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Agent skill

tRPC Release Compatibility Check

by superset-sh in superset-sh/superset

Checks whether a tRPC procedure change is safe for released desktop, mobile, CLI and SDK builds, picks a compatible pattern and decides when a deprecated procedure can go.

Custom licenceAuto-check passedBackend & APIs

Install tRPC Release Compatibility Check

skills CLI
$ npx skills add superset-sh/superset --skill trpc-compat -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install superset-sh/superset trpc-compat --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/superset-sh/superset.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/trpc-compat .claude/skills/trpc-compat && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
trpc-compat
GitHub stars
15k
Token cost
~1.7k tokens
SKILL.md length
880 words
Files
1
Skills in repo
47
Repo updated
First seen
Licence
Custom licence

At a glance

Checks whether a tRPC procedure change is safe for released desktop, mobile, CLI and SDK builds, picks a compatible pattern and decides when a deprecated procedure can go.

  • Works in 5 steps: Find released callers → Check usage data → Pick the pattern → …
  • Renaming or removing a tRPC procedure, input field or output field
  • SKILL.md covers 1. Find released callers, 2. Check usage data, 3. Pick the pattern and 4. Remove a deprecated…, plus 2 more sections
  • Calls git and gh

What it does

The skill opens with a past incident: a procedure's response changed from a bare array to an object, every caller on main was updated so typecheck and tests passed, yet released desktop builds still called `.map` on the result and workspace views crashed. CI only sees main, so this skill checks the builds it cannot see. Step one is to find released callers by searching release tags rather than main: desktop and CLI tags in a loop starting at the minimum supported version, mobile through main plus `git log -S`, the SDK by procedure string, and host-service procedures, where host and client versions can differ.

Step two checks usage data: the API samples 1% of calls into a PostHog event named `api_procedure_called`, queried with SQL, and zero rows is weak evidence for a rarely used procedure. Step three picks a pattern from a table, for example adding a new procedure when an output shape changes while the old one keeps its shape, and adding inputs only as new optional fields with a default in the handler. Any hit among released callers means the procedure is live and its input and output are frozen.

When your agent uses it

  • Renaming or removing a tRPC procedure, input field or output field
  • Reviewing a PR that touches packages/trpc or packages/host-service
  • Investigating a deploy that broke released desktop or CLI clients
  • Deciding whether a deprecated procedure can finally be removed

Example prompts

  • “I want to change page.list to return an object, so is that safe for released clients?”
  • “Review this PR for tRPC changes that would break old desktop builds.”
  • “Can we delete the deprecated procedure, or are released CLI versions still calling it?”

Requirements

  • A clone with release tags fetched through `git fetch --tags`
  • PostHog usage data, through its SQL editor or MCP

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Find released callers
  2. Check usage data
  3. Pick the pattern
  4. Remove a deprecated procedure or field
  5. If released clients are already broken

What it can do on your machine

Read from SKILL.md and the folder at commit 5021353. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • git
    • gh

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git and gh, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

tRPC Release Compatibility Check loads about 1.7k tokens when it runs. Until then it costs about 96 tokens; SKILL.md has 880 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~96
When it runs · the whole SKILL.md, loaded when a task matches
~1.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 880 words (~1,696 tokens).

“On 2026-09-23, #7726 changed page.list from a bare array to { items, nextCursor }. It updated every caller on main, so typecheck and tests passed. Desktop 1.30.0–1.30.2 still called .map on the result, and every workspace view crashed (SEV1, 337…”

— opening of SKILL.md by superset-sh, Custom licence
name
trpc-compat

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/trpc-compat of superset-sh/superset.

Open the folder on GitHubat commit 5021353

Compare with similar skills

tRPC Release Compatibility Check next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

tRPC Release Compatibility Check compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
tRPC Release Compatibility Check this skillsuperset-sh/superset15k—~1.7kAutomated safety check: PassCustom licence
REST API Contract Reviewdecebals/claude-code-java751—~2.8kAutomated safety check: PassMIT
Breaking Change Analysisruby-git/ruby-git1.8k—~1.7kAutomated safety check: PassMIT
Tnr Dev Serverstudie-tech/TheNinjaRPG104—~2.5kAutomated safety check: NotesNone
Server TRPC Router Guidelobehub/lobehub83k—~904Automated safety check: PassCustom licence
Frappe Code Reviewfrappe/skills147—~3.8kAutomated safety check: PassNone

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Works with

Categories

Questions about tRPC Release Compatibility Check

What does tRPC Release Compatibility Check do?

Checks whether a tRPC procedure change is safe for released desktop, mobile, CLI and SDK builds, picks a compatible pattern and decides when a deprecated procedure can go. map` on the result and workspace views crashed. CI only sees main, so this skill checks the builds it cannot see.

When should I use tRPC Release Compatibility Check?

tRPC Release Compatibility Check fits situations like: renaming or removing a tRPC procedure, input field or output field; reviewing a PR that touches packages/trpc or packages/host-service; investigating a deploy that broke released desktop or CLI clients; deciding whether a deprecated procedure can finally be removed.

How do I install tRPC Release Compatibility Check in Claude Code?

Run `npx skills add superset-sh/superset --skill trpc-compat -a claude-code`. Or copy the skill folder (.agents/skills/trpc-compat in superset-sh/superset) into .claude/skills/trpc-compat in your project. Claude Code loads it when a task matches its description.

How do I install tRPC Release Compatibility Check in Codex?

Run `npx skills add superset-sh/superset --skill trpc-compat -a codex`. Or copy the skill folder (.agents/skills/trpc-compat in superset-sh/superset) into .agents/skills/trpc-compat in your project. Codex loads it when a task matches its description.

Can I use tRPC Release Compatibility Check in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add superset-sh/superset --skill trpc-compat -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/trpc-compat, .gemini/skills/trpc-compat, .github/skills/trpc-compat and .opencode/skills/trpc-compat in your project.

What does tRPC Release Compatibility Check need to run?

Going by SKILL.md and its folder, tRPC Release Compatibility Check needs the command-line tools its instructions call (git and gh). Our summary lists: A clone with release tags fetched through `git fetch --tags`; PostHog usage data, through its SQL editor or MCP.

Does tRPC Release Compatibility Check access the network?

SKILL.md contains no URLs. Its commands use git and gh, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is tRPC Release Compatibility Check safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does tRPC Release Compatibility Check use?

tRPC Release Compatibility Check has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does tRPC Release Compatibility Check use?

About 1.7k tokens (SKILL.md is roughly 6.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to tRPC Release Compatibility Check?

Skills that share tags, products or a category with tRPC Release Compatibility Check: REST API Contract Review (decebals/claude-code-java, 751 stars), Breaking Change Analysis (ruby-git/ruby-git, 1.8k stars), Tnr Dev Server (studie-tech/TheNinjaRPG, 104 stars) and Server TRPC Router Guide (lobehub/lobehub, 83k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains tRPC Release Compatibility Check?

superset-sh (a GitHub organization) maintains it in superset-sh/superset, which has 15,013 GitHub stars. The repository holds 47 skills in this directory. The repository was last updated on October 9, 2026.

Source: superset-sh/superset on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.