The author’s comparison view places input, answers and judge explanations side by side for one fictional refund-policy case.

License
Lossless PNG-to-WebP conversion; original dimensions and decoded pixels preserved. No crop, upscale or independent site run. Retained source labels and timings describe only the illustrated tutorial case. No model ranking or measured site result is inferred.
Portions of this software are licensed as follows:
- All content that resides under any directory named `ee/` within this
repository, including but not limited to:
- `@mastra/core/auth/ee`
- `@mastra/core/agent-builder/ee`
- `@mastra/editor/ee`
is licensed under the license defined in [`ee/LICENSE`](https://github.com/mastra-ai/mastra/blob/main/ee/LICENSE).
- All third-party components incorporated into the Mastra Software are
licensed under the original license provided by the owner of the
applicable component.
- Content outside of the above-mentioned directories or restrictions is
available under the "Apache License 2.0" as defined below.
# Apache License 2.0
Copyright (c) 2025 Kepler Software, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Product overview
Build, observe, and improve agents that run for days with Mastra, the leading TypeScript agent framework.
What Mastra offers
- 01Define typed agents and tools
- 02Compose workflows and memory
- 03Inspect traces and evaluations
What makes it different
It serves code-based agent development with runtime and observability components. Teams still own application logic, integration testing and deployment choices.
Who should consider it
- Developers building AI-enabled applications
- Teams managing repeatable AI workflows
What to verify
- Try one real task and compare its output with your requirements.
- Check what data the service stores, shares, or uses for training.
- Confirm current pricing, usage limits, and cancellation terms on the official site.
Official link checked on Nov 9, 2026. Feature claims have not been independently tested.




