Stackduke alternatives

Tools that do what Stackduke does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Stackduke.

Read 2026-11-03

With a free plan or free to use: Kastra, Squidbrake, AxioRank, MoorAI, Arobi Technology Alliance, Inc., BoundaryAI.

10 alternativesUnlike Stackduke

#1
Speakeasy Agents MCP · sign-in
Routes agent traffic through one identity-checked MCP gateway, enforcing security policy on every prompt and tool call.
Also: AgentsMore widely used
5.8k
Active
From $0.35 per use
2021
#2
Maetra Agents
Binds each AI agent action to a policy decision and signed receipt, routing risky requests to human approval before execution.
Also: ComplianceMore widely used
1
Active
From $20/mo
#3
Aqta Agents MCP · open
Checks each AI agent action against your rules and a person's prior approval, then signs the allowed or refused decision as a verifiable record.
Also: Compliance, AgentsMore widely used
12
Active
Contact sales
2026
#4
Kastra Voice
Evaluates attribute-based policies on prompts, tool calls, and agent actions in under one millisecond, returning allow, deny, redact, or hold decisions.
Free planAlso: Evaluation
10
Active
From $19.99/user/mo
2024
#5
Squidbrake Agents
Checks each tool call an AI agent makes against YAML rules and holds risky ones for human approval before they run.
Free planOpen source
2.7k installs/mo
Active
From $499/mo
#6
Duvera Agents MCP · open
Runs every AI agent action through a policy check and records it as a cryptographically signed, tamper-evident receipt.
Also: ComplianceMore widely used
1
Active
#7
AxioRank Agents MCP · open
Checks every AI agent tool call against policy, scans payloads for leaked secrets and destructive SQL, and writes a signed audit trail.
Free planMore widely used
20
Maintained
From $49/mo
#8
MoorAI Agents MCP · open
Checks commands, file reads and tool invocations from AI agents on laptops and model servers, applying policy locally.
Free planOpen source
Active
Free plan
#9
Arobi Technology Alliance, Inc.Agents MCP · open
Checks who is acting and which approvals apply before AI agents or robots run consequential actions, then keeps a reviewable record of what happened.
Free planAlso: Compliance
23
Active
From $24/mo
#10
BoundaryAI Agents MCP · sign-in
Intercepts and authorizes AI agent actions before execution, blocking unauthorized data access, destructive operations, and policy violations.
Free planMore widely used
2
From $49/user/mo

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How this list is made: the words Stackduke is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.