MCP tools for generative AI agents
On this page
No single list covers every generative AI MCP server, because MCP is an open protocol and anyone can publish a server. Find MCP tools by capability: model inference, media handling, and retrieval. Then test each one against your agent's task. APIbase is an MCP gateway with a large and growing catalog spanning many categories, so one connection can reach many of them.
What every generative AI MCP server means in practice
MCP, the Model Context Protocol, defines how an AI agent discovers and calls external tools. Any developer can build an MCP server. The set of servers grows constantly, and no index holds all of them.
A search for every generative AI MCP server therefore returns a moving target. A better question is which servers cover the work your agent does.
Three categories generative AI agents usually need
Most generative AI agents need tools in three areas. Each area maps to a different kind of MCP server.
- Model inference: text, image, and audio generation through a hosted model API.
- Media handling: converting, resizing, transcribing, or storing the files a model produces.
- Retrieval: fetching documents, records, or search results that the model uses as context.
Start with the category that blocks your agent today. Add the others only when a real task needs them.
How to check an MCP tool before you wire it in
Read the tool schema first. A clear schema lists each input, its type, and what the tool returns.
Check authentication next. Some servers need a separate API key for each provider. Others accept one gateway token.
Confirm the output format. Structured JSON is easier for an agent to parse than free text, so prefer tools that return it.
Finally, run the tool with one real request. Record the latency and the cost per call. Compare the result with the same task completed by hand.
Direct connections compared with a gateway
A direct connection links the agent to one MCP server. The agent manages each endpoint, key, and version on its own.
A gateway connection links the agent to one endpoint. The gateway routes each call to the right server, so the agent configuration stays short.
Direct connections give more control over a single server. Gateways reduce setup work when an agent needs several tools.
Reaching many MCP tools through one gateway
An MCP gateway sits between your agent and the tool servers. The agent opens one connection and sees the tools behind it.
Per-call pricing ranges from 0 USD to 29.99 USD, depending on the tool. Check the price of each tool before you run it in a loop.
Hosted gateway access removes the need to store a separate key for each provider. You still need to review what data each tool receives.
Data handling for agent tool calls
Each tool receives the input your agent sends. Read the provider's data policy before you send customer records, credentials, or personal data to any tool.
Log each tool call with the agent step that made it. This record shows which tool received which data during an audit.
Limits to plan for
No catalog stays complete. New servers appear, and older ones change their schemas or stop running. Treat any list as a starting point, and verify each tool before production use.
Tool output quality also varies. A tool that returns clean JSON in testing may return partial results under load. Add checks for empty or malformed responses.
Rate limits and terms of service differ by provider. Review them for each tool that your agent calls often.
Live pricing — developer
Data source: live tool catalog snapshot, fetched 2026-11-08.
Chart data as a table
| Tool | Price per call | Cache-hit price |
|---|---|---|
| Usage Time Series | $0.0 | $0.0 |
| Per-Tool Usage Breakdown | $0.0 | $0.0 |
| Usage Summary | $0.0 | $0.0 |
| Discover Tools | $0.0 | $0.0 |
| Batch Tool Calls | $0.0 | $0.0 |
| Tool Quality Metrics | $0.0 | $0.0 |
| Tool Quality Rankings | $0.0 | $0.0 |
| List Programming Languages | $0.001 | $0.0001 |
| Check CVE ID Reservation Status | $0.001 | $0.0001 |
| Security Advisories (deps.dev) | $0.001 | $0.0001 |
| Dependency Tree (deps.dev) | $0.001 | $0.0001 |
| Package Info (deps.dev) | $0.001 | $0.0001 |
| Tool | Provider | Price/call | Cache-hit |
|---|---|---|---|
| Usage Time Series | account | $0 | $0 |
| Per-Tool Usage Breakdown | account | $0 | $0 |
| Usage Summary | account | $0 | $0 |
| Discover Tools | apibase | $0 | $0 |
| Batch Tool Calls | platform | $0 | $0 |
| Tool Quality Metrics | platform | $0 | $0 |
| Tool Quality Rankings | platform | $0 | $0 |
| List Programming Languages | judge0 | $0.001 | $0.0001 |
| Check CVE ID Reservation Status | cve-mitre | $0.001 | $0.0001 |
| Security Advisories (deps.dev) | depsdev | $0.001 | $0.0001 |
| Dependency Tree (deps.dev) | depsdev | $0.001 | $0.0001 |
| Package Info (deps.dev) | depsdev | $0.001 | $0.0001 |
Connect via MCP
Data source: gateway design, no measured values.
$ curl -X POST https://apibase.pro/api/v1/tools/account.timeseries/call \
-H "Content-Type: application/json" -d '{"params": {}}'FAQ
Is there a complete list of every generative AI MCP server?
No. MCP is open, so servers come from many independent authors, and no index is complete. Search by capability instead, such as image generation or document retrieval.
What does an MCP server do for a generative AI agent?
It exposes tools that the agent can call. The agent sends structured input and receives a response, usually in JSON.
How do I start with MCP tools for generative AI?
Pick one task, such as image generation or document retrieval. Find one tool for that task, test it with a real request, and then add the next tool.
Does a gateway replace individual MCP servers?
No. A gateway gives the agent one connection to many tools, but each tool still runs its own logic and follows its own terms.
Recommended next step
- STEP 1/2 Connect your MCP client
- STEP 2/2 Browse the full catalog
Related guides
Written with AI assistance from APIbase's published documentation and public data; checked automatically against them. Corrections: https://apibase.pro/
Published: 2026-11-08Source: live apibase.pro catalog snapshot