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Molecule names or SMILES to 2D structures, reactions, mechanisms, spectra - offline via RDKit.
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Science and research Official MCP Registry · PyPI Local APACHE-2.0
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160K deductive JSON persona constraints. 0 drift breaks in 120 turns. Free API, no key.
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Utilities Official MCP Registry · PyPI Local MIT
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Chinese NLP toolkit for MCP: segmentation, pinyin, keywords, sensitive words. Offline via stdio.
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Utilities Official MCP Registry · PyPI Local MIT
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Multi-tenant Telegram gateway for AI agents — HTTP+stdio, 8 tools, MTProto User API
100% up · 30 days
Communication and chat Official MCP Registry · PyPI Local Remote MIT
LO
Localstack io.github.localstack/localstack-mcp-server A LocalStack MCP Server providing essential tools for local cloud development & testing
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Developer tools Official MCP Registry · npm Local APACHE-2.0
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Pre-flight query cost and result-size guardrails for AI agents on BigQuery, Snowflake, Databricks
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Data warehouses and analytics Official MCP Registry · PyPI Local MIT
GS
Gsc io.github.mikusnuz/gsc MCP server for Google Search Console & Indexing API — search analytics, sitemaps, URL inspection
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Marketing and SEO Official MCP Registry · npm Local MIT
NP
Npm io.github.mikusnuz/npm MCP server for npm package management — publish, version, search, audit, and more
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Developer tools Official MCP Registry · npm Local MIT
JS
JsonFabrica io.github.ms-methos/jsonfabrica-mcp-server Generate realistic, relational synthetic JSON test data from templates, via the JsonFabrica API.
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Utilities Official MCP Registry · npm Local MIT
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Secure local-first MCP server for licensed ArcGIS Pro and ArcPy on Windows.
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Maps and location Official MCP Registry · PyPI Local APACHE-2.0
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Search Console analytics, hourly data, URL inspection and sitemaps, with guards for API quirks.
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Marketing and SEO Official MCP Registry · PyPI Local MIT
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Fast local Apple Mail MCP: indexed search, full-text bodies, verified sends, triage. macOS.
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Email Official MCP Registry · PyPI Local MIT
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Generic markdown vault MCP with hybrid search
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Office documents and spreadsheets Official MCP Registry · PyPI Local Remote MIT
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Scan, enumerate, and risk-score every MCP server configured on your machine.
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Other Official MCP Registry · PyPI Local MIT
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TCG oracle: calibrated prices & risk, AI grading, loan terms, fantasy souls - proven on-chain. 23 to
91.6% up · 30 days
Finance and payments Official MCP Registry · PyPI Local Remote BSL-1.1
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A Model Context Protocol server for Windows crash dump analysis using WinDbg/CDB
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Operating system and shell Official MCP Registry · PyPI Local Remote MIT
WO
Workspace io.github.taylorwilsdon/workspace-mcp Google Workspace MCP server for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Tasks, Chat.
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Office documents and spreadsheets Official MCP Registry · PyPI Local MIT
UP
Upstash io.github.upstash/mcp-server No longer maintained. Use the remote Upstash MCP server: https://mcp.upstash.com/mcp
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Other Official MCP Registry · npm Local MIT
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Let an AI agent read and trade a MetaTrader 5 account over MCP, behind a human-approval gate.
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Finance and payments Official MCP Registry · PyPI Local MIT
RA
RAWThink io.github.ygtalp/rawthink-mcp Persistent memory for AI thinking partnerships: hybrid search and a temporal knowledge graph.
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Memory and context Official MCP Registry · PyPI Local MIT