New7 min read
REA vs leanrea: Skill or MCP for Reverse Engineering Agents?
leanrea is an 8 KB skill pitched as a replacement for the REA (Reverse Engineer Anything) MCP server. What its benchmark shows, what it skips, and which to install.
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MCP
87 articles
LATEST
MCP Client Features: Sampling, Elicitation and Roots Explained
MCP sampling, elicitation and roots explained against the 2026-07-28 spec, with JSON-RPC examples and which of 24 clients support each one.
•13 min read
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New15 min read
How to Publish a Plugin to the Claude Directory (Developer Portal Guide)
Submit a plugin to the Claude directory: validate it, clear the security scan, publish, and read 90 days of usage analytics. Needs a paid plan.
New14 min read
ChatGPT Plugin Extensions: Sidebar Apps, Panels and File Editors
ChatGPT plugins can now add sidebar apps, side panels, file editors and native forms. How openai/ui entrypoints work, with type-checked code.
New12 min read
ChatGPT MCP Events: Start Work Tasks From Gmail, Slack, GitHub
How to start ChatGPT Work tasks from Gmail, Slack, GitHub and your own MCP server events: setup steps, the 30-runs-per-hour cap and signed webhook code.
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New11 min read
Claude API Inline Tool Definitions: Add Tools Mid-Conversation
Claude API inline tools beta: define, reshape or upgrade a tool mid-conversation with one system message and keep the prompt cache. Code included.
New13 min read
Codex MCP Server Removed: How to Migrate to the App Server
codex mcp-server is gone as of Codex CLI 0.154.0. Here is how to move an integration to the experimental app server and its JSON-RPC protocol.
New12 min read
Custom GPTs Retire Dec 11, 2026: How to Migrate to Plugins
Custom GPTs retire Dec 11, 2026. Instructions and files migrate to a ChatGPT plugin automatically; custom actions do not. Here is the developer plan.
New14 min read
What's New in Mastra (Late 2026): Harness, AgentController GA, Eval Gates and MCP 2.x
Mastra in late 2026: goals, schedules, signals, AgentController GA, eval gates and MCP 2.x, with type-checked TypeScript examples and honest tradeoffs.
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New13 min read
MCP vs A2A vs Function Calling: Which Layer Does What in 2026
MCP vs A2A vs function calling compared on the 2026-07-28 MCP spec and A2A 1.0: what each protocol does, where they overlap, and how to stack them.
New20 min read
Pydantic AI V2 in Late 2026: Capabilities, Graphs, Evals and MCP
Pydantic AI V2 explained through v2.59.0: capabilities, typed output, Conversation storage, caching, graphs, evals, MCP Apps and Logfire, with checked code.
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New7 min read
Reverse Engineer Anything (REA): What the MCP Server Does and Where the Line Is
REA (Reverse Engineer Anything) is an MIT-licensed MCP server that lets Claude Code, Codex or Cursor inspect binaries, Electron apps and APKs. How to try it.
8 min read
Claude Opus 5.5 Built a Browser 3D World: The Higgsfield MCP Workflow
Claude Opus 5.5 and Higgsfield MCP built an interactive 3D Library of Alexandria in the browser. The verified connector setup and where the workflow holds up.
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