Agent Bench

Nylas Agent Bench results

The agent could not create a real mailbox without an authenticated provider grant. It generated 13 files and a demo-mode output, but did not complete the requested live workflow.

Reviewed Aug 17, 2026 1 public dataset Not an All Them APIs rerun
D40/100

Verification failed

The agent could not create a real mailbox without an authenticated provider grant. It generated 13 files and a demo-mode output, but did not complete the requested live workflow.

Evaluation
21
Discovery
86
Time
12m 4s
Cost
$0.93
Calls
63
Errors
15

Where the agent spent its time

The source report divides the run into discovery, tool search, installation, coding, execution, and debugging phases where applicable.

01Discovery
11 calls~3m 12s
02Tool search
1 calls~5s
03Install
1 calls~12s
04Code
14 calls~1m 33s
05Run
27 calls~5m 12s
06Debug
9 calls~1m 49s

Integration assets the evaluator found

A strong checklist improves discovery, but it does not guarantee task success. Nylas is the clearest example in this dataset.

Context7llms.txtMCPTyped SDKAgent skillsCLI
Checklist
86
Tokens
1,536,888
Outcome
Verification failed

What this result means

Current CLI and MCP support are strong, but the public live-mailbox task failed because the required provider grant was unavailable.

The source evaluator recorded a failure. Generated code or demo output did not satisfy the live task.

Independent rerun pending

This page summarizes recorded public evidence. We will mark the report when All Them APIs completes its own controlled rerun.

Nylas API profile