Launch sprout-agent from the desktop GUI#529
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Bundle sprout-agent and sprout-dev-mcp as sidecars alongside the existing sprout-acp, sprout-mcp-server, and git-credential-nostr. sprout-agent is ACP-native (no CLI args, config via env vars). sprout-dev-mcp provides its tools: shell, str_replace, rg, tree, sprout CLI, and git auth via multicall binary. Changes: - Register sprout-agent in KNOWN_ACP_PROVIDERS with mcp_command and mcp_hooks fields on KnownAcpProvider (single source of truth) - Surface mcp_command through AcpProviderInfo → Tauri IPC → TS types - Set MCP_HOOK_SERVERS=* for sprout-agent via known_acp_provider() lookup (handles paths, case, underscores, .exe normalization) - Bundle both binaries in tauri.conf.json, bundle-sidecars.sh, justfile - Add KNOWN_AGENT_BINARIES entries for orphan process detection - Mirror default_agent_args in sprout-acp/config.rs - Add regression tests for avatar, args, and mcp_hooks wiring
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This was referenced May 28, 2026
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What
Sprout Agent can now be selected as an agent runtime in the desktop app, alongside Goose, Claude Code, and Codex.
Both
sprout-agentandsprout-dev-mcpare bundled as sidecars — no separate install required. When a user picks Sprout Agent, the harness automatically wires upsprout-dev-mcpas its MCP server (shell, file editing, ripgrep, tree, sprout CLI, git auth) and enables the_Stop/_PostCompacthook tools.Why
sprout-agent is our own ACP-native agent. Unlike the external runtimes (goose, claude, codex) which users install separately, sprout-agent ships with the app. It speaks ACP over stdio with zero CLI flags — config is entirely via environment variables — so the integration is minimal.
Bundling
sprout-dev-mcpalongside it gives the agent a complete developer toolchain including thesproutCLI for relay interaction, eliminating the need forsprout-mcp-server(which provides relay tools that overlap with what the CLI already covers).Design
All per-provider config lives in one place:
KNOWN_ACP_PROVIDERSindiscovery.rs. Two new fields on the registry —mcp_commandandmcp_hooks— flow through the existing Rust → Tauri IPC → TypeScript pipeline so the frontend reads the right MCP server directly from the provider object. No string-matching heuristics, no duplicated mappings across the language boundary.LLM credentials (
SPROUT_AGENT_PROVIDER,ANTHROPIC_API_KEY,ANTHROPIC_MODEL) flow through inherited environment — the user sets them in their shell before launching Sprout.