Hacker ApprovedDepartments

Grok Build CLI

Ranked 3 of 41 coding agents by recommenders

Fast, smooth terminal coding agent that people find capable and recommend; critics say it uploads whole directories, including secrets, to xAI.

Fast, smooth terminal coding agent that people find capable and recommend; critics say it uploads whole directories, including secrets, to xAI.

180 people gave an opinion

recommend it
66
criticize it
114
approval share
37%
Each figure is 2 people. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 66 people recommend itNeeds 10 or more, met.
  • 0.5 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Smooth, sleek terminal interface

    “I have found Grok Build to be decent, and the harness to be competitive with similar harnesses.”

    Comment from 16 Jul 2026 in “Grok Build Is OSS”

    “the harness itself is butter smooth with the potential of being the best out there”

    Comment from 15 Jul 2026 in “Grok Build Is OSS”

    “Its TUI interface, sleek design, and ease of use have really won me over.”

    Comment from 21 Jun 2026 in “Ask HN: Do you use Claude Code, Codex, or something else?”
  • Strong results on real projects

    “I tried it on a couple of projects and was (pleasantly?) surprised how good it was.”

    Comment from 24 Jun 2026 in “Grok Build 0.1: Intelligence, Performance and Price Analysis”

    “It's the only one I pay for and it's made me insanely productive.”

    Comment from 16 Jul 2026 in “Grok Build Is OSS”

    “the best coding AI agent I have ever had the pleasure of using”

    Comment from 16 Jul 2026 in “Grok Build Is OSS”
  • Fast performance

    “Grok Build seems faster to me than omp and Claude Code but I can't put my finger as to why”

    Comment from 15 Jul 2026 in “Grok Build Is OSS”

    “Grok Build has had impressive performance in a couple of my projects. And fast.”

    Comment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

    “Its amazing the speed of build with grok 4.5 its a taste of whats to come.”

    Comment from 15 Jul 2026 in “Grok Build Is OSS”
  • Open source release

    “They made it open source. Isn't this what the community was asking for?”

    Comment from 15 Jul 2026 in “Grok Build Is OSS”

    “it's open source. Presumably anyone who wants to trust it can audit it.”

    Comment from 16 Jul 2026 in “Grok Build Is OSS”

    “open source harness is definitely a step in the right direction”

    Comment from 16 Jul 2026 in “Grok Build Is OSS”

What people warn about

Each mark is one comment

  • Uploads whole directory and secrets

    “The entire directory (not repo) and all repo history regardless of secrets or instructions otherwise is not needed for faster cache access.”

    Comment from 16 Jul 2026 in “Grok Build Is OSS”

    “It is a deliberate choice of the Grok Build team to have a toggle from the server to let the program to upload your entire codebase”

    Comment from 13 Jul 2026 in “Grok uploaded my user directory to xAI's servers”

    “The fact that the whole repo is automatically uploaded is crazy though, especially for multi-gigabyte repositories.”

    Comment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”
  • Undisclosed, no opt-out

    “The fact that they made it something you can't opt out of and wasn't disclosed at all”

    Comment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

    “this is bad... but just for chuckles, i asked grok cli to check disclosure and look through the binary and logs to see which config would stop it from doing that”

    Comment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”
  • Bloated code and dependencies

    “What a bunch of slop: 182 top-level external dependencies (so, without considering nested dependencies) and 1318853 lines of code in Rust.”

    Comment from 15 Jul 2026 in “Grok Build Is OSS”

    “Sounds like they did the ol “grok please make this secure” and it slopped out this plausible-if-you-squint nonsense.”

    Comment from 15 Jul 2026 in “Grok Build Is OSS”

Other coding agents people recommend

The four most recommended other coding agents, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Grok Build CLI compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
GitHub Copilot57199337%121 yr46 owners—
oh-my-pi1042879%92 mo5 ownersApproved
Grok Build CLIThis page6611437%6——
DeepSeek Harness632869%41 mo5 ownersApproved
Claude Code VS Code extension314342%11——
See all 41 coding agents, ranked

What people said

40 of the 217 comments that mention it, newest first. Each links to the original comment.

“Both Cursor and Grok build ask if you want to resume a session from another harness”

RecommendsComment from 22 Sep 2026 in “Elevated errors for multiple models – Resolved”

“I liked grok build, but cost-wise, it's just not competitive with cursor and codex”

MixedComment from 23 Aug 2026 in “Quick impressions: A week of using Codex more than Claude”

“Grok Build objectively is one of the very best in the space”

RecommendsComment from 23 Aug 2026 in “Quick impressions: A week of using Codex more than Claude”

“It was a bug, and was immediately corrected. The other harnesses have bugs too.”

MixedComment from 23 Aug 2026 in “Quick impressions: A week of using Codex more than Claude”

“The grok build TUI harness is excellent and I really enjoyed using it.”

