Tools and MCPs
Built-in MCP Servers (Visual Builder)
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Pre-built MCP servers that are ready to add to your agents without any configuration.
Built-in MCP servers are pre-built tool collections that are hosted and maintained for you. They are ready to add to your agents without registering a URL or managing a server. Search servers require a credential to be configured.
Available servers
inkeep-coreutils
Core text and data processing tools.
| Tool | Description |
|---|---|
text_search | Search for a pattern in text. Supports regex, case control, context lines, invert match, and count mode. |
text_replace | Find and replace text. Supports literal or regex patterns, global or single replacement, and capture group references. |
text_slice | Extract a contiguous portion of text by line range, character range, or pattern-bounded range. |
text_diff | Generate a unified diff between two strings. |
text_patch | Apply a unified diff patch to a string. |
text_window | Return the first N lines, last N lines, or both from text. |
json_format | Pretty-print a JSON string or object. |
json_query | Extract a value from a JSON object using a JMESPath expression. |
json_merge | Deep or shallow merge two JSON objects. |
json_diff | Show structural differences between two JSON values. |
base64_encode | Encode a string to base64. |
base64_decode | Decode a base64 string to UTF-8 text. |
url_encode | Percent-encode a string for use in a URL. |
url_decode | Decode a percent-encoded URL string. |
hash | Compute a cryptographic hash (MD5, SHA-1, SHA-256, SHA-512). |
html_to_markdown | Convert HTML to Markdown. |
calculate | Evaluate a numeric arithmetic expression. |
uuid | Generate a random UUID (v4). |
timestamp | Get the current date/time in ISO, Unix, UTC, or locale format. |
inkeep-http
Outbound HTTP request tools.
| Tool | Description |
|---|---|
curl | Make an outbound HTTP request and return the response. |
inkeep-media
Image processing tools.
| Tool | Description |
|---|---|
image_info | Get metadata about an image (dimensions, format, size). |
image_resize | Resize an image to specified dimensions. |
image_crop | Crop an image to a specified region. |
inkeep-search-exa / inkeep-search-tavily / inkeep-search-brave / inkeep-search-serpapi
Web search tools. Each provider is a separate server — pick one per agent. Requires a credential.
| Tool | Description |
|---|---|
web_search | Search the web and return relevant results. |
Adding built-in servers to an agent
Text, HTTP, and Media servers
- Go to the Tools tab in the Visual Builder.
- Select Built-in MCP Servers.
- Click Add on the server you want to use.
- The server will appear in your tool list and can be connected to any agent.
You can enable or disable individual tools from the server the same way as any other MCP server — see Editing server settings.
Search servers
- Go to the Tools tab in the Visual Builder.
- Select Built-in MCP Servers, then click Add Web Search.
- Choose a provider (Exa, Tavily, Brave, or SerpAPI) and enter your API key.
- The search server will appear in your tool list and can be connected to any agent.