settings: add parallel tool calls (tool_concurrency_limit) to Agent Settings#1312
settings: add parallel tool calls (tool_concurrency_limit) to Agent Settings#1312VascoSch92 wants to merge 6 commits into
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✅ Mock-LLM E2E Tests54/54 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
🔶 Mock-LLM Docker E2E Test Results49/54 passed · 5 skipped Commit:
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✅ Mock-LLM E2E Tests53/53 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
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📸 Snapshot Test ReportWarning Snapshot comparison step crashed (timeout, OOM, or runner error) — diff results below may be incomplete or absent. ✅ 3 snapshots changed — acknowledged via the
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Generated by the Snapshot Tests workflow. This comment was created by an AI agent (OpenHands) on behalf of the repo maintainers.
✅ Mock-LLM E2E Tests54/54 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
✅ Mock-LLM Docker E2E Test Results54/54 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
✅ Mock-LLM E2E Tests60/60 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
✅ Mock-LLM Docker E2E Test Results60/60 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
✅ Mock-LLM E2E Tests60/60 passed Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |
🛑 Mock-LLM Docker E2E Test Results56/56 passed · Commit:
Posted by the Mock-LLM E2E workflow · results are deterministic (scripted LLM responses) |









HUMAN:
Add parallel tool call in agent-canvas.
AGENT:
What & why
Adds a tool_concurrency_limit ("Parallel tool calls") control to the Agent Settings screen for the OpenHands agent path. It lets users cap how many tool calls an agent executes concurrently per step (1 = sequential, the default), exposing the SDK's existing tool_concurrency_limit capability in the UI.
Changes
backend schema exposes it, so older agent-servers that predate tool_concurrency_limit hide it cleanly. Save reuses the shared schema-driven coercion/validation and skips empty input rather than sending null (the field is a
non-nullable int).
Backward compatibility
No-op for ACP agents and for agent-servers whose schema doesn't include the field — it simply isn't rendered.
Testing
__tests__/routes/agent-settings.test.tsxcovers save coercion and presence in the settings diff.Type
🐳 Docker images for this PR
• GHCR package: https://github.com/OpenHands/agent-canvas/pkgs/container/agent-canvas
ghcr.io/openhands/agent-canvasghcr.io/openhands/agent-server:1.28.1-pythonopenhands-automation==1.0.0a106e81ba042dd13639c2a8b4410637a19a0c73c9eaPull (multi-arch manifest)
# Multi-arch manifest — Docker automatically pulls the correct architecture docker pull ghcr.io/openhands/agent-canvas:sha-6e81ba0Run
All tags pushed for this build
About Multi-Architecture Support
sha-6e81ba0) is a multi-arch manifest supporting both amd64 and arm64sha-6e81ba0-amd64) are also available if needed