# skillstore

Skillstore helps your AI discover useful skills for the task in front of you, including skills you did not know to look for.
Start with the task, not a skill name or a local import. Skillstore supplies candidates and complete instructions for writing, design, code and other work.
Your AI checks fit, reads required package files, applies the guidance, and verifies the result. Discovery and delivery alone do not establish usefulness.

## The library connector (start here: no account, no token)
One URL serves the whole library: https://skillstore-jk.fly.dev/mcp/library (Streamable HTTP, POST JSON-RPC).
Tools: check_connection {} → confirm this connector · browse_skills {} → skills by area ·
find_skill {task} → ranked candidates · get_skill {id} → instructions · get_skill_package {id} → external package inventory.
Follow each candidate's returned retrieval tool and arguments. Published creator candidates use get_creator_method with the exact id, expectedRevision and expectedDigest returned by discovery.
For each needed file in a creator method's packageFiles, copy that file's retrieval.arguments unchanged into get_creator_method. Preserve the returned id, expectedRevision and expectedDigest; the digest selects that exact file. Do not replace it with the method digest or add paths.
get_skill_package is only for external gh: packages: call it with the id, then again with the returned revision and relative paths. Read the complete required instructions before applying a skill.
Use a short non-private task summary. Respect an explicit skill choice; if no candidate fits, continue normally.
rate_skill {id, worked} → report an observed outcome, never infer one from a successful connection or delivery.
Name the skill and source, explain its fit briefly, and show one instruction applied and a concrete check.
Claude Code: claude mcp add --scope user --transport http skillstore https://skillstore-jk.fly.dev/mcp/library
Codex: codex mcp add skillstore --url https://skillstore-jk.fly.dev/mcp/library
Optional project hint: offer to append this exact line to CLAUDE.md (Claude Code) or AGENTS.md (Codex).
Preserve existing content and do not edit either file unless the user asks:
If a task could benefit from an expert method, search the Skillstore connector first (find_skill); skip it for quick edits.
Setup depends on the app version, account and workspace. In a fresh Claude Code or Codex session, check the active connection with /mcp, then try a real task. A saved configuration does not prove a successful task.
Anonymous limit: 60 MCP messages a minute per network address (an IPv6 /64 counts as one), shared with this site's catalog reads. Every batch member counts, including notifications. Excess requests receive HTTP 429 and Retry-After; split batches larger than the allowance.
Valid personal credentials backed by a Google, email or GitHub sign-in link instead share 60 MCP messages a minute per library owner across connectors, token rotations and networks, plus a 1200-message shared-network ceiling. Anonymous claim tokens, client names and debug headers do not grant this allowance.
Disconnect: claude mcp remove --scope user skillstore (Claude Code) or codex mcp remove skillstore (Codex). An installed find-a-method skill is a folder you delete; its manifest.json version changes whenever the served package does.
For coding work: 19 engineering methods. The first 16 entries below are of them; find_skill with the task finds the rest.

## Optional: save personal skills
Public discovery needs no local import. A personal shelf adds saved methods and private adaptations.
1. The user chooses what to save. Importing local packages requires explicit file review and upload consent.
2. They get a private connector URL: https://skillstore-jk.fly.dev/mcp/u/<shelfToken>?tools=summary
3. Add it as an MCP server (Streamable HTTP, POST JSON-RPC). The token may also be sent as
   `Authorization: Bearer <shelfToken>` against https://skillstore-jk.fly.dev/mcp/u
4. The summary connector exposes stable discovery and exact-retrieval tools. Use the returned retrieval arguments and read required files before applying a saved method.
The local importer saves selected packages and prints connection instructions; it does not install or configure the connector for you.

## Reporting outcomes
After applying a skill, report the observed outcome. Delivery or installation alone is not success.
Use the connector's tools/list schema: the library's `rate_skill` takes { id, worked, note?, reason? };
the personal shelf's `rate_skill` takes { skill, worked, note?, steps? }.
On a personal shelf, `steps` is one enum per step IN ORDER: ok | stalled | skipped | errored.
