II.
Claim overview
Reference · liveclaim:omp-issue-542-mid-conversation-system
claim:omp-issue-542-mid-conversation-system overview
Inspect the raw attributes, linked wiki pages, and inbound or outbound graph edges for claim:omp-issue-542-mid-conversation-system.
Attributes
claimId
omp-issue-542-mid-conversation-system
subjectId
agentVersion:omp:ge-15-5-9
subjectKind
AgentVersion
attribute
adapterMetadata.modelCompatibility.supportsMidConversationSystem
value
supported
true
providerFamily
anthropic
transport
anthropic-messages
minimumModelFamilyVersion
claude-opus-4.8
settingName
supportsMidConversationSystem
statement
OMP 15.5.11 adds mid-conversation system message support for eligible
Anthropic Messages turns by upgrading developer turns to system role on
first-party Claude API with Claude Opus 4.8+ and exposes the
supportsMidConversationSystem compatibility setting.
evidenceSourceIds
confidence
high
provenanceKind
vendor-doc
evidenceStrength
strong
status
accepted
claimedAt
2026-05-29T11:25:00Z
claimedBy
@a5c-ai/catalog
claimKind
assertion
Outgoing edges
claims1
- agentVersion:omp:ge-15-5-9·AgentVersionOMP (oh-my-pi)
evidenced_by1
- evidence:omp-issue-542-v15-5-11-release·EvidenceSourceOh-My-Pi v15.5.11 release notes for issue #542
Incoming edges
None.