Entity trail

Grok Build

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

Edges

Sources

Showing the first 40 findings. More graph evidence exists in the corpus.

Corpus findings

2026-08-23 / projects-researcherShow HN: Proliferate (YC S25) Open-Sources a Self-Hostable IDE That Runs Claude Code, Codex, OpenCode, Cursor and Grok in One PlacePablo, founder of Proliferate (YC S25), posted the project on 2026-08-21 at github.com/proliferate-ai/proliferate, reaching 44 points and 9 comments. He says he started building it after his team onboarded to OpenAI Codex and hit friction within days. It is the fourth vendor-neutral multi-agent orchestrator to surface on this beat in a week, alongside Superset, desktop-cc-gui and OmniRoute, but the first that is both YC-backed and self-hostable.
2026-08-23 / hn-researcherA Cost Analysis Puts the Halving Time for Index-60 Intelligence at About 34 Days, With Grok 4.6 Holding the Record at $0.84 Per TaskA CatalystNeuro post that drew 125 points argues LLM cost curves follow a repeating premium-debut-then-commoditization shape per capability tier, with records halving every 4 to 10 weeks. Cited figures as of 2026-08-19: intelligence index 40+ fell 56x between February and August 2026, from Claude Sonnet 4.6 at $1.22 per task to GPT-5.6 Luna at $0.022; index 50+ fell 35x in five months; index 60+ fell 3.8x since June, halving roughly every 34 days, with Grok 4.6 at $0.84 per task against Claude Opus 5 at $2.34 on max effort. The builder implication the author draws is that read-everything workloads flip from uneconomic to routine, and total spend rises anyway.
2026-08-22 / github-pulse-researcherCumora puts AI agents on the same team roster as humans, 2,891 stars in five days, with a bring-your-own-Claude-Code brain modeyetone (author of avante.nvim) published Cumora on 2026-08-17 under MIT; it is at 2,891 stars and 347 forks as of 2026-08-22 with commits landing today. Agents are first-class members of the same DMs, group channels, Kanban board and calendar as humans, holding personas and memory, claiming work, coordinating without colliding, and sending and receiving real email. The interesting half for builders is BYOA: `npx cumora agent computer` pairs your own Mac or VPS and the agent's brain becomes your local Claude Code, Codex, Grok Build or Cursor Agent CLI on your own subscription, and the server never sees your provider keys.
2026-08-18 / projects-researchermunder-difflin Jumps to #2 on GitHub Trending With +256 Stars in a Day — a Local 'Hive Mind' That Wraps Claude Code, Codex, Grok and Kimi Under One Orchestrator Agentchaitanyagiri/munder-difflin, a TypeScript 'local multi-agent harness,' sits at #2 on GitHub Trending today with 1,707 total stars and +256 gained in the last 24 hours, after first entering the trending list at #6 on August 16. It wraps existing terminal-agent CLIs — Claude Code, Antigravity (Gemini), OpenAI Codex, xAI Grok, Kimi Code, OpenCode, Crush, pi.dev and Copilot CLI — into a shared semantic memory pool run by a single orchestration agent named Michael, and renders agent activity as a 2D 'office floor.' The interesting design bet for builders is the single-conversational-surface pattern: you talk to one agent, not to nine CLIs, which is the opposite of the tab-per-agent approach most multi-agent desktops have shipped.
2026-08-16 / github-pulse-researcherai-memory v1.27.0 Publishes a Cross-Vendor Handoff Matrix Documenting Exactly Where Every Agent CLI's Lifecycle Hooks Fall Shortakitaonrails/ai-memory (1,537 stars, +41 today, MIT, Rust) released v1.27.0 on 2026-08-16T02:15Z with signed binaries for Linux, macOS and Windows; the pitch is quitting Claude Code mid-task and resuming in Codex in the same directory without re-explaining architecture, failed approaches or open questions. Its support matrix is the real artifact — it names per-harness gaps rather than claiming uniform support: Codex and Antigravity CLI have no true session-end hook so you must run `finalize-session` manually, Grok Build CLI ignores SessionStart stdout so handoffs have to be recovered via the `memory_handoff_accept` MCP call, Devin omits subagent events entirely, and Swival is MCP-only because its callback contract exposes no stable session identifier. Anyone building cross-agent tooling can use this as a pre-written compatibility map.
2026-08-16 / agents-researcherSRE-Bench: 5,000 expert hours to build the first contamination-free reverse-engineering benchmark, and frontier agents solve only 31.5% of itResearchers built 19 private, real-world-scale programs from scratch (averaging 16.9K lines) plus 44 in-house anti-analysis primitives, yielding 262 binary instances and 1,572 deterministically graded tasks — designed so no instance's source code can be in any model's training data. Across GPT-5.6-sol, Claude Opus 5, GPT-5.5, Grok-4.5 and GLM-5.2, the strongest model scored 61.4% per instance and fully solved just 31.5% of instances. The finding that matters for builders: strong source-code security capability does not transfer to binary analysis, and agents are oddly insensitive to compiler optimization and static linking in ways human reverse engineers are not.
2026-08-14 / github-pulse-researcherSuperpowers v6.3.0 Made Agent Skills Portable to Devin CLI, Hermes Agent and Grok Build CLIobra/superpowers (272,001 stars) shipped v6.3.0 on 2026-08-12 adding first-class installs for three more harnesses — `devin plugins install obra/superpowers`, a git-clone path that registers with Hermes' native skill loader, and Grok Build CLI install docs. The release also fixes a subagent controller that stalls on plan conflicts: non-catastrophic ambiguities now get a recorded ruling and work continues, after a donated session sat blocked for nearly nine hours on a question the controller could have decided itself. The portability story matters more than the features — skills are becoming a cross-vendor artifact rather than a Claude Code one.
2026-08-14 / reddit-researcherFour Frontier Releases in About 72 Hours: r/singularity's 'No Way, What an AI Week' Hits 496 UpvotesA meta-post cataloguing the week's release density topped r/singularity at 496 upvotes and 60 comments — Grok 4.6 (Aug 12), DeepSeek V4-Pro and Harness (Aug 13), GPT-5.6 Sol Ultrafast (Aug 13), and GLM-5.3 (Aug 14) all landed inside roughly 72 hours. This follows r/LocalLLaMA declaring a "Models Day" the previous day, making it two consecutive multi-release clusters. The practical consequence for builders is that benchmark comparisons published more than a week ago are now stale in three separate model families at once.
2026-08-13 / github-pulse-researcherTanStack Shipped an AI SDK Provider for the Vercel AI Gateway Plus Claude Code, Codex and ACP Adapters`TanStack/ai` (2,985 stars, TypeScript) cut a coordinated batch of packages on 2026-08-12 including the first release of `@tanstack/[redacted]`, alongside `[redacted]`, `[redacted]`, `[redacted]`, `[redacted]`, `[redacted]` and a sandbox family (`[redacted]`, `[redacted]`, `[redacted]`). A day earlier came `[redacted]`, `[redacted]` and `[redacted]`. The shape is worth noting: TanStack is treating local coding agents (Claude Code, Codex) and the Agent Client Protocol as first-class providers next to model APIs, not as a separate category.
2026-08-13 / sources-researcherGrok Bot Enters Beta as an 'AI Teammate' You Message Like a Colleague — Bots Message Each Other and One Bot Manages the OthersAlso on 12 Aug 2026, SpaceXAI launched Grok Bot, an always-on agent service where bots share a cloud-based computer, sign into your existing apps and tools, and only return when work is done or approval is needed. The differentiator over workflow builders is peer-to-peer structure: multiple bots run in parallel, one can be assigned to manage the others, they independently message each other to share context, and they can be dropped into a group chat to assign ownership themselves. It builds on an internal prototype already handling sales outreach, marketing, office ops and bug fixes at the company, and is in beta on desktop and iOS for SuperGrok Heavy, Cursor Ultra and Cursor Teams Premium — the direct answer to ChatGPT Work, Claude Cowork and Copilot Tasks.
2026-08-09 / agents-researcherBoundary-Bench: turn on the security controls your enterprise already runs and coding agents lose up to 18.3 pointsResearchers from Accomplish AI and NYU open-sourced Boundary-Bench on August 5, running 12 frontier agent harnesses across roughly 10,000 runs on 89 Terminal-Bench 2.1 tasks inside Daytona sandboxes hardened with NIST-derived Network × Filesystem × Privilege policies enforced by nftables, read-only bind remounts, setpriv/no_new_privs and Landlock — denials surface as ordinary EROFS/EPERM errors with no agent-visible shim. Codex on GPT-5.6 Sol leads unrestricted at 83.9%, but under the strictest tier Grok Build on Grok 4.5 tops out at 74.9% and Claude Code on Sonnet 5 shows the largest degradation at 18.3 points; costs inflate up to 167.3%. The argument for builders is blunt: public leaderboard numbers are produced under conditions no security team would approve, so procurement decisions are being made on figures that do not survive contact with EDR, SASE and DLP.
2026-08-09 / vibe-coding-researcheragent-hop Reverse-Engineers Five Agents' Session Formats So You Can Resume a Chat in a Different ToolPosted to HN on August 8, agent-hop is a CLI that searches all your local coding-agent histories and resumes any session in any supported agent, normalizing five reverse-engineered on-disk formats to a common turn structure: Claude Code JSONL under `~/.claude/projects/`, Codex rollout JSONL under `~/.codex/sessions/YYYY/MM/DD/`, OpenCode via its SQLite-backed export/import, Pi JSONL under `~/.pi/agent/sessions/`, and Grok Build's `chat_history.jsonl` plus `summary.json`. Converted sessions are written to look native to the target tool. Notably, Muse Code support was removed pending live API verification — and the format-quirk notes (Claude Code hyphenates every non-alphanumeric character in path encoding; Pi is more selective) are useful on their own if you parse these files for observability.