RecommendsComment from 12 Aug 2026 in “SpaceXAI's Grok 4.6 Scores 61 on the Artificial Analysis Intelligence Index”

“which is a really nice harness I find myself preferring these days”

RecommendsComment from 12 Aug 2026 in “Grok 4.6”

“Grok Build which has 1st party integration with X API with kind of secret tools calls”

RecommendsComment from 19 Jul 2026 in “Make X API calls for Free from Grok Build's hidden tools”

“in about 10 minutes it was working, security was configured properly, backups were set up”

RecommendsComment from 19 Jul 2026 in “Minecraft: Java Edition now uses SDL3”

“I believe the significance of such a fork lies more in its existence as a statement.”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“The entire directory (not repo) and all repo history regardless of secrets or instructions otherwise is not needed for faster cache access.”

CriticizesComment from 16 Jul 2026 in “Grok Build Is OSS”

“open source harness is definitely a step in the right direction”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“first day of trying to script Grok Build I think I sent in 6 bugs of slightly weird behaviour I discovered”

MixedComment from 16 Jul 2026 in “Grok Build Is OSS”

“I have found Grok Build to be decent, and the harness to be competitive with similar harnesses.”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“It's the only one I pay for and it's made me insanely productive.”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“It's definitely a lot smarter when it comes to review or asking if there's gaps or things missing.”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“the best coding AI agent I have ever had the pleasure of using”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“it's open source. Presumably anyone who wants to trust it can audit it.”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“at least they're not doing the usual canned PR response surrounding this”

RecommendsComment from 16 Jul 2026 in “Grok Build Is OSS”

“Sounds like they did the ol “grok please make this secure” and it slopped out this plausible-if-you-squint nonsense.”

CriticizesComment from 15 Jul 2026 in “Grok Build Is OSS”

“Its amazing the speed of build with grok 4.5 its a taste of whats to come.”

RecommendsComment from 15 Jul 2026 in “Grok Build Is OSS”

“What a bunch of slop: 182 top-level external dependencies (so, without considering nested dependencies) and 1318853 lines of code in Rust.”

CriticizesComment from 15 Jul 2026 in “Grok Build Is OSS”

“the harness itself is butter smooth with the potential of being the best out there”

MixedComment from 15 Jul 2026 in “Grok Build Is OSS”

“Grok Build seems faster to me than omp and Claude Code but I can't put my finger as to why”

MixedComment from 15 Jul 2026 in “Grok Build Is OSS”

“They made it open source. Isn't this what the community was asking for?”

RecommendsComment from 15 Jul 2026 in “Grok Build Is OSS”

“The problem here is plainly uploading your whole directory without prompting for permissions to read them”

CriticizesComment from 13 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“It is a deliberate choice of the Grok Build team to have a toggle from the server to let the program to upload your entire codebase”

CriticizesComment from 13 Jul 2026 in “Grok uploaded my user directory to xAI's servers”

“publishing software that is uploading user directories including ssh keys is insane behaviour on xAIs part”

CriticizesComment from 13 Jul 2026 in “Grok uploaded my user directory to xAI's servers”

“the model weights, the GPUs, and the context obviously all have to be in the same place”

MixedComment from 13 Jul 2026 in “Grok CLI uploaded the whole home directory to GCS”

“The fact that the whole repo is automatically uploaded is crazy though, especially for multi-gigabyte repositories.”

CriticizesComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“The fact that they made it something you can't opt out of and wasn't disclosed at all”

MixedComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“this is bad... but just for chuckles, i asked grok cli to check disclosure and look through the binary and logs to see which config would stop it from doing that”

CriticizesComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“any provider has the ability to do the same thing, and will happily do it if it helps improve results”

MixedComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“you also have handed over your secrets, dotfiles and API keys alongside with your source code to xAI”

CriticizesComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“Grok Build has had impressive performance in a couple of my projects. And fast.”

MixedComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“It transmits the contents of files it reads — including a .env secrets file — to xAI, verbatim and unredacted.”

CriticizesComment from 12 Jul 2026 in “What xAI's Grok Build CLI Actually Sends to xAI”

“the 246k context window as given in this link means I won't look at it”

MixedComment from 24 Jun 2026 in “Grok Build 0.1: Intelligence, Performance and Price Analysis”

“I tried it on a couple of projects and was (pleasantly?) surprised how good it was.”

RecommendsComment from 24 Jun 2026 in “Grok Build 0.1: Intelligence, Performance and Price Analysis”

“Its TUI interface, sleek design, and ease of use have really won me over.”

RecommendsComment from 21 Jun 2026 in “Ask HN: Do you use Claude Code, Codex, or something else?”

“we wanted to make sure that the binary works in your editors or via `-p`”

RecommendsComment from 14 May 2026 in “Grok Build”

“we did try to go the extra mile to make sure that there won't be any regressions from moving to an alt-screen rendering”

RecommendsComment from 14 May 2026 in “Grok Build”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.