CircleCI
Cloud-native CI/CD platform for automating build, test, and deployment pipelines across any language or environment.
Last verified:
CircleCI is a continuous integration and delivery platform that lets software teams automate build, test, and deployment workflows across Docker, Linux, macOS, Windows, Arm, and GPU environments, with self-hosted runners for hybrid setups. Founded in 2011 and based in San Francisco, it was the first CI/CD tool to achieve FedRAMP Tailored authorization and has raised roughly $315M through a Series F at a $1.7B valuation. It offers a self-serve free and Performance tier billed by usage credits, with a custom-priced Scale tier for enterprises needing SAML SSO and dedicated support.
Pricing
| Tier | Price | Key features |
|---|---|---|
| Free | $0/monthly | Docker, Windows, Linux, Arm, macOS, self-hosted runners, 30x concurrency, 2GB storage / 1GB network, Credits do not roll over |
| Performance | $15/monthly | Larger resource classes, 80x concurrency, 2GB storage / 5GB network, Optional 8x5 support, Additional users at $15/mo each |
| Scale | Custom | Custom credit allocation, SAML SSO, All environments incl. GPU, 200GB storage / 50GB network, Optional 24/7 support |
Source: https://circleci.com/pricing/
Agent-readiness
- Discoverability
- 75/100
- Machine-readable content
- 80/100
- Programmatic access
- 85/100
- MCP / agent support
- 80/100
- Self-serve transactability
- 85/100
- Transparency
- 80/100
Security & compliance
- SSO / SAML
- Yes
- Encryption at rest
- Yes
- Encryption in transit
- Yes
- Audit log
- Yes
- Pentest report
- Not publicly documented
"Not publicly documented" means Crail found no public evidence either way — not a confirmed absence. See our methodology. Trust center: https://trust.circleci.com.
FAQ
Does CircleCI have a free tier?
Yes, CircleCI offers a free tier or free trial.
Can you buy CircleCI without talking to sales?
Yes, CircleCI can be purchased self-serve without a sales call.
Does CircleCI have an official MCP (Model Context Protocol) server?
Yes, CircleCI publishes an official MCP server (https://github.com/CircleCI-Public/mcp-server-circleci).
What compliance certifications does CircleCI hold?
CircleCI holds: SOC 2 Type II, FedRAMP Tailored, EU-U.S. Data Privacy Framework.
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Methodology & disclosure
Data verified via agent crawled, last checked 2026-07-26. Agent-readiness methodology version crail-ar-v0.1. No vendor payment influences these scores — see our methodology page.