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Apache 2.0 (Core)

The AgentCTX protocol and developer tools are released under the Apache License, Version 2.0.

The following components are Apache 2.0 — free forever for any use:

  • CTX parser and serializer (src/ctx/)
  • Binary CTX encoding (src/ctxb/)
  • CLI↔Extension protocol (src/protocol/)
  • Command-line interface (src/cli/)
  • MCP server + SSE transport (src/mcp/)
  • Rust CTX parser (crates/ctx-parser/)
  • Client SDK (packages/sdk/)
  • Documentation (docs/)
  • Tests (tests/)
PermissionAllowed
Commercial use
Modification
Distribution
Patent use
Private use
ConditionRequired
License and copyright notice✅ Must include
State changes✅ Must document modifications
Trademark❌ Does not grant trademark rights
Limitation
Liability❌ No warranty
Warranty❌ Provided “as is”

The complete Apache 2.0 license is available at: