Anthropic lists plugins, oc browses pages, PlannerCritic flags defects

Sunday, 23 August 2026

Anthropic opened a read-only community plugin marketplace for Claude Cowork and Claude Code, while oc and fastCRW give agents lighter ways to browse and scrape the web.

On the process side, a 157-goal field test of PlannerCritic found recurring planner defects that a bigger model failed to remove.

🧩Anthropic lists community agent

GitHub·★ 629·114 forks

Anthropic’s read-only marketplace mirrors approved community plugins for Claude Cowork and Claude Code, with nightly synchronisation from review.

Bigger Picture

Marketplace review keeps plugin trust intact

Nightly sync from Anthropic's review pipeline means approved plugins carry a consistent trust baseline before we install them locally.

Top VotedAnthropicClaudeAgents

🧪Validate plans before execution

Dev.to·2 min read

A 157-goal PlannerCritic field test found 132 blockers in three recurring defect families, while a larger model did not remove the pattern.

Bigger Picture

Bigger models did not fix planner defects

132 blockers across three defect families persisted even with a larger model, arguing for deterministic dependency and sequencing checks.

Follow-UpAgentsEvalsTesting

Yesterday's Sentiment/Cautiously optimistic

Infrastructure gains, planning caution persists

Today's releases lean practical: a curated plugin marketplace and lighter web-browsing tools for agents suggest steady tooling maturity. The PlannerCritic findings temper enthusiasm, showing that scaling model size alone does not resolve structural planning defects, which keeps sentiment measured rather than triumphant.

🔗Chain Claude with Gemini

GitHub·★ 179·5 forks

NoBuzz adds a Claude Code /debuzz skill that runs Claude’s last response through Google’s Antigravity CLI, which uses Gemini to rephrase it in…

Deep DiveClaudeGeminiAgents

🕷️Scrape sites with fastCRW

GitHub·★ 667·47 forks

fastCRW is a Rust scraper, crawler and search API offering local or managed operation, MCP support and Firecrawl-compatible endpoints.

Bigger Picture

Rust scraper adds MCP exposure

fastCRW's local or managed modes plus Firecrawl-compatible endpoints let us expose scraping and crawling directly to agents via MCP.

Under The Radar

RustMCPAgents

🌐Browse pages through compact

GitHub·★ 120·1 forks

only-cli/oc turns websites into compact numbered CLI views, helping Claude Code, Codex and Antigravity browse without raw HTML overhead.

Bigger Picture

Numbered views cut agent token overhead

oc's numbered read and action commands replace raw HTML fetching, but outputs still need untrusted-data handling before agents act on them.

Deep DiveCLIAgentsClaude

📱InstaReply Bot answers DMs

Dev.to·2 min read

InstaReply Bot is an open-source Android app that reads Instagram DM notifications, applies rules and sends AI replies without storing credentials.

Takeaway

We can prototype notification-driven Android automation with Notification Listener, user rules and Groq, Gemini, OpenRouter or OpenAI-compatible APIs.

KotlinAndroidOpen SourceAI Workflows

Learn/Multiple Mentions

What are AI workflows in practice?

AI workflows connect models, rules and tools into repeatable tasks. InstaReply Bot and NoBuzz show how devs can chain steps with explicit control.

PipelinesOrchestration

Learn/Core Concept

How does classifier-free guidance work?

Classifier-free guidance steers image generation by combining conditional and unconditioned predictions, without a separate classifier. It gives devs a simple quality-control knob in diffusion pipelines.

DiffusionConditioning

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