asap-protocol
asap-protocol provides an agent-to-agent communication and task coordination protocol with stateful orchestration (state machine + snapshotting/resumability), schema-first interoperability (Pydantic/JSON Schema), and support for tool execution/coordination via MCP in a single message envelope. It also includes observability identifiers and multiple security options (Bearer auth, OAuth2/JWT, Ed25519 signed manifests, optional mTLS, replay prevention, rate limiting) plus CLI utilities and a compliance harness.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
README references Bearer auth, OAuth2/JWT, Ed25519 signed manifests, optional mTLS, replay prevention, HTTPS, and rate limiting. The manifest also shows explicit dependency overrides for known CVEs, which is a positive hygiene signal. Secret handling specifics (e.g., not logging secrets) are not directly verifiable from the provided excerpts.
⚡ Reliability
Best When
You need reliable agent-to-agent coordination with persistence/resume semantics and cross-agent schema compatibility, optionally with MCP tool-calling and strong identity/signing.
Avoid When
You only need direct point-to-point requests and do not benefit from stateful orchestration, metering, or signature-based trust.
Use Cases
- • multi-agent orchestration where workflows must be resumable across failures
- • agent-to-agent task delegation with artifact/tool exchange using a shared envelope
- • standardized interop across agent frameworks via schema-first messages
- • tool execution coordination through MCP-compatible integration
- • production-grade debugging/traceability using correlation_id/trace_id
- • building an agent marketplace/registry for agent discovery and trust
Not For
- • simple single-process agent communication that does not require orchestration/state
- • systems that cannot operate with HTTP/WebSocket style transports
- • environments that require fully managed SaaS with turnkey hosting (this appears to be a library/protocol)
- • workloads that need strict, vendor-neutral REST/OpenAPI-first APIs (the protocol is primarily implemented as a Python library + transports)
Interface
Authentication
README indicates OAuth2 trust/custom claims and signed identity/manifests; CLI supports key generation and signing/verifying manifests.
Pricing
No hosted pricing information provided; appears to be an open-source protocol/library.
Agent Metadata
Known Gotchas
- ⚠ Misaligned schema versions across agents can break interoperability if schema migration guidance is not followed.
- ⚠ Security configuration mismatches (OAuth/JWT trust levels, manifest signature verification, optional mTLS) can cause handshake failures.
- ⚠ State drift can occur if agents do not correctly persist/restore workflow snapshots during long-running coordination.
Alternatives
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Scores are editorial opinions as of 2026-03-30.