agenttrail vs Tracely-ai

The two are close in size: 644 stars for agenttrail, 1.2k for Tracely-ai.

They split the axes: agenttrail leads on context depth, Tracely-ai on noise control and model freedom.

Stars and commit dates come from our own daily tracking. The six axes are read off each project's documentation by our review pipeline, so they describe what a project says about itself, not what we measured in its code.

Where they stand today

Provides a local, real-time observability map of coding agents' plans, tool calls, and file edits without any cloud service, account, or telemetry.

Stars
644
Tracked growth
not tracked long enough
Maturity
Last commit
4d ago
Language
HTML
License
MIT
Cost to run
Free, local

Promotes real failing production traces into hermetic, replayable regression cases that run offline in CI and block PRs, instead of relying on hand-authored datasets.

Stars
1.2k
Tracked growth
+18.6%
Maturity
Last commit
5h ago
Language
Python
License
MIT
Cost to run
CI replay $0; live judges use your model API key.
0%+44%14 tracked days
sodiumsun/agenttrailJwuthri/Tracely-ai

Six axes, head to head

Each axis runs 0 to 5. The label under a score is what that project's own docs claim, not a category average.

AxisagenttrailTracely-ai
Context depth
How much of your codebase it sees before it answers: the open diff, the diff plus related files, or the whole repository.
Whole-repo analysis
Per-run only
Noise control
How it keeps output volume down — severity thresholds, deduplication, incremental runs over new commits only.
Minimal signals
Clustering & gating
Customization
How far it bends to your team: custom rules, prompts, style guides, per-path config.
Repo-level config
Rich rule & prompts
Privacy
Whether your code stays on your own infrastructure: fully local, self-hostable, or cloud API only.
Fully local
Self-hostable
Model freedom
Whether you can point it at any provider, or it is wired to one.
Multi-provider
Bring-your-key
Setup ease
What it takes to get a first useful run out of it.
One-command start
One-command demo

Which one to pick

Pick agenttrail if…

Privacy-first — run with one command to get a local, read-only live dashboard of agent plans and file activity bound to 127.0.0.1 with no external telemetry.

  • Context depth: Whole-repo analysis (5/5 against 1/5)
Runs in cli, web-app. Works with anthropic, openai, other-fixed.

Pick Tracely-ai if…

Production-driven tests — pick Tracely when you want failing runs promoted from real traces into deterministic, offline regression cases that gate PRs.

  • Noise control: Clustering & gating (4/5 against 2/5)
  • Model freedom: Bring-your-key (5/5 against 3/5)
Runs in github-action, ci, cli, web-app. Works with byok, openai, anthropic.

What people want from each one

Questions people ask

Is agenttrail better than Tracely-ai?

They split the axes: agenttrail leads on context depth, Tracely-ai on noise control and model freedom. agenttrail is worth picking when privacy-first — run with one command to get a local, read-only live dashboard of agent plans and file activity bound to 127.0.0.1 with no external telemetry.

Which of agenttrail and Tracely-ai keeps my code private?

agenttrail: Fully local (5/5). Tracely-ai: Self-hostable (4/5).

What does each one cost to run?

agenttrail: Free, local. Tracely-ai: CI replay $0; live judges use your model API key..

Full profiles: sodiumsun/agenttrail and Jwuthri/Tracely-ai. Everything else in Observability & tracing.