feat: dev and invoke support for MCP and A2A protocols#554

Merged

tejaskash merged 27 commits intoaws:mainfrom

jesseturner21:protocol-dev-invoke

Mar 18, 2026

Commits on Mar 18, 2026

feat: protocol-aware dev and invoke for MCP and A2A agents
tejaskash
committed
fix: MCP session ID plumbing, tool list in header, A2A venv setup
tejaskash
committed
fix: break circular dependency between invoke and invoke-a2a
tejaskash
committed
fix: move isMcp declaration before its first use in DevScreen
tejaskash
committed
fix: always run uv sync for non-HTTP protocols on dev start
tejaskash
committed
fix: cap MCP tool list to 5 in header, add input placeholder
tejaskash
committed
fix: show clear error when only MCP/A2A agents exist in deployed invoke
tejaskash
committed
fix: remove deployed invoke guards for MCP/A2A agents
tejaskash
committed
feat: protocol-aware invoke and A2A agent card display
tejaskash
committed
fix: A2A dev uses fixed port 9000, add messageId to A2A requests
tejaskash
committed
fix: proper A2A streaming via message/stream, fix response parsing
tejaskash
committed
fix: skip status-update text to prevent doubled A2A responses
tejaskash
committed
feat: show A2A task status updates (working, input-required, etc.)
tejaskash
committed
fix: stream A2A responses incrementally from status-update events
tejaskash
committed
fix: show MCP tool list and usage hint in conversation on startup
tejaskash
committed
fix: guard deployed invoke against unsupported MCP/A2A protocols
tejaskash
committed
fix: enable deployed invoke for MCP and A2A agents
tejaskash
committed
fix: add MCP hint and placeholder in deployed invoke screen
tejaskash
committed
feat: MCP tool listing and tool calls in deployed invoke
tejaskash
committed
fix: retry MCP calls on cold-start initialization timeouts
tejaskash
committed
fix: MCP deployment and invoke compatibility
tejaskash
committed
style: format useInvokeFlow after rebase
tejaskash
committed
fix: protocol backward compat, fixed ports for A2A/MCP in CLI paths
tejaskash
committed
feat: A2A deployed invoke via JSON-RPC message/send
tejaskash
committed
fix: address code review findings for protocol dev/invoke PR
tejaskash
committed
fix: remove bedrock-agentcore-starter-toolkit from MCP template deps
tejaskash
committed
fix: address Aidan's review comments on protocol dev/invoke PR
tejaskash
committed

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feat: dev and invoke support for MCP and A2A protocols#554

feat: dev and invoke support for MCP and A2A protocols#554
tejaskash merged 27 commits intoaws:mainfrom
jesseturner21:protocol-dev-invoke

Commits on Mar 18, 2026

feat: protocol-aware dev and invoke for MCP and A2A agents

fix: MCP session ID plumbing, tool list in header, A2A venv setup

fix: break circular dependency between invoke and invoke-a2a

fix: move isMcp declaration before its first use in DevScreen

fix: always run uv sync for non-HTTP protocols on dev start

fix: cap MCP tool list to 5 in header, add input placeholder

fix: show clear error when only MCP/A2A agents exist in deployed invoke

fix: remove deployed invoke guards for MCP/A2A agents

feat: protocol-aware invoke and A2A agent card display

fix: A2A dev uses fixed port 9000, add messageId to A2A requests

fix: proper A2A streaming via message/stream, fix response parsing

fix: skip status-update text to prevent doubled A2A responses

feat: show A2A task status updates (working, input-required, etc.)

fix: stream A2A responses incrementally from status-update events

fix: show MCP tool list and usage hint in conversation on startup

fix: guard deployed invoke against unsupported MCP/A2A protocols

fix: enable deployed invoke for MCP and A2A agents

fix: add MCP hint and placeholder in deployed invoke screen

feat: MCP tool listing and tool calls in deployed invoke

fix: retry MCP calls on cold-start initialization timeouts

fix: MCP deployment and invoke compatibility

style: format useInvokeFlow after rebase

fix: protocol backward compat, fixed ports for A2A/MCP in CLI paths

feat: A2A deployed invoke via JSON-RPC message/send

fix: address code review findings for protocol dev/invoke PR

fix: remove bedrock-agentcore-starter-toolkit from MCP template deps

fix: address Aidan's review comments on protocol dev/invoke PR