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Official Cursor plugins for popular developer tools, frameworks, and SaaS products.

Its pstack plugin is mirrored, and kept in sync, at backnotprop/pstack, which skills.sh lists separately.

Source on GitHubSort and filter them in the skills list

15,776 stars on GitHub, Nov 9, 2026 · 16 skills · 1 bundle

Its bundle

  1. pstack

    Bundle of 14 skills
    Use it when:
    You want the agent to go deep before it ships: understand the code, settle the design, then prove the change works.
    It does:
    Runs multi-model workflows that explain, design, attack and check changes, plus writing rules and short engineering principles the workflows cite.

    how, why, architect, arena, interrogate, blast-radius, technical-writing, unslop, principle-boundary-discipline, principle-type-system-discipline, principle-fix-root-causes, principle-prove-it-works, principle-guard-the-context-window, principle-encode-lessons-in-structure

    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    33.6K
    top 21%
    Weekly Downloads
    2.7K
    top 18%

Its skills, most installed first

  1. unslop

    Part of pstack
    Use it when:
    A draft, doc or message reads as machine-written and you want it plain.
    It does:
    Scans the text for 28 numbered patterns, then rewrites it, keeping the meaning and intended tone.
    type:commandeffect:noneneeds:noneanti-slopwriting
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    33.6K
    top 21%
    Weekly Downloads
    2.7K
    top 18%

  2. thermo-nuclear-code-quality-review

    Use it when:
    You want a harsh review of a branch's code quality, not its bugs: abstractions, sprawling files, ad-hoc conditionals, needless wrappers.
    It does:
    Audits the current branch's changes against eight standing rules, hunting for "code judo": restructurings that keep behavior but make whole branches, helpers or layers disappear.
    type:workfloweffect:noneneeds:nonecode-reviewcode-qualityrefactoring
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    23.8K
    top 26%
    Weekly Downloads
    957
    top 29%

  3. deslop

    Use it when:
    A branch written with an agent is done and you want its machine-written habits cleaned out before review.
    It does:
    Reads the diff against main and edits out comments, try/catch blocks, any casts and nesting that don't match the surrounding code.
    type:commandeffect:localneeds:noneanti-slopcode-qualityrefactoring
    Age
    8 months
    Stars
    15.8K
    top 36%
    Total Downloads
    10.1K
    top 48%
    Weekly Downloads
    400
    top 47%

  4. blast-radius

    Part of pstack
    Use it when:
    A small-looking change makes you uneasy, or you ask what it could break somewhere else.
    It does:
    Finds the one fact the change's safety rests on, looks where a symbol search can't, and proves that fact with a script or test it runs.
    type:workfloweffect:localneeds:subagentscode-reviewverificationtesting
    Age
    4 months
    Stars
    15.8K
    top 36%
    Total Downloads
    7K
    bottom 34%
    Weekly Downloads
    567
    top 32%

  5. how

    Part of pstack
    Use it when:
    You ask how something works, want a walkthrough before changing code, or ask where code should live and which package owns it.
    It does:
    Sends one read-only subagent for a narrow question; for a subsystem, two to four explorers on separate angles, then one explainer.
    type:workfloweffect:noneneeds:subagentsarchitecturelearning
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    6.7K
    bottom 32%
    Weekly Downloads
    342
    top 49%

  6. why

    Part of pstack
    Use it when:
    You ask why code works this way, why a choice was made or what caused a regression, or want its history before changing it.
    It does:
    Collects the code's git blame, history and PR threads into one brief, then sends one subagent per evidence source it finds, all at once.
    type:workfloweffect:noneneeds:subagentsneeds:cliarchitectureresearchgitstack:gitstack:github
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    6.4K
    bottom 30%
    Weekly Downloads
    335
    top 49%

  7. technical-writing

    Part of pstack
    Use it when:
    You're writing or reviewing docs, RFCs, READMEs, PR descriptions or commit messages.
    It does:
    Picks one mode per document (tutorial, how-to, reference or explanation), then applies sentence rules from Google's developer style guide, Simplified Technical English and Global English.
    type:guidelineseffect:noneneeds:nonedocs-writingwritinganti-slop
    Age
    3 months
    Stars
    15.8K
    top 36%
    Total Downloads
    6K
    bottom 26%
    Weekly Downloads
    387
    top 47%

