"Creating the Best General-Purpose Agent" matching MCP servers:

Skill librarian for coding agents: describe a task and get the few matching skills from a large local skill collection, then report whether they worked. Runs locally with Ollama and SQLite.

Enables AI clients to search curated, cited knowledge bases built from founders', CEOs', and investors' public talks, essays, and posts, returning passages with source links and dates. It also exposes available source collections via MCP tools so users can ask how those individuals might approach business, product, or growth questions.

The Wyze blog: guaranteed rent, temporary accommodation and lettings guides for UK letting agents.

Enables searching ServiceNow's public best-practices library across content types without authentication.

Enables searching and retrieving articles, sections, and tags from The Guardian via the Guardian Open Platform API.

Enables searching Bluesky, Substack, and Hacker News content via structured APIs with optional x402 micropayments or API key authentication.

Read-only MCP server that proxies The Game Pensieve API over Streamable HTTP, letting AI assistants query a personal game collection via tools like search, filters, and summaries. Supports OAuth 2.1 enforcement and owner-scoped access.

An MCP server that enables AI agents to verify facts, check market and on-chain data, search the web, and run AI text tasks through five general-purpose tools, with pay-per-call USDC settlement on Base via x402 and no API key required.

Enables agents to publish and search index records with custom keywords over libp2p, connecting to the Agent Index Network for decentralized peer discovery and querying.

Agent-first headless CMS running as a Cloudflare Worker, providing MCP servers for schema/content management and editorial operations.

Enables AI agents to search and modify a personal knowledge base through OAuth-secured MCP tools, covering Obsidian vaults and Google Drive mirrors with semantic search, note read/write operations, audit logging, and eval-gated local classification.

Enables AI agents to run reproducible, high-recall literature search across seven source families with RRF fusion, fetch open-access full texts (falling back to abstracts), expand citations, export BibTeX/RIS, and audit reference coverage — all without any LLM API key, leaving query planning and writing to the agent. Multiple agent clients share one accumulating literature pool and background search jobs that keep running after sessions close.

Enables AI assistants to search checked US roofing, siding, and gutter contractors by city and trade, and to retrieve individual contractor profiles with contact details, claimed status, and ratings. Read-only, requires no login or API key, and filters out closed or unlisted businesses.

Enables querying verified AI agent news with citations and confidence scores. Provides tools for search, Q&A, article retrieval, and recommendations about AI agent tools, MCPs, and frameworks.

MCP server for Agent Reputation, enabling agent buyers to examine candidate agents' claims, outcomes, and independent sources, and to order evidence briefs before purchase.

Enables AI agents to search and retrieve UK company data, including company details by Companies House number, group ownership structures, website associations, and Real-Time Industrial Classification definitions.

Enables AI agents to read and write a local-first Markdown/Obsidian notebook via a single capture call that routes text into the right notebook, board, or daily journal entry and returns related notes, alongside search, note and card management, and numeric metric series. Access is governed by per-agent tokens with read/write/admin scopes, optional folder restrictions, and an audit log of every action.

Enables a child to search a self-hosted picture-book shelf by creatures, themes, places, or colors, read one page at a time through Alexa+, repeat a page on "Again!", and bookmark or resume a reading across sessions.

Query breaking news, verified statistics, and editorial analysis from The Agent Times directly from any AI agent via MCP.

Enables AI agents to query breaking news, verified statistics, and editorial analysis from The Agent Times, covering platforms, commerce, infrastructure, regulations, labor markets, and adoption metrics in the agent economy.

MCP server that exposes tools for natural-language querying of the Chinook SQLite database, enabling agents to discover schema and execute read-only SQL queries dynamically.

Free multi-source search for AI agents with multi-source verification, token savings, and MCP native support.

Enables MCP-compatible agents to perform web searches via the agent-web-search engine, returning ranked results with sources.

An MCP server for Perplexity's Agent API, enabling multi-step web research with citations through tools to start, collect, and cancel research runs.

Enables Cursor's AI agent to perform supercharged local file search on Windows by connecting to Agent Ransack via MCP, supporting content and filename searches, regex, and deep folder scans.

Enables MCP agents to perform native X (Twitter) searches with original-post citations and transparent usage tracking. Supports existing Grok login sessions or explicit xAI API billing without runtime dependencies.

Free multi-source web search server for AI agents, with confidence scoring and token optimization.

Provides local agent capabilities for LM Studio including file I/O, terminal execution, and web search.

Exposes tools that let an agent search a local Markdown-based memory store, fetch full cards by id, write new knowledge cards that are indexed immediately, and inspect or rebuild the SQLite index. All retrieval runs locally over Chinese-friendly full-text search with graded exact/prefix matching, so agents without a memory system can recall prior notes while existing Markdown files stay read-only.

An MCP server that integrates a ReAct agent with built-in tools (calculator, text, unit conversion, etc.) and the AnySearch search service, enabling autonomous multi-step task execution.