Tools

Hive agents interact with external services through tools — functions exposed via MCP (Model Context Protocol) servers. The main tool server lives at tools/mcp_server.py and registers integrations from the aden_tools package.

Verified vs Unverified

Tools are split into two tiers:

Tier	Description	Default
Verified	Stable integrations tested on main. Always loaded.	On
Unverified	New or community integrations pending full review.	Off

Verified tools include core capabilities like web search, GitHub, email, file system operations, and security scanners. Unverified tools cover newer integrations like Jira, Notion, Salesforce, Snowflake, and others that are functional but haven't completed the full review process.

Enabling Unverified Tools

Set the INCLUDE_UNVERIFIED_TOOLS environment variable to opt in:

# Shell
INCLUDE_UNVERIFIED_TOOLS=true uv run python tools/mcp_server.py --stdio

In `mcp_servers.json`

When configuring an agent's MCP server, pass the env var in the server config:

{
  "servers": [
    {
      "name": "tools",
      "transport": "stdio",
      "command": "uv",
      "args": ["run", "python", "tools/mcp_server.py", "--stdio"],
      "env": {
        "INCLUDE_UNVERIFIED_TOOLS": "true"
      }
    }
  ]
}

In Docker

docker run -e INCLUDE_UNVERIFIED_TOOLS=true ...

In Python

If calling register_all_tools directly (e.g., in a custom server):

from aden_tools.tools import register_all_tools

register_all_tools(mcp, credentials=credentials, include_unverified=True)

Accepted values: true, 1, yes (case-insensitive). Any other value or unset means off.

Listing Available Tools

The MCP server logs registered tools at startup (HTTP mode):

uv run python tools/mcp_server.py
# [MCP] Registered 47 tools: [...]

In STDIO mode, logs go to stderr to keep stdout clean for JSON-RPC.

Adding a New Tool

New tool integrations are added to tools/src/aden_tools/tools/ and registered in _register_unverified() in tools/src/aden_tools/tools/__init__.py. Once reviewed and stabilized, they graduate to _register_verified().

See the developer guide for the full contribution workflow.

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