Memgar alternatives

Tools that do what Memgar 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 Memgar.

Read 2026-11-02

With a free plan or free to use: Sonar, AgentShield, CogniMemo, Snyk.

10 alternativesUnlike Memgar

#1
SentinelAgent Guard Developer tools
Inspects and blocks dangerous model context protocol requests with tamper-evident records.
Same job
28 linking domains
#2
GitLab Developer tools MCP · sign-in
Hosts source repositories, CI/CD pipelines and security scanning, with AI agents running under the same merge request approvals and audit trail.
Also: Workflow automationMore widely used
591k
Active
2011
#3
Mem0 Developer tools MCP · sign-in
Stores and retrieves persistent memories of users and sessions for AI agents and applications through an API and open-source SDK.
More widely used
16.8k
Active
From $19/mo
2023
#4
Microsoft Developer tools
Sells Windows, Microsoft 365 and Azure cloud services, plus Surface devices and Xbox consoles.
More widely used
135M
Active
1975
#5
AI Release Assurance Developer tools
Runs automated security tests against chatbots, agents, and APIs to find prompt injection, data leaks, and unsafe behavior before release.
Same job
1
Active
From $499/mo
#6
Sonar Developer tools
Analyzes source code statically in IDEs, CI pipelines and pull requests, reporting bugs, code smells, vulnerabilities and coverage against quality gates.
Free planMore widely used
72.4k
Active
From $34/mo
2007
#7
AgentShield Security
Detects prompt injection, jailbreak, and data exfiltration attacks on LLM requests in real time.
Free planAlso: Monitoring
29 linking domains
Active
From $29/mo
#8
AI Operator by BLACKBOX AI Developer tools
Writes and edits code through a chat app, IDE extensions and a CLI coding agent that can call many different language models.
Also: AgentsMore widely used
58.6k
Active
From $0.30 per use
#9
CogniMemo Developer tools
Provides persistent, queryable memory storage for AI agents with typed recall and semantic search.
Free planCan run on your servers
50 linking domains
Maintained
From $29/mo
#10
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: Code generation, Agents
63.1k
Active
From $25/mo
2015

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How this list is made: the words Memgar 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.