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Stacktrace Fleet

Developer tool

by Stacktrace

Control plane for the coding agents a team runs: a sidecar beside each agent reads its session files, checks them against 10 detection rules such as a credential in an outbound tool call or a retry storm, and sends findings to a console, Slack or the running Claude Code session; one policy allows, blocks or requires approval for components across local and remote agents; Claude Code supported, Devin and Codex in preview; Team is free up to 100 agents and 200 session-hours a month, Enterprise is by quote.

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What it does

• Evaluation and observability
• Guardrails and safety

Features 6

• See what every agent didEach tool call, its result, and the skill, MCP server or plugin behind it.
• One policy for all agentsAllow a component, block it, or require approval before an action.
• Real-time alertsFindings reach Slack or Claude Code while the agent is still running.
• Component inventoryTracks MCP servers, plugins and skills and how they change.
• Blast radiusShows every other agent a finding affects.
• Transcripts stay localFleet receives findings and inventory with no conversation text.

Sources

Pricing

Pricing page · 18 Oct 2026

Pricing page: Team is free per org with unlimited users, up to 100 agents and 200 session-hours a month; Enterprise is custom pricing billed annually; the Personal Agent Gateway is custom pricing.

Description

Official documentation · 18 Oct 2026

Fleet page: "See what every coding agent does, in every environment, and stop the unsafe actions as they happen."

What it does

Official documentation · 18 Oct 2026

Fleet page: "See what every coding agent does, in every environment, and stop the unsafe actions as they happen."

Constraints

Official documentation · 18 Oct 2026

Derived from the security facts on this page, from the same source.

Security

Official documentation · 18 Oct 2026

Pricing page Enterprise plan: sign-in through the customer's identity provider with roles per team; the fleet page and privacy notice say transcripts are read where the agent runs and are not sent by default; no certification and no statement about model training appears on the pages read, and an optional analysis stage uses the customer's own third-party key.

Sold within

Pricing page · 18 Oct 2026

Free Team plan with published limits; Enterprise by quote.

Name

Official documentation · 18 Oct 2026

Name as published on the product page.

URL

Official documentation · 18 Oct 2026

Product page, read 2026-10-18.

Deployment

Official documentation · 18 Oct 2026

Fleet page: a sidecar process beside each coding agent on a laptop, CI runner or cloud session, with Fleet showing findings across an organization; the Enterprise plan lists on-prem support.

Interfaces

Official documentation · 18 Oct 2026

Fleet page: findings go to "a local console, to Slack and into the running Claude Code session" and the install is a prompt pasted into Claude Code; the home page links the app console at app.stacktrace.ai.

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