
Arithym alternatives
Tools that do what Arithym 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 Arithym.
Read 2026-10-27 · Arithym itself: From $5/mo
With a free plan or free to use: Cloudflare, Lumo by Proton, AgentData, HatchLoop, FusionAuth, Sonatype.
- #1

FluentEDIDeveloper toolsMCP · open
Stateless HTTP and MCP endpoints that compute exact results like timezone math, hashes, JSON repair, unit conversion and DNS lookups.
Own MCP server
2Active - #2

CloudflareSecurityMCP · 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.
Costs moreAlso: Agents
4.9MActiveFrom $20/mo2009 - #3

Lumo by ProtonSecurity
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
3.4MActiveFree plan2014 - #4

AgentDataSecurityMCP · open
Returns company tech stacks, verified email contacts and web signals through a REST API and an MCP server for AI agents.
Also: SearchOwn MCP server
9Active - #5

HatchLoopSecurityMCP · open
Lets AI agents find, verify, message and book local businesses through separate MCP servers.
Own MCP server
6ActiveFree - #6

FusionAuthSecurityMCP · open
Hosts login, single sign-on, multi-factor and passwordless authentication, plus user management and role-based access, self-hosted or on FusionAuth's cloud.
Costs moreOwn MCP server
42.2kActiveFrom $162/mo - #7

SentinelOne Purple AISecurity
Detects and responds to endpoint threats using behavioral AI and autonomous remediation across devices and identities.
Also: Security, AnalyticsMore widely used
453kFrom $179.99/user/yr2013 - #8

SonatypeSecurityMCP · sign-in
Hosts artifact repositories and scans open source dependencies, blocking malicious or vulnerable components before they enter builds.
Also: SecurityMore widely used
69.4kActiveFrom $1,200/yr2008 - #9

NinjaOne CopilotSecurity
Manages endpoints, patches vulnerabilities, backs up devices, and provides remote support from a unified console.
CheaperMore widely used
275kActiveFrom $1.50/mo2014 - #10

HaasSecurityMCP · sign-in
Lets AI agents book verified humans for physical-world tasks like deliveries and store audits through an API or MCP server.
Same job
3MaintainedPay per use2026
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How this list is made: the words Arithym 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.
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