Stacklok
Track on RadarStacklok secures AI agents and MCP tool interactions for enterprise environments.
- Total raised
- $37.5M
- Employees
- 42
- Founded
- 2023
- Momentum
- 29
Stalling
Data updated August 2026
About
About Stacklok
At a glance
Stacklok is a cybersecurity company specializing in AI Security, founded in 2023 and headquartered in Seattle, United States. It has raised $37.5M in total funding, employs about 42 people, and is privately held.
Stacklok is a cybersecurity company focused on securing AI agents and the systems through which they interact with data and tools. The company's primary focus is on the Model Context Protocol (MCP), an emerging standard that governs how AI models and agents call and interact with external tools and data sources. Stacklok's flagship product is ToolHive, a platform designed to make MCP simpler and more secure. ToolHive provides a vetted MCP registry, a point-and-click user interface, client integrations, network isolation, and built-in security features targeted at enterprise use cases. The product addresses risks introduced when AI agents autonomously call external tools by providing governance, isolation, and controlled access mechanisms. The company builds in the open and collaborates with the broader AI and developer community. It is backed by investors including Accel, Madrona, and Bain Capital. Stacklok was founded by Craig McLuckie, who is also a co-creator of Kubernetes and the Cloud Native Computing Foundation, and previously co-founded Heptio, which was acquired by VMware. McLuckie has held leadership roles at Google, Microsoft, and VMware. The company operates with a hybrid and fully remote workforce distributed globally, and is headquartered in Bellevue, Washington. Stacklok's target market includes enterprises adopting AI agents that require security controls around tool usage and model-to-system interactions.
Momentum
How Stacklok is trending
Momentum score
Score history appears once we have at least two monthly snapshots.
Pillar breakdown
Pillar breakdown locked
Growth, Market & Financial sub-scores
Valuation
What Stacklok is worth
Estimated valuation
Funding
Funding history
See every round, lead investor, and the full capital stack.
Open the full profile on Mandos to see funding history.
Public markets
Stock performance
Privately held
This company isn't publicly traded. Stock performance will appear here after an IPO.
Headcount
Headcount growth
Track hiring velocity, department mix, and seniority shifts.
Open the full profile on Mandos to see headcount growth.
Jobs
Open jobs
Every live posting, hiring pace, and role-level signal.
Open the full profile on Mandos to see open jobs.
Web traffic
Digital presence
Visits trend, bounce rate, engagement, and top countries.
Open the full profile on Mandos to see digital presence.
Tech stack
Technologies
The full stack behind the product — frameworks, clouds, security.
Open the full profile on Mandos to see technologies.
M&A
Acquisitions
Every acquisition this company has made, with dates and amounts.
Open the full profile on Mandos to see acquisitions.
Reviews & sentiment
Employee & product reviews
CEO approval, culture, comp, and detailed product ratings.
Open the full profile on Mandos to see employee & product reviews.
Leadership
Full leadership team
CEO, CxOs, VPs, and every exec with roles.
Open the full profile on Mandos to see full leadership team.
Competitors
Competitive landscape
The complete competitor set with overlap and positioning.
Open the full profile on Mandos to see competitive landscape.
News
Press & news coverage
The most recent mentions, announcements, and media coverage.
Open the full profile on Mandos to see press & news coverage.
Full profile
This public profile is a snapshot
The full Mandos profile of Stacklokadds funding rounds & investors, valuation estimates, headcount & hiring trends, technology stack, executive moves, and real-time monitoring.
FAQ
Frequently asked questions about Stacklok
When was Stacklok founded?▾
Stacklok was founded in 2023.
Where is Stacklok headquartered?▾
Stacklok is headquartered in Seattle, United States.
How much funding has Stacklok raised?▾
Stacklok has raised a total of $37.5M in total funding.
Is Stacklok public or private?▾
Stacklok is a privately-held company.
How many employees does Stacklok have?▾
Stacklok has approximately 42 employees.
What does Stacklok do?▾
Stacklok is a cybersecurity company focused on securing AI agents and the systems through which they interact with data and tools. The company's primary focus is on the Model Context Protocol (MCP), an emerging standard that governs how AI models and agents call and interact with external tools and…