Ask if an action is safe before your agent runs it: injection, shell, MCP installs. Free samples.
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Claude Desktop reads mcpServers from claude_desktop_config.json. Restart the app after saving. Claude Desktop can run a local process over stdio or a remote HTTP or SSE endpoint. The config is JSON and the file to edit is claude_desktop_config.json. MCPpedia currently has 42982 published MCP servers have an install config for Claude Desktop. The highest trust scores right now are Repowise at 83, Firecrawl MCP Server at 77, Martin Loop at 77. Open a server and copy the Claude Desktop tab, then fill in secrets yourself. MCPpedia never stores those values.
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.
Published servers with an install config for Claude Desktop.
Ask if an action is safe before your agent runs it: injection, shell, MCP installs. Free samples.
Transactional write gate for coding agents: plan, canonical manifest, checks, two-phase apply.
Helm charts and cloud native packages from Artifact Hub. No key required.
Scans MCP tool definitions for hidden instructions and confused-deputy sinks
Stolen bike reports from Bike Index. No key required.
Codeforces competitive programming API: contests and user info. No key required.
Parse, describe, and compute next runs for cron expressions locally. No network and no key.
MCP server for Lake Shore Cryotronics 335/336/350 temperature controllers.
Deribit derivatives exchange: index prices, tickers, and supported indexes. No key required.
MCP server for Mettler Toledo laboratory balances (MT-SICS): weigh, tare, zero, log drift, adjust.
Search research articles and datasets on Figshare. No key required.
Check products, credentials, claims, and agents against NPC Labs verification records.
Local-first knowledge engine for AI agents: memory, graph, and recall over MCP.
Placeholder JSON test data. No key required.
Autonomous spec-to-product coding-agent CLI with an MCP server exposing 39 tools over stdio.
MCP server exposing Actual Budget accounts, transactions, budgets and reporting to LLM assistants.

AI agents use your Obsidian secrets by name — values never reach their context.
MCP server for Sartorius laboratory balances (SBI protocol).
Finds PII and credentials in PDFs, screenshots and scanned documents
Local job-search tracker: roles, a status machine with evidence, rules, interviews, daily reports.
Spanish company data: CIF lookup, BORME, directors, KYB, sanctions and open public tenders.
Certificate transparency lookups from Cert Spotter. No key required.
Open-source SEC EDGAR toolkit — 13 tools, 7 prompts, every filing type. No API key required.
Global health indicators from the WHO Global Health Observatory. No key required.