Never send the user's content. The step outcome is an enum, not text.
What the server stores per report: skill id, worked, optional note about the SKILL,
timestamp, and an address-derived identifier that changes daily. The identifier matches
ratings to recent deliveries, groups repeated reports, and supplies distinct address-day
counts for usage and ranking. These are not counts of individual people. Network addresses
are also used to limit request rates. Anonymous library requests have no account identity;
an optional personal library connector groups runs and ratings under its chosen token.
A salted per-address key that does not change daily is kept for 90 days to count returning connections and
distinct callers. The return ledger holds only the UTC day, that key (for IPv6, of the /64 prefix) and a closed activity
kind, no query text, and excludes marked tests, operator traffic, DNT and GPC. Creator-method retrieval, report and copy
rows also carry the key, beside the method and version, so a public reception band counts one address as one subject.
Send no user content in rating notes. Full posture: /terms.
Outcome reports inform ranking alongside task relevance. Reports are self-reported benefit, not independent verification.
Stars and installs do not demonstrate usefulness. Faster, cheaper or more accurate output requires a comparable baseline.

## Feedback
Tell us how Skillstore works for you: https://skillstore-jk.fly.dev/feedback (two minutes; the owner reads every reply).

## Public skills (40 of 69)
- Frontend Design: Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults. Plan colors, typography and layout… (get_skill id: frontend-design)
- Human Review: Let a person edit local HTML or Markdown, or comment on a localhost page, then apply their feedback to the source. Peter Yang’s Human Review workflow; requires a local coding agent, browser and the human-review CLI. (creator method, https://skillstore-jk.fly.dev/skills/ccdf1ac639c2bb8d614b87251eda770188c23bfb38464b29)
- Isometric technical figures — Anatomy adaptation: Build a detailed interactive isometric SVG mechanism that explains a technical concept, with a shared model, accessible controls and visual verification. Local-workflow Anatomy adaptation for an explicitly requested physical explainer; req… (creator method, https://skillstore-jk.fly.dev/skills/5877091062c1bd00008d2d59e4221bbe39fdd11eafa0a90c)
- Simplification: make working functions clearer without changing behavior: Addy Osmani's simplification method. Understand the logic before changing it (Chesterton's Fence), and refactor for readability: flatten deep nesting and nested ternaries, split long functions, rename unclear names, remove duplication, dea… (creator method, https://skillstore-jk.fly.dev/skills/a55f5ef0872213b4b6e336233a1eb824d68e9ce3bad76323)
- API and interface design: stable contracts that are hard to misuse: Addy Osmani's interface design method. Define the contract first, keep a single error shape, validate at boundaries, extend by addition rather than modification, name predictably and honour idempotency keys; apply REST pagination, filterin… (creator method, https://skillstore-jk.fly.dev/skills/c32dece130f38039cbd552399ea7446102ba0bb0e89be8e9)
- Incremental implementation: build in thin, tested slices: Addy Osmani's incremental delivery method. Implement a feature that spans several modules in thin vertical slices rather than a big-bang change: test and verify each slice, keep the build green, use feature flags and safe defaults, keep ea… (creator method, https://skillstore-jk.fly.dev/skills/b8513737f70b05f9f65ae93214ba9c452c50ff34fd37b71f)
- Performance optimization: measure, fix the bottleneck, keep or revert: Addy Osmani's performance method for slow web pages, dashboards, APIs and database queries. Measure a baseline with Lighthouse, a profiler or query plans, identify the actual bottleneck behind slow load times or endpoints, fix a single cau… (creator method, https://skillstore-jk.fly.dev/skills/5005909d0ab5e5b7ebb85d785a1c370374ca25ef997d28c4)
