KitScout

Free MCP servers you can try without an API key

12,155 remote MCP servers answered our daily check and returned a normal result from a read-only tool call with no API key, sign-in or payment. Paste the server URL into your client (for example Claude: Settings → Connectors → Add custom connector) and try it in a minute. Bulk-generated variants from a few publishers are left out of the lists below.

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By category

Web search engines & search APIs 1,133

E-commerce & marketplaces 901

Multi-agent, orchestration & workflows 789

Market data, stocks & crypto 729

Local services, company sites & directories 516

Maps, travel & weather 449

Games, entertainment & hobbies 312

Files, spreadsheets, CSV & PDFs 305

Research, papers & reference data 292

Models, LLM APIs, routing, serving, training & GPUs 278

Health, fitness & medical 273

Government & public data 267

Notes, docs & knowledge bases 259

Project & task management 238

Legal & compliance documents 214

Agent memory & context 198

Accounting & invoicing 177

Education & learning 171

Scraping, crawling & page-to-text 150

Marketing, ads & analytics 143

Business strategy, startups, product & careers 133

Code & dependency scanning 126

SEO & site audits 123

Library & API documentation lookup 109

Thinking, planning & prompt tools 104

Design tools (Figma, Canva...) 96

Payments & billing 93

Image generation & editing 86

Unusual, one-of-a-kind tools 74

Video creation & editing 72

Frontend, UI components & design-to-code 71

Code search, analysis, refactoring & languages 70

Audio, speech & transcription 67

SQL databases 66

Converters, validators, encoders & small utilities 58

Hardware, IoT, embedded & 3D printing 56

Science: biology, chemistry, physics & engineering 54

Cloud providers & infrastructure as code 36

Secrets & identity 36

Browser automation (click, fill, screenshot) 34

Email 33

Social media 32

Team chat (Slack, Discord, Teams) 29

Office suites (Google Workspace, Microsoft 365) 28

Messaging apps & SMS 27

Calendar & scheduling 26

Vector databases & embeddings 23

Writing, content, translation & copy 22

Pentest & threat intel 22

Hosting & deployment 20

Game development & engines 19

Git hosting, PRs, issues & code review 18

Monitoring, logs & incidents 16

CRM & sales 16

Testing & QA 13

Warehouses & analytics (BigQuery, Snowflake...) 13

Mobile apps 6

NoSQL, key-value & search engines 6

OS, shell, terminal & desktop automation 3