---
id: "b31676b7-ca52-4273-b00d-c0c46cb6c8ba"
number: 263
title: "Cross-project agents: implémentation backend MCP et runtime"
status: "closed"
priority: "critical"
sprint: null
links: [{"target":"#260","kind":"dependsOn"}]
agentRefs: [{"agentId":"fe887179-933f-47d4-960f-c3b06827f86c","role":"assigned"}]
attachments: []
createdBy: {"kind":"agent","agent_id":"a6c6ea12-bfc6-4bdc-8031-324102dfa34d"}
updatedBy: {"kind":"agent","agent_id":"a6c6ea12-bfc6-4bdc-8031-324102dfa34d"}
createdAt: 1788773730400
updatedAt: 1788792738864
version: 14
---
Implémenter les tools MCP cross-project et la mécanique runtime validée par Architect: discovery projets/contextes, discovery agents contactables/contextes, contact agent cross-project, permission persistée, launch projet fermé, reconciliation à l’ouverture, routage project-scopé, busy/cancel. Inclure tests backend ciblés.