capstone: stateless research and report ecosystem
client / host
Claude Desktop,
Cursor, VS Code
per request:
protocolVersion
clientCapabilities
clientInfo
renders:
ui://report/current
(iframe sandbox)
OAuth 2.1:
PKCE + RFC 8707
gateway
auth: Bearer
user = alice | bob
RBAC:
research:read
research:write
stateless route:
Mcp-Method
Mcp-Name
audit log
user, tool, decision
OTel: gen_ai.*
mcp.call CLIENT
research MCP server
server/discover
2026-07-28
tools + extensions
resources
notes://recent
prompts
/research_topic
ui://
ui://report/current
tasks extension
get / update / cancel
A2A call out:
writer-agent
SendMessage summary
writer
A2A agent
opaque
skills:
summarize_
papers
returns:
Artifact
summary.md
no protocol session: every request carries version and capabilities; traces cross each boundary.