costheta alternatives

Tools that do what costheta 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 costheta.

Read 2026-10-26

With a free plan or free to use: Cloudflare, Lumo by Proton.

10 alternativesUnlike costheta

#1
Phronesis Security MCP · sign-in
Issues auditable action boundaries and decision receipts that an agent calls before committing to a decision, scored later against outcomes.
Also: Agents, Evaluation
1
Maintained
From $49/mo
#2
HaltState Security
Intercepts and enforces policies on AI agent actions before execution, blocking prohibited operations and routing exceptions to human review.
Also: Security, AgentsMore widely used
2
Active
#3
Cloudflare Security MCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Also: AgentsMore widely used
4.9M
Active
From $20/mo
2009
#4
Lumo by Proton Security
Provides encrypted email, calendar, cloud storage, password manager and VPN under one Proton account, with the Lumo chat assistant as an add-on.
Also: Chat assistant, SecurityMore widely used
3.4M
Active
Free plan
2014
#5
COSTRINITY Security MCP · open
Returns allow, hold or block verdicts before risky agent actions and signs verifiable records of each decision.
Also: Compliance, SecurityMore widely used
1.7k installs/mo
Active
2026
#6
Touchstone Agents MCP · sign-in
Records a signed, hash-chained, externally anchored log of an agent's actions so the record can be verified offline without trusting the vendor.
Same job
Little sign of use
#7
Vanta Security
Automates compliance evidence collection and audit preparation across SOC 2, HIPAA, ISO 27001, and other frameworks.
Also: Compliance, Workflow automationMore widely used
71.1k
Active
Contact sales
#8
Iru Security
Manages devices, identities, and compliance from a single platform with endpoint detection and passwordless access.
Also: Security, ComplianceMore widely used
13.1k
Active
Contact sales
2018
#9
Autonomous pentesting, continuous monitoring Security MCP · sign-in
Scans web apps, networks and cloud for vulnerabilities, then exploits them where supported to prove risk, with reports and an autonomous pentest agent.
Also: Security, MonitoringMore widely used
107k
Active
From $96/mo
2017
#10
SentinelOne Purple AI Security
Detects and responds to endpoint threats using behavioral AI and autonomous remediation across devices and identities.
Also: Security, AnalyticsMore widely used
453k
From $179.99/user/yr
2013

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How this list is made: the words costheta 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.