SPIRE
The SPIFFE Runtime Environment — attests workloads and issues them short-lived cryptographic identities, so services authenticate to each other without shared secrets.
Specifications it implements
What this tool does to each specification, in the role vocabulary. Follow a standard through to standards.apievangelist.com for what it actually specifies.
| Standard | Role | What that means |
|---|---|---|
| SPIFFE | issues |
The reference SPIFFE runtime — what actually mints workload identities. |
- Interfaces
clicontainerhttp-api- Invoke
spire-server entry create -spiffeID <spiffe://trust-domain/workload> -parentID <id> -selector <selector>- Emits
- x509, jwt
- Runtime
- Runs offline Non-deterministic Writes Needs credentials
Where it applies
Jobs this tool actually does, and the surface each one is exercised on.
The direction of travel for agent-to-service authentication: an agent that holds no static secret cannot leak one.
- Website
- https://spiffe.io
- Repository
- https://github.com/spiffe/spire
- License
- Apache-2.0 — reported by the GitHub API, verified 2026-09-17
- Stars
- 2542 · last commit 2026-09-17
- Companies hiring
- 14 — distinct companies whose job postings name this tool, Q3-2026. A demand signal, not a deployment count.
- Also known as
- spire, SPIFFE Runtime Environment
/tools.json,
against the tool.schema.json
schema, using the roles.json
vocabulary. Start at /llms.txt.