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evalseed

LangSmith

Tracing and evals for LLM apps. Observe and evaluate slices that feed Score later.

MCP not recordedAPI declaredCost freemiumLicence proprietary

Interface

http

HTTP API

Plan with LangSmithOpen homepageRead docs

[ Observed sample ]

Frequency in Leyline's observed sample

The count is distinct observed stacks. It is not a Score input.

This component is not in Leyline's observed sample.

Record cmp_langsmith

Open ranks

[ Score explain ]

Why the Score is 15

How Score works

Score v2 uses only observed signals. The displayed contribution is weight × value × 100. Missing factors are insufficient evidence.

Score factor

GitHub health

18% weight. A licence is declared. Documentation is available.

Value 0.30 · 5.4 points

18% weight × 0.30 value

5.4 points

A licence is declared. Documentation is available.

Score factor

Agent use

16% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Human notes

14% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Composability

16% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Score factor

Checklist

10% weight. No MCP surface is declared. An API is declared. Cost is freemium. 2 of 3 checklist fields are complete.

Value 0.67 · 6.7 points

10% weight × 0.67 value

6.7 points

No MCP surface is declared. An API is declared. Cost is freemium. 2 of 3 checklist fields are complete.

Score factor

Evidence quality

14% weight. 1 sources cover 1 evidence types. The latest dated evidence is 2026-09-12. Freshness is omitted unless observed as a signal.

Value 0.18 · 2.5 points

14% weight × 0.18 value

2.5 points

1 sources cover 1 evidence types. The latest dated evidence is 2026-09-12. Freshness is omitted unless observed as a signal.

Score factor

Benchmarks

12% weight. insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

insufficient evidence

Total14.60 → 15 after rounding

Agent use: insufficient evidence

Human notes: insufficient evidence

Composability: insufficient evidence

Benchmarks: insufficient evidence

[ Claims ]

Publisher-asserted record

Claims are what the publisher declares. Score uses observed signals, not these assertions, except for checklist fields derived from interfaces. MCP, API, cost, and license claims are marked verified, unverified, or contradicted from intake evidence.

Kind
eval
Interfaces

Interface

http

HTTP API

Functions

Function

Observe

watch a system

Observe Browse Observe

Function

Evaluate

score quality against a bench

Evaluate Browse Evaluate

Function

Monitor

alert on drift

Monitor Browse Monitor
Tags
None recorded

[ Capability slices ]

Compose the useful parts.

observe

Observe

Tracing and evals for LLM apps. Observe and evaluate slices that feed Score later.

freemiumCompose with this
monitor

Monitor

Tracing and evals for LLM apps. Observe and evaluate slices that feed Score later.

freemiumCompose with this

API for traces and datasets. Ties to LangChain can over-box the slice; the eval plane is the useful part.

[ Relations ]

Derived alternatives and shared slots

  • Fills the same slot as
    Toloka Shared functions evaluate, observe. Can fill the same function slot.

[ Signals ]

Observed evidence and source claims

Signals carry source, method, and observedAt. Source review dates and evidence basis are shown separately. Unobserved metrics stay insufficient evidence.

  • docs
    LangSmith docs

    Evidence basis unknown · Check date unknown · Source date 2026-09-12

No social source is stored.

Suggest a correction

Propose a change with a public source. Corrections wait for review before the card changes.

[ Notes ]

No notes are stored.