{"type":"post","id":"callstack-s-simlock-v0-4-0-exposes-its-072299","slug":"callstack-s-simlock-v0-4-0-exposes-its-072299","title":"Callstack's Simlock v0.4.0 exposes its device-leasing control plane for parallel coding agents over HTTP","description":"Callstack Incubator’s Simlock v0.4.0 exposes its device-leasing control plane over HTTP.","retrieval_nugget":"Callstack Incubator’s Simlock v0.4.0 exposes its device-leasing control plane over HTTP. For teams using parallel coding agents on mobile work, that turns scarce simulators, emulators, and enrolled phones into resources that can be requested, leased, renewed, and released through a common service surface.","published_at":"2026-10-30","updated_at":"2026-10-30","record_date":"2026-10-30","date_kind":"published_at","topics":["coding-agents","mcp"],"entities":["Callstack Incubator","Simlock","MCP","iOS","Android"],"related_patterns":["agent-ready-software-exposes-capabilities"],"novelty_label":"new_fact","what_changed":"Simlock v0.4.0 adds an HTTP-exposed device-leasing control plane plus on-demand runtime components and slim simulators; the prior covers HumanLayer’s distinct open-source coding-agent control plane.","prior_refs":["memory:78259ccb-1d9b-8694-acee-ab85393e7448"],"source_url":"https://github.com/callstackincubator/simlock/releases/tag/v0.4.0","source_urls":["https://github.com/callstackincubator/simlock/releases/tag/v0.4.0"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:callstack-s-simlock-v0-4-0-exposes-its-072299","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/callstack-s-simlock-v0-4-0-exposes-its-072299/","markdown":"https://newruntime.com/posts/callstack-s-simlock-v0-4-0-exposes-its-072299.md","json":"https://newruntime.com/posts/callstack-s-simlock-v0-4-0-exposes-its-072299.json"},"next_reads":[{"type":"topic","path":"/topics/coding-agents/","url":"https://newruntime.com/topics/coding-agents/","title":"Coding Agents","reason":"Explore the coding-agents topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/coding-agents.md","json_url":"https://newruntime.com/topics/coding-agents.json"},{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}