Agent Traces
Durable provenance and observability records of coding-agent work.
| Criterion |  SpecStory   |  Entire |  Tapes |  Traces |  AgentsView |  Git AI |  LangSmith |  Braintrust |  W&B Weave |  Claude Code History Viewer |  Agent Sessions |  Langfuse |  Arize Phoenix |  AgentOps |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Product identity | ||||||||||||||
| Source model | Split source↗ | Open source↗ | Open source↗ | Hosted service↗ | Open source↗ | Open source↗ | Hosted service↗ | Hosted service↗ | Split source↗ | Open source↗ | Open source↗ | Split source↗ | Source available↗ | Open source↗ |
| Primary workflow object | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ | Agent trace↗ |
| Product status | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ | Active↗ |
| Execution and data boundary | ||||||||||||||
| Execution location | Local process, Host ide process, Vendor cloud↗ | Local process, Vendor cloud↗ | Local daemon, Container, User cloud↗ | Local process, Vendor cloud↗ | Local daemon, User cloud↗ | Local process↗ | Local process, Vendor cloud↗ | Local process, Vendor cloud↗ | Local process, Vendor cloud↗ | Local process, Local daemon, User cloud↗ | Local process↗ | Local daemon, Container, User cloud, Vendor cloud↗ | Local daemon, Container, User cloud, Vendor cloud↗ | Local process, Vendor cloud↗ |
| Capture | ||||||||||||||
| Harness and client captureThe exact coding-agent clients or generic instrumentation paths that the product can ingest. | CLI and IDE capture across Claude, Codex, Cursor, Droid, Antigravity, DeepSeek, and Copilot↗ | Lifecycle hooks for built-in and external coding-agent adapters↗ | Transparent provider proxy, transcript sync, and harness plugins↗ | Local discovery, agent lifecycle hooks, skills, Git hooks, and ingestion API↗ | Direct parsers for local agent session stores plus S3-compatible roots↗ | Git hooks and integrations capture AI-authored code from supported coding agents↗ | SDK, OpenTelemetry, and framework integrations↗ | SDK, OpenTelemetry, and framework integrations↗ | SDK and framework integrations capture model and agent calls↗ | Read-only discovery of 29 documented coding-assistant session stores↗ | Read-only adapters for 15 documented local coding-agent histories↗ | SDK, OpenTelemetry, and framework integrations capture LLM and agent traces↗ | OpenTelemetry and framework integrations capture LLM and agent traces↗ | SDK and integrations record agent runs, LLM calls, tools, and events↗ |
| Multi-harness ingestion | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ |
| Storage and privacy | ||||||||||||||
| Storage boundaryLocal files or database, repository-backed records, hosted storage, or a configurable combination. | Local Markdown by default; optional SpecStory Cloud sync↗ | Git refs or checkpoint branch in the repository↗ | Operator-owned PostgreSQL append-only raw-turn log↗ | Local SQLite discovery cache plus hosted namespaces↗ | Local SQLite by default; optional PostgreSQL, DuckDB, and S3-compatible inputs↗ | Local Git Notes plus a local SQLite event store; optional hosted or self-hosted sharing↗ | LangSmith service or self-hosted enterprise deployment↗ | Braintrust data plane and web application↗ | W&B-hosted project with open-source SDK components↗ | Local source files and local application indexes; optional operator-hosted WebUI↗ | Local source histories and local-only indexes on macOS↗ | Langfuse Cloud or operator self-hosted deployment↗ | Local, self-hosted, or Arize-managed deployment↗ | Instrumented process with AgentOps dashboard service↗ |
| Redaction and privacy controls | Built in↗ | Built in↗ | Unknown | Built in↗ | Limited↗ | Limited↗ | Built in↗ | Unknown | Unknown | Limited↗ | Limited↗ | Built in↗ | Built in↗ | Built in↗ |
| Git provenance | ||||||||||||||
| Commit, branch, and worktree linkage | Limited↗ | Built in↗ | Unknown | Built in↗ | Limited↗ | Built in↗ | Unknown | Unknown | Unknown | Limited↗ | Limited↗ | Limited↗ | Limited↗ | Limited↗ |
| Continuity | ||||||||||||||
| Replay or session reconstructionReopen, rewind, resume, fork, or reconstruct a recorded agent session. | Built in↗ | Built in↗ | Unknown | Limited↗ | Limited↗ | Limited↗ | Limited↗ | Limited↗ | Unknown | Built in↗ | Built in↗ | Limited↗ | Limited↗ | Limited↗ |
| Inspection | ||||||||||||||
| Searchable session timeline | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ |
| Captured record | ||||||||||||||
