Trace icons

The 33 trace icons, described

Agent logagent-log

An agent log — everything the agent did, recorded in order as a trace you can read back.

Agent traceagent-trace

The agent ring with a trail of points — the steps a run took, in order.

Baggagebaggage

A span bar carrying a small case — key-values that ride along with every hop of a trace.

Citation linkcitation-link

A citation link — a claim joined to the source it rests on, so it can be checked.

Cold start tracecold-start-trace

A span bar with a tick and a gap before the work — the time a cold start ate.

Context propagationcontext-propagation

A span bar with an arrow running through it — trace context handed on to the next service.

Correlation IDcorrelation-id

A span bar with an equals sign — the one id that says two records belong to the same request.

ECGecg

The trace on the paper.

Eval traceeval-trace

A receipt with a check on it — the log of a run, with its verdict.

Exemplarexemplar

A span bar with a pin in it — one real trace picked to stand for a metric's bucket.

Head samplinghead-sampling

A span bar with a funnel at its head — the keep-or-drop decision made before the trace starts.

Instrument codeinstrument-code

A bracket pair with a span bar laid inside — a span put into the code by hand.

Lineagelineage

Lineage — where this data came from, and what was derived from it.

Column lineagelineage-column

Column lineage — which column fed which, through every model between.

MCP loggingmcp-logging

MCP logging — what a server reported as it ran, its diagnostics and records.

Parent spanparent-span

A span bar with a wide bar over an indented one — the span this span was started from.

Reasoning tracereasoning-trace

Lines of thought stepping down and to the right — the visible trace of a model's reasoning.

Request IDrequest-id-api

A pin between brackets — the id that marks one request through every log it touches.

Request timelinerequest-timeline

A span bar with three ticks — the moments of one request in order.

Root spanroot-span

A span bar with a wide bar and a bracket of children under it — the span with no parent.

Source mapsource-map

A source map — where a compiled line really came from in the original source.

Span attributespan-attribute

A span bar with a short list — the key-values attached to a span.

Span eventspan-event

A span bar with one point marked on it — something that happened at an instant inside the span.

Span IDspan-id

A span bar with a hash in it — the id of this one span.

Span linkspan-link

A span bar with two points joined — a span that refers to another trace's span.

Span statusspan-status

A span bar with a check — whether the span ended ok or in error.

Spanspan-tool

A span — how long each piece of a request actually took, one bar in a trace waterfall.

Spanspan-trace

A span — one timed piece of work inside a distributed trace across services.

Tail samplingtail-sampling

A span bar with a funnel at its tail — the keep-or-drop decision made once the trace is complete.

Trace contexttrace-context

A span bar holding angle brackets — the headers that carry a trace across a request.

Trace IDtrace-id

A span bar with a tag — the id that names the whole trace.

Trace samplingtrace-sampling

A span bar with a funnel — only some traces kept.

Trace waterfalltrace-waterfall

A span bar with three staggered bars inside — the spans of one trace laid out in time.

In code, each is one import — import { AgentLog } from "@iconmind/react/icons/agent-log" — and the same name in Vue, Svelte, Solid, Preact, React Native, Astro, Blade and Flutter.

Tags these icons also carry