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Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving.
claude_desktop_config.json at the path for your OS.~/Library/Application Support/Claude/claude_desktop_config.json~/.config/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonEvery server page builds a ready-to-paste JSON config for Claude Desktop.
Servers that can be installed in this client.
Local-first offline 术数/占星 (Horosa 星阙): 110 technique tools, all computed on your machine.
Probes vector-database endpoints for unauthenticated exposure of embeddings/RAG data
Scans LLM/agent code for Unbounded Consumption / denial-of-wallet risks (OWASP LLM Top 10 2026 #6)
Guardrail for AI agents on SQL Server: statement blocking, optional read-only mode and an audit log.
MCP gateway: many servers, one policy, lethal-trifecta blocking, PII masking, audit log
Checks declared npm/PyPI dependencies against real registries to catch slopsquatting
Scans files for leaked secrets and API keys
Baselines an MCP server's tools and detects tool-definition changes after approval
Read a personal Telegram account over MTProto; every write is a plan a human applies.
Catches leaked credentials and PII in outbound LLM prompts
Read, audit and edit Warcraft III maps byte-faithfully
Public statistics for Ireland and the UK: housing, crime, health, economy, welfare, with caveats.
Solana chain status from the public RPC. No key required.
Visible Electron browser driven by a semantic accessibility tree: 17 MCP tools, no screenshots.
AI-safe credential broker for MCP — run saved SSH/MySQL/psql aliases; passwords never reach AI.
Search 5,000+ live empty leg flights, get charter estimates and booking links. Free, no API key.
Student-focused Canvas LMS: 209 tools for grades, deadlines, submissions and study planning.
Project context for Cursor/Claude via stdio MCP. Key: www.neither.online/start
Design transformer LLM architectures and report their parameters, FLOPs, memory and cost
Breach, SIM swap, infostealer, domain lookalikes, MCP registry risk, prompt-injection detection.
Create, launch, check and drive Nullprint multi-profile browser profiles from any MCP agent.
Measure the matches your exact join is silently dropping, and get the rule that fixes each.
Look up SWIFT and BIC bank codes from a bundled directory. No network and no key.
Swiss rail from transport.opendata.ch. No key required.