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Market around trail

A Python SDK for tracing AI agent activity as signed OpenTelemetry spans, including LLM calls, tool invocations, MCP calls, and skill executions. Exports through OTLP to existing observability backends.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
trail · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
trail doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
42nd pctile
48 strong substitutes
Price momentum · 30d
Flat
MCP servers · Pro median
$54.5/mo
2 priced · $52.25–$56.75 mid 50%
APIs · Pro median
$45/mo
2 priced · $42.5–$47.5 mid 50%
Platforms · Pro median
$94.5/mo
6 priced · $51.75–$99 mid 50%
Other · Pro median
$19/mo
1 priced · $19–$19 mid 50%
Price spectrum · Pro plans · 11 of 16 providers priced · log scale · $19 → $199/mo
MCP servers APIs Platforms Other◻ shaded = middle 50% · line = median (all types)trail has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches trail's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

OOther6Ranked by relevance
trailthis listing
● OTHER · relevance 100%
no public price
agentevals_via_github
● OTHER · relevance 72%
no public price
agentell
● OTHER · relevance 71%
no Pro plan
entry $250/mo
kalytera
● OTHER · relevance 71%
no Pro plan
entry $49/mo
agentpulse
● OTHER · relevance 70%
no public price
clawmetry
● OTHER · relevance 70%
$19/mo Pro
AAPIs2Ranked by relevance
AgentOps
● API · relevance 78%
$40/mo Pro
-11% vs Pro median
Agent Observability
● API · relevance 75%
$50/mo Pro
+11% vs Pro median
PPlatforms10Ranked by relevance
telemetry
● PLATFORM · relevance 77%
$25/mo Pro
-74% vs Pro median
Traccia
● PLATFORM · relevance 74%
$99/mo Pro
+5% vs Pro median
retrace
● PLATFORM · relevance 73%
$99/mo Pro
+5% vs Pro median
agnys
● PLATFORM · relevance 73%
no Pro plan
entry $49/mo
kayba
● PLATFORM · relevance 71%
no public price
langsmith
● PLATFORM · relevance 71%
$39/mo Pro
-59% vs Pro median
agentcat
● PLATFORM · relevance 70%
$90/mo Pro
-5% vs Pro median
kolonie_platform
● PLATFORM · relevance 70%
no public price
litefuse
● PLATFORM · relevance 69%
$199/mo Pro
+111% vs Pro median
OpenRigor
● PLATFORM · relevance 68%
no public price
MMCP servers15Ranked by relevance
otel_instrumentation_mcp
● MCP · relevance 73%
no public price
appsignal_mcp
● MCP · relevance 71%
no public price
UseAgents
● MCP · relevance 70%
no public price
Agent Observability
● MCP · relevance 70%
$50/mo Pro
-8% vs Pro median
checklist
● MCP · relevance 69%
no public price
Canvas Agent
● MCP · relevance 69%
no public price
lodd_analytics
● MCP · relevance 69%
no Pro plan
entry $12/mo
evalgate_mcp
● MCP · relevance 69%
no public price
speko
● MCP · relevance 69%
no public price
universal_connector_mcp
● MCP · relevance 68%
no public price
kaggle_mcp
● MCP · relevance 68%
no public price
UNITARES
● MCP · relevance 68%
no public price
FleetQ
● MCP · relevance 68%
$59/mo Pro
+8% vs Pro median
decision_anchor_2
● MCP · relevance 68%
no public price
roborun
● MCP · relevance 68%
no public price
FFrameworks16Ranked by relevance
labwire
● FRAMEWORK · relevance 72%
no public price
agenttrustops
● FRAMEWORK · relevance 72%
no public price
Vavitien
● FRAMEWORK · relevance 72%
no public price
daemon8
● FRAMEWORK · relevance 71%
no public price
mockloop
● FRAMEWORK · relevance 70%
no public price
access_github
● FRAMEWORK · relevance 70%
no public price
summonpot
● FRAMEWORK · relevance 70%
no public price
cognitrix
● FRAMEWORK · relevance 69%
no public price
factorly
● FRAMEWORK · relevance 69%
no public price
cage_lite
● FRAMEWORK · relevance 69%
no public price
agentor
● FRAMEWORK · relevance 68%
no public price
strands_agents
● FRAMEWORK · relevance 68%
no public price
openai_agents
● FRAMEWORK · relevance 68%
no public price
pi_py
● FRAMEWORK · relevance 68%
no public price
skillport
● FRAMEWORK · relevance 68%
no public price
langwatch
● FRAMEWORK · relevance 68%
no Pro plan
entry $34/mo
AAgents1Ranked by relevance
agentmetry_2
● AGENT · relevance 71%
no public price

Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.