# theseus-run > Open-source publisher. Listings imported from github.com/theseus-run — credited to the original author with their license. - **Listings:** 29 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/theseus-run - **Website:** https://github.com/theseus-run ## Published listings - [Effect Errors Schema](https://agentstack.voostack.com/l/skill-theseus-run-theseus-effect-errors-schema) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-effect-errors-schema` Use when modeling Effect errors, defects, Cause handling, Schema contracts, Schema.TaggedErrorClass, boundary decoding/encoding, RPC/tool/persistence validation, and typed failure recovery in Theseus. - [Effect Testing Runtime](https://agentstack.voostack.com/l/skill-theseus-run-theseus-effect-testing-runtime) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-effect-testing-runtime` Use when testing or verifying Effect code in Theseus, including Effect.runPromise boundaries, test layers, fake services, deterministic time, config providers, stream/fiber tests, and runtime edge behavior. - [Dispatch Satellite](https://agentstack.voostack.com/l/skill-theseus-run-theseus-dispatch-satellite) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-dispatch-satellite` Use when working on the Theseus dispatch loop, dispatch store, tool-call execution, satellite middleware, dispatch events, or intervention policy in packages/theseus-core/src/dispatch and packages/theseus-core/src/satellite. - [Docs Reading](https://agentstack.voostack.com/l/skill-theseus-run-theseus-docs-reading) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-docs-reading` Use before coding or reviewing Theseus runtime, primitive, server, client, or architecture changes when docs may define the intended boundary, status, or domain vocabulary. - [Effect Services Layers](https://agentstack.voostack.com/l/skill-theseus-run-theseus-effect-services-layers) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-effect-services-layers` Use when defining or wiring Effect services in Theseus, including Context.Service, service interfaces, Layer.effect/succeed/mergeAll/provideMerge, dependency graphs, runtime construction, and test seams. - [Roadmap Management](https://agentstack.voostack.com/l/skill-theseus-run-theseus-roadmap-management) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-roadmap-management` Use when creating, updating, reviewing, or promoting Theseus roadmap items, including public roadmap notes, internal roadmap status maps, planning lanes, GitHub issue readiness, and OSS roadmap hygiene. - [Bun Workspace](https://agentstack.voostack.com/l/skill-theseus-run-theseus-bun-workspace) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-bun-workspace` Use when working with Bun package management, Bun workspaces, bun.lock, package scripts, Bun runtime APIs, Bun build commands, or Node/npm-to-Bun command translation in this repo. - [Effect V4](https://agentstack.voostack.com/l/skill-theseus-run-theseus-effect-v4) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-effect-v4` Effect v4 (beta.50) API — curried Layer forms, gen without adapter, Schema in main package, catch (not catchAll), Context.Service (not ServiceMap). Use whenever writing or reviewing Effect code in this repo. - [Effect Concurrency Lifecycle](https://agentstack.voostack.com/l/skill-theseus-run-theseus-effect-concurrency-lifecycle) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-effect-concurrency-lifecycle` Use when working with Effect Fiber, Deferred, Scope, Queue, PubSub, Stream, interruption, background loops, graceful shutdown, backpressure, races, or bounded concurrency in Theseus. - [Docs Management](https://agentstack.voostack.com/l/skill-theseus-run-theseus-docs-management) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-docs-management` Use when editing the Theseus docs vault under docs/, including adding, moving, splitting, renaming, archiving, cross-linking, changing doc status, or restructuring section indexes. - [Testing Patterns](https://agentstack.voostack.com/l/skill-theseus-run-theseus-testing-patterns) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-testing-patterns` Use when adding, refactoring, reviewing, or debugging tests in Theseus, especially package-local test placement, characterization tests, Effect service tests, fixtures, mocks, and deciding how broad verification should be. - [Tool Authoring](https://agentstack.voostack.com/l/skill-theseus-run-theseus-tool-authoring) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-tool-authoring` Use when creating, modifying, reviewing, or debugging Theseus Tool primitives or concrete tools in packages/theseus-core/src/tool and packages/theseus-tools. - [Theseus Design](https://agentstack.voostack.com/l/skill-theseus-run-theseus-theseus-design) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-theseus-design` A Claude skill from theseus-run/theseus. - [Ui Layout Discipline](https://agentstack.voostack.com/l/skill-theseus-run-theseus-ui-layout-discipline) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-ui-layout-discipline` Use when building, changing, or reviewing UI layouts in Theseus or Icarus, especially data-dense dashboards, tables, calendars, matrices, cards, and cells with optional labels, badges, metrics, or status text. - [Biome Tooling](https://agentstack.voostack.com/l/skill-theseus-run-theseus-biome-tooling) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-biome-tooling` Use when running, interpreting, or modifying Biome linting/formatting/import organization in this repo, including biome.json, Grit plugins, formatting