| Prompt and transcript coverage | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Limited↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ |
| Tool calls and results | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ |
| Artifacts, files, and diffs | Limited↗ | Built in↗ | Unknown | Unknown | Limited↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Limited↗ | Limited↗ | Built in↗ | Built in↗ | Built in↗ |
| Interoperability | ||||||||||||||
| Export or ingestion API | Markdown, stdout/JSON CLI output, and Cloud API↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | CLI, JSON statistics, Git Notes, and an open event format↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Unknown | Built in↗ | Built in↗ | Built in↗ |
| Team workflow | ||||||||||||||
| Collaboration and sharing | Built in↗ | Built in↗ | Unknown | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Limited↗ | Unknown | Built in↗ | Built in↗ | Built in↗ |
| CI and team analytics | Limited↗ | Limited↗ | Limited↗ | Built in↗ | Limited↗ | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Limited↗ | Limited↗ | Built in↗ | Built in↗ | Built in↗ |
| Deployment | ||||||||||||||
| Self-hosting | Limited↗ | Built in↗ | Built in↗ | Limited↗ | Built in↗ | Built in↗ | Limited↗ | Unknown | Unknown | Built in↗ | Built in↗ | Built in↗ | Built in↗ | Limited↗ |
| Open-source project | ||||||||||||||
| Repository metric scopeWhat the joined repository represents for this product column. | Public source tree↗ | Product repository↗ | Product repository↗ | Not tracked | Product repository↗ | Apache-licensed Git AI CLI and open attribution standard; the hosted Teams service is outside repository metrics.↗ | Not tracked | Not tracked | Public source tree↗ | Product repository↗ | Product repository↗ | Product repository↗ | Product repository↗ | Product repository↗ |
| Latest verified release | v2.15.1↗ | v0.11.4↗ | v0.49.1↗ | Not tracked | v0.44.0↗ | v1.7.5↗ | Not tracked | Not tracked | v0.53.7↗ | v1.31.0↗ | v5.6↗ | v4.54.0↗ | arize-phoenix-v20.19.0↗ | 0.4.21↗ |
| Release date | 2026-09-24↗ | 2026-10-06↗ | 2026-10-05↗ | Not tracked | 2026-09-21↗ | 2026-09-09↗ | Not tracked | Not tracked | 2026-08-27↗ | 2026-10-04↗ | 2026-10-08↗ | 2026-10-07↗ | 2026-10-01↗ | 2025-08-29↗ |
| Repository license | Apache-2.0↗ | MIT↗ | Apache-2.0↗ | Not tracked | MIT↗ | Apache-2.0↗ | Not tracked | Not tracked | Apache-2.0↗ | MIT↗ | MIT↗ | Mixed: MIT core with separately licensed enterprise directories↗ | Elastic-2.0↗ | MIT↗ |
| Repository stars | 1.3K↗ | 5.2K↗ | 329↗ | Not tracked | 6.1K↗ | 2.8K↗ | Not tracked | Not tracked | 1.1K↗ | 2.2K↗ | 893↗ | 35.5K↗ | 11.7K↗ | 5.9K↗ |
| Repository forks | 89↗ | 482↗ | 30↗ | Not tracked | 684↗ | 310↗ | Not tracked | Not tracked | 171↗ | 235↗ | 65↗ | 3.9K↗ | 1.2K↗ | 645↗ |
| Open repository issues | 50↗ | 349↗ | 25↗ | Not tracked | 150↗ | 258↗ | Not tracked | Not tracked | 203↗ | 19↗ | 5↗ | 1K↗ | 1.1K↗ | 193↗ |
| Contributor entries | 21↗ | 68↗ | 13↗ | Not tracked | 165↗ | 67↗ | Not tracked | Not tracked | 122↗ | 61↗ | 12↗ | 219↗ | 250↗ | 49↗ |
| Source lines at measured refPinned to a verified stable release, a clearly labelled prerelease, or an exact default-branch commit. | 99.8K↗ | 453.5K↗ | 81.7K↗ | Not tracked | 997.1K↗ | 261.1K↗ | Not tracked | Not tracked | 239.9K↗ | 166K↗ | 235.3K↗ | 961.9K↗ | 943.5K↗ | 107.3K↗ |
| Primary language | Go 93.29%↗ | Go 98.5%↗ | Go 98.53%↗ | Not tracked | Go 87.78%↗ | Rust 94.43%↗ | Not tracked | Not tracked | Python 88.95%↗ | TypeScript 53.73%↗ | Swift 89.51%↗ | TypeScript 96.76%↗ | Python 48.78%↗ | Python 60.02%↗ |
| Repository size | 70.2 MB↗ | 720.0 MB↗ | 46.5 MB↗ | Not tracked | 51.9 MB↗ | 89.0 MB↗ | Not tracked | Not tracked | 1.5 GB↗ | 11.1 MB↗ | 258.6 MB↗ | 235.7 MB↗ | 532.3 MB↗ | 173.5 MB↗ |
| Repository last push | 2026-10-08↗ | 2026-10-08↗ | 2026-10-07↗ | Not tracked | 2026-10-08↗ | 2026-10-07↗ | Not tracked | Not tracked | 2026-10-08↗ | 2026-10-05↗ | 2026-10-08↗ | 2026-10-08↗ | 2026-10-08↗ | 2026-06-25↗ |
| Repository status | Active repository↗ | Active repository↗ | Active repository↗ | Not tracked | Active repository↗ | Active repository↗ | Not tracked | Not tracked | Active repository↗ | Active repository↗ | Active repository↗ | Active repository↗ | Active repository↗ | Active repository↗ |
| Repository data refreshed | 2026-10-08↗ | 2026-10-08↗ | 2026-10-08↗ | Not tracked | 2026-10-08↗ | 2026-10-08↗ | Not tracked | Not tracked | 2026-10-08↗ | 2026-10-08↗ | 2026-10-08↗ | 2026-10-08↗ | 2026-10-08↗ | 2026-10-08↗ |
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