Jeff - DEV Community

Jeff

Oct 10

Your Agent Writes the PR Description, but It Only Tells You What the Code Does

#agenticcoding #codereview #ai #developerproductivity

1

3 min read

Jeff

Oct 10

Your Agent Keeps Asking the Same Question It Already Answered Last Session

#aiagents #contextengineering #vibecoding #developertools

3 min read

Jeff

Oct 10

Your Agent Will Refactor a Working Function and Quietly Drop the Edge Case

#aiagents #coding #refactoring #codequality

3 min read

Jeff

Oct 10

Your Agent Breaks the Dockerfile Because It Has Never Seen CI Run

#aicoding #devops #docker #ci

2 min read

Jeff

Oct 10

Long Agent Sessions Rot — Start Fresh Instead of Scrolling Back Up

#ai #webdev #productivity #career

3 min read

Jeff

Oct 10

Your AGENTS.md Should Survive a Tool Switch

#discuss #ai #agentic #productivity

4 min read

Jeff

Oct 10

Every Agent Task Should End With a Command You Can Run

#ai #agentic #testing #productivity

3 min read

Jeff

Oct 10

Stop Pasting Your Whole Repo Into the Agent

#ai #context #agentic #productivity

3 min read

Jeff

Oct 9

Your Agent Is Fixing Flaky Tests by Quietly Weakening Them

#ai #testing #agentic #codequality

1

4

3 min read

Jeff

Oct 9

Your MCP Server Is Wasting Your Agent's Context Window

#mcp #agentic #context #ai

1

2

3 min read

Jeff

Oct 9

Your AI Wrote a Test That Only It Can Pass

#aicoding #testing #agents #developertools

3 min read

Jeff

Oct 9

Your AI Review Bot Reviewed a Diff the AI Itself Wrote. That's Not a Review.

#ai #codereview #agentic #webdev

2

3 min read

Jeff

Oct 9

Your Agent Doesn't Need More Tokens. It Needs Fewer Wrong Files.

#ai #mcp #webdev #programming

2 min read

Jeff

Oct 9

When AI Starts Writing Your System, Who Tells It What 'Done' Means?

#ai #openapi #webdev #programming

1

3 min read

Jeff

Oct 9

Ask AI to Draw the Failure Path Before You Approve the PR

#ai #testing #webdev #api

3 min read

Jeff

Oct 9

Your API Bug Report Is Missing the Caller

#ai #api #debugging #testing

2 min read

Jeff

Oct 9

Give Your API Agent a Definition of Done

#ai #api #testing #webdev

3 min read

Jeff

Oct 9

Your JSON Is Valid. Your Content-Type Might Not Be.

#webdev #api #debugging #beginners

3 min read

Jeff

Oct 9

Your API Works in cURL. Why Does the Browser Reject It?

#webdev #api #debugging #beginners

3 min read

Jeff

Oct 9

MCP Connects Agents to Tools. A2A Connects Agents to Agents - Here's How to Debug It.

#ai #agents #api #tutorial

6 min read

Jeff

Oct 9

Turn an Existing REST API into an MCP Server Without Writing a Single Wrapper

#ai #mcp #api #tutorial

1

5 min read

Jeff

Oct 9

Stop Pasting API Docs into Your AI Coding Assistant. Give It an MCP Server Instead.

#ai #mcp #webdev #programming

1

5 min read

Jeff

Oct 9

I Scanned Dozens of Real Backends into OpenAPI. Here's Why the Naive Approaches Fail.

#webdev #opensource #api #ai

6 min read

Jeff

Oct 9

Stop Testing Your API With the Same Perfect Request

#testing #api #webdev #programming

1

3 min read

Jeff

Oct 9

The Most Useful API Review Starts With a Diff, Not a Demo

#discuss #api #programming #productivity

2

3 min read

Jeff

Oct 9

Your cURL Command Works. That Doesn't Make It API Documentation.

#api #webdev #programming #beginners

3 min read

Jeff

Oct 9

Your Cancel Button Might Only Be Canceling the Spinner

#javascript #webdev #api #ux

1

4 min read

Jeff

Oct 9

I Would Rather See Unknown Than an AI-Invented API Contract

#discuss #ai #api #programming

1

4 min read

Jeff

Oct 9

Your API Returned 200. Your Integration Is Still Broken.