fixes, and lint failures. - [Cleanup Audit](https://agentstack.voostack.com/l/skill-theseus-run-theseus-cleanup-audit) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-cleanup-audit` Use after substantial edits, refactors, moves, generated changes, or long agent sessions to find leftovers, stale stubs, unused imports, accidental compatibility artifacts, and trash files. Remove only confirmed non-behavioral leftovers; report anything that may affect compatibility or runtime behavior before changing it. - [Bun Test](https://agentstack.voostack.com/l/skill-theseus-run-theseus-bun-test) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-bun-test` Use when creating, modifying, debugging, or running Bun tests with bun:test, including package-local test commands, async tests, mocks, spies, snapshots, and Effect.runPromise test boundaries. - [Typescript Strict](https://agentstack.voostack.com/l/skill-theseus-run-theseus-typescript-strict) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-typescript-strict` Use when writing, refactoring, reviewing, or debugging strict TypeScript in this repo, including tsconfig paths, package exports, typecheck failures, unknown vs any, readonly data, module boundaries, and Effect language-service diagnostics. - [Effect Observability Time](https://agentstack.voostack.com/l/skill-theseus-run-theseus-effect-observability-time) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-effect-observability-time` Use when adding or reviewing Effect time, retry, timeout, Clock/Duration, logging, tracing spans, metrics, Config, ConfigProvider, Redacted secrets, or operational observability in Theseus. - [Monorepo Maintenance](https://agentstack.voostack.com/l/skill-theseus-run-theseus-monorepo-maintenance) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-monorepo-maintenance` Use when changing package boundaries, splitting or moving modules, shaping public exports, naming APIs, reducing large files, or reviewing repo structure and maintainability in Theseus. - [Agent Self Check](https://agentstack.voostack.com/l/skill-theseus-run-theseus-agent-self-check) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-agent-self-check` Use before finishing coding work or after deterministic check failures, including lint/typecheck/test loops, interpreting diagnostics as just-in-time prompts, and deciding whether repeated agent mistakes should become stricter rules. - [Server Runtime](https://agentstack.voostack.com/l/skill-theseus-run-theseus-server-runtime) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-server-runtime` Use when working on packages/theseus-server RPC/HTTP process assembly, runtime layer wiring, server handlers, provider configuration, or server-side serialization. - [Biome Grit Rules](https://agentstack.voostack.com/l/skill-theseus-run-theseus-biome-grit-rules) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-biome-grit-rules` Use when creating, reviewing, or modifying custom Biome Grit plugins in plugins/*.grit, especially deterministic agent-correction rules for stale Effect v3 patterns, local style hazards, and diagnostic messages that tell agents what to do next. - [Jsx Md Beautiful Mermaid](https://agentstack.voostack.com/l/skill-theseus-run-theseus-jsx-md-beautiful-mermaid) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-jsx-md-beautiful-mermaid` Render Mermaid diagrams as ASCII/Unicode art inside @theseus.run/jsx-md components. Use when adding a component to a .tsx file that renders Markdown via render(), or when a prompt or document needs a diagram rendered as terminal-friendly ASCII art. - [Refactoring Discipline](https://agentstack.voostack.com/l/skill-theseus-run-theseus-refactoring-discipline) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-refactoring-discipline` Use when intentionally restructuring, splitting, renaming, replacing, or reducing complexity in this POC/WIP repo, especially when choosing a clean single path over compatibility, stale aliases, or parallel implementations. - [Runtime Engine](https://agentstack.voostack.com/l/skill-theseus-run-theseus-runtime-engine) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-runtime-engine` Use when working on packages/theseus-runtime runtime host, command/control/query contracts, systems, sinks, projections, active dispatch registry, tool catalog hydration, SQLite runtime stores, snapshots, or runtime tests. - [Jsx Md Authoring](https://agentstack.voostack.com/l/skill-theseus-run-theseus-jsx-md-authoring) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-jsx-md-authoring` Use when writing or modifying JSX-MD prompt components, Markdown-rendering primitives, XML intrinsic prompts, or packages/jsx-md and packages/jsx-md-beautiful-mermaid behavior. - [Jsx Md](https://agentstack.voostack.com/l/skill-theseus-run-theseus-jsx-md) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-jsx-md` Write agent instructions, SKILL.md files, and LLM prompts as typed JSX/TSX components using @theseus.run/jsx-md. Use when creating or editing .tsx files that render Markdown strings via render(), authoring jsx-md components, or working with the jsx-md primitives, Context API, or XML intrinsics. - [Code Review](https://agentstack.voostack.com/l/skill-theseus-run-theseus-code-review) — Skill · Free · security-reviewed — `agentstack add skill-theseus-run-theseus-code-review` Use when reviewing code changes in Theseus, especially to find defects, behavioral regressions, missing tests, weak type modeling, stale compatibility leftovers, and agent-generated implementation artifacts. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.