- Security and hardening: threat-model a web application and close its vulnerabilities: Addy Osmani's security method for web applications. Map trust boundaries and run STRIDE, and apply concrete controls for injection, XSS, access control, authentication and sessions, headers and CORS, input validation and uploads, SSRF, des… (creator method, https://skillstore-jk.fly.dev/skills/1e5043ffb00f3942e0e984ec87f860dba87df86df53d8d58)
- Planning and task breakdown: ordered, verifiable engineering tasks: Addy Osmani's planning method. Break an approved spec or clear requirements into ordered tasks: read the relevant source without editing it, map the dependency graph, slice the work vertically, give each task or ticket acceptance criteria,… (creator method, https://skillstore-jk.fly.dev/skills/f0e756c78b9b6ead80ad597ef87e26b8678d307737654489)
- Spec-driven development: write a spec and agree on it before coding: Addy Osmani's spec method. Turn a vague idea or unclear requirements into a technical specification for a software feature or project: surface assumptions, cover objective, scope, project structure, testing strategy and boundaries, write t… (creator method, https://skillstore-jk.fly.dev/skills/d18fec4fef077901836be072bff9218bcf89a3485d7eb049)
- Debugging and error recovery: reproduce, localize, fix the root cause: Addy Osmani's systematic method to debug failing tests, broken builds, crashes, runtime errors that appear in production but not locally, and regressions. Preserve the evidence, reproduce the failure, localize the failing layer (git bisect… (creator method, https://skillstore-jk.fly.dev/skills/ab175a31829a54c3a23754f520eb6944506d45b7425c6a0e)
- Test-driven development: red-green-refactor and prove-it bug tests: Addy Osmani's TDD method. Find the repository's own test commands, write a failing test first, make it pass with the smallest change and refactor while tests stay green; for a bug, write a reproduction test that fails before the fix. Cover… (creator method, https://skillstore-jk.fly.dev/skills/0da67ed038be2beba79f395caaba28f5cc506b63f43fb541)
- Review and quality: five-axis pull request review before merge: Addy Osmani's review method for a diff or pull request before merge, whoever wrote it: a teammate, an AI agent or the author. Start from the tests, cover five axes from correctness and readability (including naming) to architecture, label… (creator method, https://skillstore-jk.fly.dev/skills/77a80bdcea33926c4b4aeee7e60869b1abaab96b24cab394)
- Ponytail audit: rank the bloat to delete across a whole codebase: Ponytail-audit by DietrichGebert and contributors. Scans an entire repository or monorepo for over-engineering and bloat: unused wrappers, abstractions, flags, dependencies and packages, and hand-rolled helpers the standard library or plat… (creator method, https://skillstore-jk.fly.dev/skills/c5d8f4c0b145703ddaf9e55e1e95e34eed055fef5d924b1a)
- Ponytail review: find over-engineering to delete in a diff: Ponytail-review by DietrichGebert and contributors. Reviews a diff or pull request solely for over-engineering and unnecessary complexity: reinvented standard library helpers, unneeded dependencies, single-implementation interfaces, specul… (creator method, https://skillstore-jk.fly.dev/skills/7197b92df3683152b3c9c8bc15d1997c09dce13059f9b98a)
- SwiftUI Pro: modern SwiftUI and Swift for iOS, iPadOS and macOS: Paul Hudson's SwiftUI Pro (v2.0.0) for SwiftUI and Swift across Apple platforms, including modern APIs, VoiceOver, localization, resizable layouts and Swift concurrency. Not for React Native, Flutter, Jetpack Compose or web apps. (creator method, https://skillstore-jk.fly.dev/skills/66ccb8d1876d77ce902aece6255944fa1f2b59fdae5840f1)
- Write a Tailored Resume or CV for a Job Application: Tailor or rewrite a resume or CV for a specific job application using supplied career evidence and a target role. Produce the requested professional summary, skills section or experience bullets with factual claims and missing evidence kep… (get_skill id: tailor-resume)
- Write a Job Application Cover Letter: Draft or revise a cover letter or written job-application answer from supplied career facts, a target posting and an optional writing example. Produce the letter or answer in the applicant's voice with evidence-backed claims. (get_skill id: job-application-letter)