#webdev #api #testing #programming

3 min read

Jeff

Oct 8

Validate HTTP requests and responses against OpenAPI at runtime: middleware, proxies, and fail-open vs fail-closed

#openapi #api #webdev #programming

6 min read

Jeff

Oct 8

A2A streaming and the task lifecycle: SSE progress updates, artifacts, and push notifications

#ai #agents #a2a #webdev

6 min read

Jeff

Oct 8

Multiple security schemes in OpenAPI: AND vs OR, optional auth, and per-operation overrides

#openapi #security #api #webdev

5 min read

Jeff

Oct 8

Health checks for APIs: /healthz, /readyz, /livez, version, and metrics in OpenAPI

#api #kubernetes #devops #webdev

5 min read

Jeff

Oct 8

OpenAPI docs renderers compared: Swagger UI, Redoc, Scalar, Stoplight Elements, and RapiDoc on one spec

#openapi #api #documentation #webdev

6 min read

Jeff

Oct 8

Enforce an API style guide in CI with Spectral: custom rules that stop bad OpenAPI before it merges

#openapi #api #webdev #programming

5 min read

Jeff

Oct 8

OpenAPI servers and server variables: local, staging, production, regions, and per-tenant hosts from one spec

#openapi #api #webdev #tutorial

5 min read

Jeff

Oct 8

operationId and tags in OpenAPI: naming conventions that keep generated SDKs and docs usable

#openapi #api #codegen #programming

5 min read

Jeff

Oct 8

Deprecating an API without breaking clients: Deprecation and Sunset headers, successor-version, and OpenAPI

#api #webdev #architecture #programming

5 min read

Jeff

Oct 8

File downloads in OpenAPI: CSV, PDF, ZIP, images, Content-Disposition, and non-JSON responses

#openapi #api #webdev #tutorial

5 min read

Jeff

Oct 8

Designing a search endpoint in OpenAPI: q, filters, sorting, sparse fieldsets, and pagination codegen understands

#openapi #api #webdev #programming

5 min read

Jeff

Oct 8

Long-running REST APIs: 202 Accepted, Location, job status polling, and webhooks in OpenAPI

#api #webdev #architecture #programming

5 min read

Jeff

Oct 8

Bulk and batch API endpoints: modeling create-many, partial success, and 207 Multi-Status in OpenAPI

#openapi #api #webdev #architecture

5 min read

Jeff

Oct 8

Idempotency-Key in practice: retrying POSTs safely, deduping concurrent requests, and documenting it in OpenAPI

#api #webdev #architecture #programming

5 min read

Jeff

Oct 8

Dates, times, and time zones in OpenAPI: date-time, date, duration, and the timezone mistakes that shift bookings

#openapi #api #webdev #tutorial

5 min read

Jeff

Oct 8

Modeling money and big integers in OpenAPI: int64 precision, decimal amounts, and why number fails for currency

#openapi #api #webdev #programming

5 min read

Jeff

Oct 8

readOnly and writeOnly in OpenAPI: one schema for create, response, and password fields

#openapi #api #typescript #webdev

5 min read

Jeff

Oct 8

OpenAPI additionalProperties: modeling maps, dictionaries, labels, and free-form objects without losing types

#openapi #api #typescript #webdev

5 min read

Jeff

Oct 8

Recursive and cyclic schemas in OpenAPI: self-referencing $ref for trees, nested comments, and graphs

#openapi #api #webdev #tutorial

5 min read

Jeff

Oct 8

OpenAPI enums vs const: closed lists, open-ended strings, and how to add a value without breaking clients

#openapi #api #webdev #programming

5 min read

Jeff

Oct 7

Optional, nullable, or omitted? Modeling missing data in OpenAPI 3.1 without lying to clients

#openapi #jsonschema #api #webdev

5 min read

Jeff

Oct 7

PUT vs JSON Merge Patch vs JSON Patch: modeling partial updates in OpenAPI without the null ambiguity

#openapi #api #webdev #programming

5 min read

Jeff

Oct 7

OpenAPI callbacks vs webhooks: modeling async request/reply with runtime expressions

#openapi #api #webdev #architecture

5 min read

Jeff

Oct 7

The JSON Schema constraints that actually work in OpenAPI: format, pattern, ranges, and what codegen and AI mocks do with them

#openapi #jsonschema #codegen #api

5 min read

Jeff

Oct 7

Model polymorphism in OpenAPI 3.1: oneOf, anyOf, allOf, and discriminator without breaking clients

#openapi #jsonschema #typescript #api

4 min read

Jeff

Oct 7

Document rate limits in OpenAPI so clients actually back off: 429, Retry-After, and rate-limit headers

#openapi #api #webdev #tutorial

1

5 min read

Jeff

Oct 7

Prevent lost updates with ETag and If-Match: optimistic concurrency in OpenAPI

#openapi #api #webdev #architecture

4 min read

Jeff

Oct 7

File uploads in OpenAPI: multipart/form-data, raw binary, and multiple files done right

#openapi #api #webdev #tutorial

5 min read

Jeff

Oct 5

Stop letting examples lie: make your OpenAPI spec the single source of truth for docs, mocks, and agents

#openapi #documentation #testing #webdev

4 min read

Jeff

Oct 5

REST API versioning in 2026: paths vs headers, additive changes, and OpenAPI diffs in CI

#api #versioning #openapi #webdev

3

4 min read

Jeff

Oct 5

Document API authentication in OpenAPI 3.1: Bearer, API keys, OAuth 2, and mTLS without the usual mistakes

#openapi #security #authentication #api

4 min read

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