  8. principle-fix-root-causes

    Part of pstack
    Use it when:
    Debugging, and you want the fault fixed at its source rather than guarded where the error showed.
    It does:
    Reproduces first, asks why at each step until it reaches a wrong decision in the code, and instruments instead of guessing.
    type:guidelineseffect:noneneeds:nonedebugging
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.7K
    bottom 20%
    Weekly Downloads
    320
    bottom 50%

  9. arena

    Part of pstack
    Use it when:
    One attempt at a non-trivial artifact, such as a design or a piece of code, could lock in the wrong shape.
    It does:
    Writes a rubric, runs candidates in parallel, has a judge from another model family score them, picks a base and grafts the best parts of the others into it.
    type:workfloweffect:localneeds:subagentsmulti-agentagent-workflows
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.6K
    bottom 19%
    Weekly Downloads
    326
    top 50%

  10. principle-encode-lessons-in-structure

    Part of pstack
    Use it when:
    You catch yourself, or the agent, writing the same instruction a second time, or making the same correction again.
    It does:
    Encodes the rule as a lint, metadata flag, runtime check or script; when the lesson needs judgment, it makes the instruction more prominent and adds an example of the failure.
    type:guidelineseffect:noneneeds:nonecode-qualityguardrails
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.6K
    bottom 19%
    Weekly Downloads
    316
    bottom 50%

  11. principle-prove-it-works

    Part of pstack
    Use it when:
    A task is finished and the agent is about to say it's done.
    It does:
    Verifies against the real artifact: runs the feature, reads the actual value, inspects the diff, checks process liveness directly.
    type:guidelineseffect:noneneeds:noneverificationtesting
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.6K
    bottom 19%
    Weekly Downloads
    324
    top 50%

  12. architect

    Only works as part of pstack
    Use it when:
    You're about to start non-trivial work and jumping straight to code would lock in the wrong shape.
    It does:
    Grounds itself with how, and with why when ownership or layering changes, has arena runners sketch two or more structurally different designs with stub bodies, then writes the code.
    type:workfloweffect:localneeds:subagentsarchitectureimplementationmulti-agent
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.5K
    bottom 16%
    Weekly Downloads
    314
    bottom 49%

  13. principle-guard-the-context-window

    Part of pstack
    Use it when:
    Context is filling with large outputs, long files, repeated reads or fan-out planning.
    It does:
    Routes bulk work to subagents and keeps summaries, not raw payloads, in the main thread.
    type:guidelineseffect:noneneeds:subagentstoken-savingmulti-agent
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.5K
    bottom 16%
    Weekly Downloads
    316
    bottom 50%

  14. interrogate

    Only works as part of pstack
    Use it when:
    You want a change or design stress-tested by more than one model before it ships.
    It does:
    Restates the intent, gives each adversary its own worktree with your uncommitted changes, and keeps a finding only if rerunning its command shows a failure that breaks the intent.
    type:workfloweffect:localneeds:subagentscode-reviewmulti-agentverification
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.3K
    bottom 9%
    Weekly Downloads
    293
    bottom 48%

  15. principle-type-system-discipline

    Part of pstack
    Use it when:
    Designing types, reviewing a signature, or writing code in any statically typed language.
    It does:
    Brands primitives like UserId and OrderId so they can't be swapped, parses external data into typed models at boundaries, and derives types from the schema that owns the shape.
    type:guidelineseffect:noneneeds:nonecode-qualitydomain-modeling
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.3K
    bottom 9%
    Weekly Downloads
    334
    top 50%

  16. principle-boundary-discipline

    Part of pstack
    Use it when:
    Wiring validation, error handling or framework adapters.
    It does:
    Validates and handles errors defensively at CLI arguments, config files, external APIs and network protocols, then trusts typed data inside with no re-checks.
    type:guidelineseffect:noneneeds:nonecode-qualityarchitecture
    Age
    5 months
    Stars
    15.8K
    top 36%
    Total Downloads
    5.1K
    bottom 3%
    Weekly Downloads
    320
    bottom 50%