Your agent ran.
Record.
You can't debug what you didn't record. AgentTrace records everything, so nothing is a mystery.
No credit card · 5 min setup · Python & Node
Sound familiar?
The same loop.
Every time.
This is the default.
It doesn't have to be.
The gap
The bug is there.
You just can't see it.
→ The refund ran twice. Nobody knows why.
→ Step 5 = Step 4. Network timeout triggered a retry. $340 duplicate. Found in 30 seconds.
Live demo
Click through an execution trace.
What this means
AgentTrace begins recording. Every event from this point is captured — timestamps, context, state.
Real-world examples
agent-billing-prod-3
retry loop · step 12 of 12
prevented $412 duplicate
customer-service-7f2a
prompt injection at step 4
escalated to human
order-fulfil-9c11
API rate limit at step 6, silent fail
48 orders not processed
gpt-researcher-ab02
hallucinated tool args · run 3
wrong data written to DB
invoice-agent-prod
infinite loop detected at step 8
terminated after 90s
email-drafter-v2
context window overflow
response truncated, unsent
report-agent-12f0
tool timeout · db.query()
fallback branch executed
agent-billing-prod-4
retry loop · step 8 of 8
prevented infinite loop
customer-service-8x5b
prompt injection at step 2
escalated to human
sync-worker-prod
API 500 at step 4
retried successfully
seo-agent-live
hallucinated tool args · run 1
blocked by schema validation
scraper-agent-v1
infinite loop detected at step 3
terminated after 20s
summary-agent-9x
context window overflow
response truncated
analysis-agent-beta
tool timeout · api.fetch()
fallback branch executed
agent-billing-prod-3
retry loop · step 12 of 12
prevented $412 duplicate
customer-service-7f2a
prompt injection at step 4
escalated to human
order-fulfil-9c11
API rate limit at step 6, silent fail
48 orders not processed
gpt-researcher-ab02
hallucinated tool args · run 3
wrong data written to DB
invoice-agent-prod
infinite loop detected at step 8
terminated after 90s
email-drafter-v2
context window overflow
response truncated, unsent
report-agent-12f0
tool timeout · db.query()
fallback branch executed
agent-billing-prod-4
retry loop · step 8 of 8
prevented infinite loop
customer-service-8x5b
prompt injection at step 2
escalated to human
sync-worker-prod
API 500 at step 4
retried successfully
seo-agent-live
hallucinated tool args · run 1
blocked by schema validation
scraper-agent-v1
infinite loop detected at step 3
terminated after 20s
summary-agent-9x
context window overflow
response truncated
analysis-agent-beta
tool timeout · api.fetch()
fallback branch executed
gpt-researcher-ab02
hallucinated tool args · run 3
wrong data written to DB
invoice-agent-prod
infinite loop detected at step 8
terminated after 90s
email-drafter-v2
context window overflow
response truncated, unsent
report-agent-12f0
tool timeout · db.query()
fallback branch executed
agent-billing-prod-4
retry loop · step 8 of 8
prevented infinite loop
customer-service-8x5b
prompt injection at step 2
escalated to human
sync-worker-prod
API 500 at step 4
retried successfully
seo-agent-live
hallucinated tool args · run 1
blocked by schema validation
scraper-agent-v1
infinite loop detected at step 3
terminated after 20s
summary-agent-9x
context window overflow
response truncated
analysis-agent-beta
tool timeout · api.fetch()
fallback branch executed
agent-billing-prod-3
retry loop · step 12 of 12
prevented $412 duplicate
customer-service-7f2a
prompt injection at step 4
escalated to human
order-fulfil-9c11
API rate limit at step 6, silent fail
48 orders not processed
gpt-researcher-ab02
hallucinated tool args · run 3
wrong data written to DB
invoice-agent-prod
infinite loop detected at step 8
terminated after 90s
email-drafter-v2
context window overflow
response truncated, unsent
report-agent-12f0
tool timeout · db.query()
fallback branch executed
agent-billing-prod-4
retry loop · step 8 of 8
prevented infinite loop
customer-service-8x5b
prompt injection at step 2
escalated to human
sync-worker-prod
API 500 at step 4
retried successfully
seo-agent-live
hallucinated tool args · run 1
blocked by schema validation
scraper-agent-v1
infinite loop detected at step 3
terminated after 20s
summary-agent-9x
context window overflow
response truncated
analysis-agent-beta
tool timeout · api.fetch()
fallback branch executed
Capabilities
Three primitives.
Infinite insight.
Every prompt, tool call, and state change. Zero instrumentation noise. < 5ms overhead.
@trace
async def my_agent(task):
return await run(task)Deterministic re-execution on any machine. Same inputs. Same decisions. Same bug.
agenttrace replay session-8821
Fork at any decision point. Test alternatives. Find regressions before users do.
agenttrace fork session-8821 --from step-5
Stop guessing.
Start knowing.
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AgentTrace · Built for AI engineering teams