Tech Radar

Curated list of MCPs, plugins, and hooks evaluated in practice.

Ring	Meaning
Adopt	In production, predictable behavior
Trial	Actively tested, value likely
Assess	To explore, not enough hindsight
Hold	Identified issues — do not generalize

Adopt

• context7 MCP

  Fetches up-to-date library documentation from source. Replaces web search for versioned libraries (Leptos, Tokio…).

Trial

• LSP Plugin

  Language server integration — type info, diagnostics, cross-file navigation on large codebases.

  ⚠ LSP server can fall out of sync after large refactors. Restart the server to recover.

• RTK Hook

  CLI proxy that filters command output to reduce token consumption on repetitive dev operations.

  ⚠ Over-filtering on some commands causes Claude to rerun them differently, negating the savings.

Assess

• Serena MCP

  Symbol-aware code intelligence via LSP as MCP tools (find_symbol, insert_after_symbol…). Potential replacement for the LSP plugin.

• Playwright MCP

  Browser automation — navigation, clicks, screenshots, network interception. Cross-browser, test-oriented.

• Chrome DevTools MCP

  Low-level browser access via CDP — console logs, network inspection, performance tracing. Complements Playwright for debugging.

• markitdown MCP

  Converts PDF, Word, Excel, HTML, images to Markdown for LLM consumption.

• github MCP

  PR management and issue tracking from Claude. Caution — actions are visible to others.

• postgres / mongodb MCP

  Direct database queries. Useful for debugging and migration validation. Read-only access recommended.

Hold

• sequential-thinking MCP

  Forces step-by-step decomposition. Sonnet and Opus already do this natively — adds token overhead with no observed benefit.