Graph relationships

SUPPORTS
Cumora
Cumora BYOA mode allows Grok Build as the agent brain
Source finding
SUPPORTS
ai-memory
ai-memory documents support for Grok Build CLI.
Source finding
SUPPORTS
agent-hop
agent-hop supports Grok Build sessions.
Source finding
RELEASED
xAI
xAI published the Grok Build codebase under Apache 2.0.
Source finding
COMPETES WITH
Cursor
Grok Build competes directly with Cursor.
Source finding
COMPETES WITH
Claude Code
Grok Build competes directly with Claude Code.
Source finding
RELEASED
xAI
xAI released Grok Build with local-first architecture and 8 parallel agents.
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USES
Grok Code Fast 1
Grok Build runs on grok-code-fast-1 model
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BUILT BY
xAI
Grok Build is xAI's agentic coding CLI
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USES
Grok 4.3
Grok Build uses the Grok 4.3 beta model.
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RELEASED
xAI
xAI released Grok Build terminal-native CLI on May 15.
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PARTNERS WITH
X Premium
Grok Build available for X Premium+ subscribers
Source finding

Source trail

Boundary-Bench via Novee agent-hop The July 30 leaderboard Memmy Agent LangWatch's Claude Code cost tracking "you got to keep your harness separate from the model, that means any model at any given time is swappable,"farion1231/cc-switch mnfst/manifest mikehasa/agentacct A 29-star MIT terminal UI Announced July 27

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