AgentTool alternatives

Tools that do what AgentTool 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 AgentTool.

Read 2026-10-27 · AgentTool itself: Pay per use

With a free plan or free to use: Synapse Layer, Lumo by Proton, Cloudflare, Sonzai Mind Engine SDK, Snyk, ResumeContext.

10 alternativesUnlike AgentTool

#1
Synapse Layer Security MCP · open
Stores and retrieves encrypted shared memory for AI agents across sessions, models, and applications.
Free planAlso: Agents, Security
27 installs/mo
Active
From $19/mo
#2
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.
Free planAlso: Chat assistant, Security
3.4M
Active
Free plan
2014
#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.
Free planAlso: Agents
4.9M
Active
From $20/mo
2009
#4
Sonzai Mind Engine SDK Developer tools
Stores and retrieves conversation context and facts for AI agents using keyword and semantic search.
Free planOpen source
8
Active
Open source
2024
#5
Agent Relay Desktop Developer tools
Local CLI that orchestrates multiple coding agents, enabling handoffs between models and session resumption.
More widely used
122 installs/mo
Active
#6
Hekkova Security MCP · sign-in
Mints photos, video, audio and text as encrypted, permanently stored Polygon records, callable by AI agents through an MCP server.
Same job
6
From $2.50 once
#7
Snyk Security
Scans source code, open source dependencies, container images and infrastructure-as-code for vulnerabilities, and suggests fixes in the IDE, CLI and pull requests.
Free planAlso: Security, Code generation
63.1k
Active
From $25/mo
2015
#8
Firefox Security
Blocks trackers by default in a web browser and moves bookmarks, passwords and history between devices.
Also: SecurityMore widely used
1.2M
Active
2002
#9
Walrus Security
Stores and verifies data for AI agents and applications with portable, persistent, and independently verifiable storage.
Also: Data extractionMore widely used
173
Active
2025
#10
ResumeContext Developer tools
Stores and searches coding agent sessions across a team to prevent duplicated work and preserve context between agents.
Free planAlso: Workflow automation
Emerging
Active
Free

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How this list is made: the words AgentTool 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.