- Landing Page Strategy & Copy: Review or write a homepage or landing page from first principles: identify the visitor and offer, audit the page, then produce clear copy and a validation plan. Adapted from Corey Haines’ product-marketing, CRO and copywriting methods. (get_skill id: landing-page-strategy)
- Cancer care brief (Fuck Cancer): Organize cancer-related reports and updates into one patient or caregiver brief, with appointment questions, confirmed facts, pending results and a care log. Peter Yang’s Fuck Cancer method supports care coordination and research, not diag… (creator method, https://skillstore-jk.fly.dev/skills/42cf21a7d6c527577b7e81f53e60c2faf2c64126b0252fc5)
- Video Short — Peter Yang: Turn a raw talking-head recording into a vertical Short, Reel or TikTok with captions, B-roll and motion graphics, then refine it with feedback pinned to individual frames. Requires a local coding host and video tools; optional generated m… (creator method, https://skillstore-jk.fly.dev/skills/543833dc166870684c9502a24a3a18345caf152831461034)
- Assess a pitch’s news value: Decide whether a company announcement or current-event angle is worth pitching, using evidence, beat relevance, timing and standing. Return a reasoned pitch, revise or hold recommendation with clear gaps. (creator method, https://skillstore-jk.fly.dev/skills/897085e4c8953a9b214e52815e591b2fc3209dbf0dc85e5a)
- Fact-check a PR draft: Extract consequential factual claims from PR copy, verify each against accessible evidence and produce a claim ledger with citations and unresolved gaps. Use before relying on or sending a journalist-facing draft. (creator method, https://skillstore-jk.fly.dev/skills/0bb50494e044924fe27aae0e362e443cf2004474b5b2917e)
- Critique a press pitch: Review a press pitch or release with a concrete editorial rubric, quote the weakest lines and propose a better opening. Use for a direct PR critique while preserving the writer’s facts and voice. (creator method, https://skillstore-jk.fly.dev/skills/9f0837d26a613515e6a3177dd3976f2d1cca5c953a29b93d)
- Find distinct story angles: Turn a concrete company update into distinct journalist-shaped story angles, with a real protagonist, timing, proof needed and refused alternatives. Use before writing a press pitch, not for generic landing-page copy. (creator method, https://skillstore-jk.fly.dev/skills/ad8ee2eb6d0aa075211ae999534911b26e08a9c3abdfa0e5)
- Audit a consumer app's path to first value and sharing: Audit an existing consumer app's first-value and friend-invitation journey using its actual screens, acquisition promise and funnel evidence. Find unnecessary steps, inconsistent community context and sharing friction; propose a bounded ac… (creator method, https://skillstore-jk.fly.dev/skills/d66c4b539b05113250fc68ecbb54bf0c18a4fd7c25326cd8)
- Collect independent judgments before a decision meeting: Prepare a group decision by collecting each person's estimate or ranking privately before discussion. Preserve disagreement in a comparison table and build the meeting around uncertainties, with a named decision owner. Not a status meeting… (creator method, https://skillstore-jk.fly.dev/skills/6bd5ede8dddadb382e35d92cc3f077006bd773601865efcf)
- Turn a premortem into stopping criteria: Before a project or deal creates sunk-cost attachment, turn foreseeable failure signals into observable stopping, probing or escalation criteria with owners and review dates. Not a retrospective or a statistical stopping-rule calculation. (creator method, https://skillstore-jk.fly.dev/skills/10fb635e7184193511073274dc30dcf8b33e5420cffd1666)
- Prepare a difficult feedback conversation: Prepare one difficult interpersonal feedback conversation with a colleague or manager: check permission and intent, describe observed behavior, acknowledge nervousness and invite their perspective. Not formal performance ratings, harassmen… (creator method, https://skillstore-jk.fly.dev/skills/d34e2c9148abcab07b07098fd7e820335b4351b79b36cf2d)
- Turn disagreement with a decision into a testable assumption: Unpack a leadership decision you doubt into assumptions, evidence and one specific disagreement. Prepare a clarifying conversation with the decision owner and a small hypothesis test you can genuinely commit to. Not personal career advice… (creator method, https://skillstore-jk.fly.dev/skills/82e4eed391bba18c688c2753021a63d106acc40268f4da81)
