specx-add-delivery-controller: Research & Knowledge for AI Agents | OpenAgentSkill

Overview

Add delivery controllers for specx services, especially FastAPI HTTP routes. Use when creating top-level `delivery/` request/response schemas, one controller per scoped use-case set, route registration, FastAPI lifecycle managers, HTTP error translation, delivery-only auth/rate-limit/request services, or integration tests that exercise the delivery edge.

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specx Add Delivery Controller

Use this skill at the framework boundary. Read references/controller.md before adding controller code.

Workflow

Put controllers under delivery/fastapi/controllers/<scope>.py.
Put request and response schemas under delivery/fastapi/schemas/.
Use one controller per scoped set of use cases, for example TasksController for create/get/list task routes.
Put controller-only helpers such as auth dependencies, rate limiters, and request-context readers under delivery/fastapi/services/.
Make controllers inherit BaseController, schemas inherit BaseFastAPISchema, delivery helpers inherit BaseDeliveryService, and FastAPI lifespan managers inherit BaseLifecycle[FastAPI].
Add docstrings with scope and a concrete Example: to controllers, schemas, and delivery services.
Inject use cases or delivery services with Injected[...]. A simple delivery-owned /healthz response needs no core workflow; inject core/health use cases when readiness checks a required external dependency or probe policy is reused across deliveries.
Map request schema/path data into the use case's same-file Command or Query input.
Call the use case.
Map the result into a response schema.
Declare the success status explicitly when it is not 200, such as 201 for a resource-creating POST or 204 for a response with no body.
Translate known application exceptions into stable, non-sensitive HTTP responses. Do not expose raw exception messages.
Register full public business route paths such as /api/v1/users. Do not split API prefixes across routers and route fragments. Operational probes are the only unversioned exception: /healthz and /readyz.
For FastAPI apps with long-lived resources, inject FastAPILifecycle into the app factory and pass it to FastAPI(lifespan=...).
Add integration tests at the HTTP boundary, including the declared success code and each translated application error.

Code Style

Use blank lines as logical separators in all code. Keep related statements together, but separate independent setup, action, assertion, response, branch, and transformation groups so long blocks stay readable.

References

references/controller.md - FastAPI controller class pattern, app factory registration, schemas, and tests.

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File metadata

name: specx-add-delivery-controller
description: Add delivery controllers for specx services, especially FastAPI HTTP routes. Use when creating top-level `delivery/` request/response schemas, one controller per scoped use-case set, route registration, FastAPI lifecycle managers, HTTP error translation, delivery-only auth/rate-limit/request services, or integration tests that exercise the delivery edge.

View original text

---
name: specx-add-delivery-controller
description: Add delivery controllers for specx services, especially FastAPI HTTP routes. Use when creating top-level `delivery/` request/response schemas, one controller per scoped use-case set, route registration, FastAPI lifecycle managers, HTTP error translation, delivery-only auth/rate-limit/request services, or integration tests that exercise the delivery edge.
---

# specx Add Delivery Controller

Use this skill at the framework boundary. Read `references/controller.md`
before adding controller code.

## Workflow

1. Put controllers under `delivery/fastapi/controllers/<scope>.py`.
2. Put request and response schemas under `delivery/fastapi/schemas/`.
3. Use one controller per scoped set of use cases, for example
`TasksController` for create/get/list task routes.
4. Put controller-only helpers such as auth dependencies, rate limiters, and
request-context readers under `delivery/fastapi/services/`.
5. Make controllers inherit `BaseController`, schemas inherit
`BaseFastAPISchema`, delivery helpers inherit `BaseDeliveryService`, and
FastAPI lifespan managers inherit `BaseLifecycle[FastAPI]`.
6. Add docstrings with scope and a concrete `Example:` to controllers, schemas,
and delivery services.
7. Inject use cases or delivery services with `Injected[...]`. A simple
delivery-owned `/healthz` response needs no core workflow; inject
`core/health` use cases when readiness checks a required external dependency
or probe policy is reused across deliveries.
8. Map request schema/path data into the use case's same-file `Command` or
`Query` input.
9. Call the use case.
10. Map the result into a response schema.
11. Declare the success status explicitly when it is not `200`, such as `201`
for a resource-creating `POST` or `204` for a response with no body.
12. Translate known application exceptions into stable, non-sensitive HTTP
responses. Do not expose raw exception messages.
13. Register full public business route paths such as `/api/v1/users`. Do not
split API prefixes across routers and route fragments. Operational probes
are the only unversioned exception: `/healthz` and `/readyz`.
14. For FastAPI apps with long-lived resources, inject `FastAPILifecycle` into
the app factory and pass it to `FastAPI(lifespan=...)`.
15. Add integration tests at the HTTP boundary, including the declared success
code and each translated application error.

## Code Style

Use blank lines as logical separators in all code. Keep related statements
together, but separate independent setup, action, assertion, response, branch,
and transformation groups so long blocks stay readable.

## References

- `references/controller.md` - FastAPI controller class pattern, app factory
registration, schemas, and tests.

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Skill instructions are recorded. This is not a runtime test, safety guarantee or compatibility certification.

Review before install: Avoid automatic install

License: MIT

Permission surface may require sandboxing
Quality score needs review
Permission surface needs review: secrets or environment access, shell or command execution
Stars/forks activity: 201 stars, 35 forks; issue activity unavailable in current metadata
Permission surface: secrets or environment access, shell or command execution

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Source repository: maksimzayats/specx
License: MIT
Version: 1.0.0
Last GitHub push: Aug 8, 2026
Registry updated: Sep 3, 2026
Instruction path: skills/specx-add-delivery-controller/SKILL.md @ 9362406cb839

Version reported in registry metadata; check source releases before relying on it.

Quality

67/100

Promising

Trust

65/100

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