feat(mcp): Expose MCP relay tools as callable functions for agents#290
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khaliqgant merged 2 commits intomainfrom Jan 24, 2026
Merged
feat(mcp): Expose MCP relay tools as callable functions for agents#290khaliqgant merged 2 commits intomainfrom
khaliqgant merged 2 commits intomainfrom
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…overy When Claude Code starts as a spawned agent, the MCP server (started by Claude Code from .mcp.json config) needs to discover the relay daemon socket to connect and register tools. Previously, the socket path wasn't passed to spawned agents, so the MCP server had to rely on filesystem discovery which could fail in some environments. Now we explicitly pass RELAY_SOCKET environment variable to spawned agents, ensuring the MCP server can reliably connect to the daemon and expose relay_send, relay_spawn, relay_release, relay_inbox, relay_who, and relay_status as callable functions. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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After PR #290 (MCP tool exposure) merges, update all relay documentation to emphasize MCP as primary communication method for agents. Task: bd-mcp-docs-001 Priority: 60 (high) Scope: CLAUDE.md, packages/mcp/README.md, cloud docs, examples Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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Summary
Implement MCP tool exposure so agents can use relay communication tools as callable functions.
This enables agents to call:
relay_send()- Send messages to other agents/channelsrelay_spawn()- Create worker agentsrelay_release()- Terminate agentsrelay_inbox()- Check pending messagesrelay_who()- List online agentsrelay_status()- Get connection diagnosticsWhat Changed
Testing
Agents successfully communicate via relay protocol (both file-based and MCP tools)
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