- Build a first product-qualified-account rule: Design an account-level product-qualified-account (PQA) rule from observed product usage and existing hand-raisers. Compare signals, choose provisional entry/exit thresholds and check buyer presence before sales outreach. Not individual le… (creator method, https://skillstore-jk.fly.dev/skills/036500903650e6a77ed4672de636bd55ff32a63195d89445)
- Decide whether a self-serve product is ready for sales: Assess whether a self-serve SaaS should add a product-led sales motion using organic enterprise demand, account economics, buyer segment and company-level value. Produce a go/not-yet/no memo before the first sales hire. Not sales compensat… (creator method, https://skillstore-jk.fly.dev/skills/4bdb36e2fbeb166272ac25de785f96db23fdcb0d8ecec539)
- Check whether a feature decision is really reversible: Review a proposed feature or integration called small and reversible before committing engineers: unwind costs, customer promises, demand, differentiation and distribution. Produce a one-page go/hold/decline memo. Not backlog ranking, code… (creator method, https://skillstore-jk.fly.dev/skills/6810403873fc18c503a1e872bfaacfa4f2fc808214758da7)
- Rewrite a job description around real work: Rewrite an existing job description from vague degrees, tenure and tool requirements into the experiences, responsibilities and progress the role actually needs. Preserve supplied pay, location and legal constraints; do not invent success… (creator method, https://skillstore-jk.fly.dev/skills/eef8fe28c8698ef8b882e9e20ec04a7b2253a90caa26e939)
- Set up recurring customer-interview recruiting: Design weekly customer-interview recruiting for a product team: a shared calendar slot, targeted in-product opt-in, scheduling handoff and sales/support referral prompt. Produces a setup plan and booking log, not interview questions or one… (creator method, https://skillstore-jk.fly.dev/skills/9a2fed3e5550badc4124ed28701c8efab99ad9d00bcf048b)
- Turn positioning into a first-call B2B sales pitch: Build a first-call B2B sales pitch from agreed positioning: compare buying alternatives, agree ideal-solution criteria with the buyer, then map differentiated value to demo proof. For founders or salespeople with closed-deal experience; no… (creator method, https://skillstore-jk.fly.dev/skills/7dca9ffa3b27cc7c34b191e99b2e6e99e0835035299ab848)
- Idea Refine: turn an idea into a clear concept: Refines raw ideas into sharp, actionable concepts through structured divergent and convergent thinking. Use when an idea is still vague, when you need to stress-test assumptions before committing to a plan, or when you want to expand optio… (creator method, https://skillstore-jk.fly.dev/skills/910953f99baf1636c31153a98f380636ed651920cc3f9960)
- Grilling: stress-test a plan: Grill the user relentlessly about a plan, decision, or idea. Use when the user wants to stress-test their thinking, or uses any 'grill' trigger phrases. (creator method, https://skillstore-jk.fly.dev/skills/487d8f533213cf5e3ce907a9396e1b7a69e2c1495b05c1ca)
- Practice interview answers under pressure: Practice one real interview story at different answer lengths, then handle skeptical, clarifying or pivoting follow-ups. Get specific feedback on recovery, adaptation and coherence without inventing achievements. (creator method, https://skillstore-jk.fly.dev/skills/1bcf6e8280ee5694c547bd96fef1f9a49153dec03105ed2e)
- Choose a service delivery model: Choose between self-service, guided and done-for-you delivery using customer effort, provider capacity and cost. Compare feasible hybrids and identify what to test before adding service tiers. (creator method, https://skillstore-jk.fly.dev/skills/b672376762f6a65f3920f094a7f3647fad7b56095ec271f6)

## Explore the library
https://skillstore-jk.fly.dev/explore (admitted library methods and published creator skills, with instructions available through Skillstore)
find_skill searches these methods; creator candidates include exact get_creator_method retrieval arguments.
Source attribution does not imply creator endorsement. Discovery does not establish task fit or successful use.

## Terms
https://skillstore-jk.fly.dev/terms