Airbyte Agent SDK

Typed connector tools for working with third-party APIs, with full IDE autocomplete.

Overview

The Airbyte Agent SDK provides 50+ connectors with typed tools for third-party APIs. Run connectors locally with your own credentials in connector-specific auth configs; the SDK makes direct calls to each third-party API.

How to install

uv pip install airbyte-agent-sdk

Tool integration

The SDK ships a tool builder and two connector-tool decorators for turning connector calls into LLM tools with retry-aware exception translation, output-size guards, and framework-specific error signalling, plus translate_exceptions for callables that are not connector tools. Pick from these in this order:

build_connector_tools(connector, framework="...") — the simplest, preferred default on supported frameworks (PydanticAI, LangChain, OpenAI Agents, FastMCP) when you do not need custom tool bodies. Returns inspect_connector, read_skill_docs, and execute callables bound to one connector; the tool names are fixed, so register one connector's tool set per agent. With a local connector, inspect_connector returns a mode: "local" payload with a warning, and read_skill_docs returns the full generated connector docs; a section request returns a notice followed by the same docs. Pass use_progressive_docs=False to make tools.as_list() expose only execute with the legacy rich description.
@<Connector>.agent_tool(...) — use when you need custom tool bodies, a framework the SDK does not natively support, or a multi-connector agent. Decorate three functions (execute, inspect, docs) and the execute docstring steers the agent through the inspect → docs → execute flow instead of embedding the full entity/action reference. On supported frameworks pass framework="pydantic_ai", "langchain", "openai_agents", or "mcp" to target that framework's failure signal; on unsupported frameworks omit it and failures raise AirbyteToolError (framework="none"; no auto-detection).
@<Connector>.tool_utils — deprecated; retained only for backwards compatibility with existing integrations that use one broad, generated-description tool. Do not use it for new tools. It auto-detects supported frameworks and remains available so existing integrations can migrate independently.
@translate_exceptions — same translation behaviour for any callable that is not a generated Connector (custom helpers, eval harnesses, ad-hoc tools).

The builder and decorators preserve async callables, __name__, and __doc__. Transient runtime failures (429/5xx, network, timeout) can be retried silently via internal_retries=N. Output exceeding max_output_chars (default 100 KB) is converted to the framework's retry signal so the LLM can narrow the query.

Pick one SDK decorator per tool. agent_tool and legacy tool_utils already include exception translation. Stacking @translate_exceptions with either decorator is detected and short-circuited.

Prebuilt connector tools (default)

import os

from pydantic_ai import Agent
from airbyte_agent_sdk import build_connector_tools
from airbyte_agent_sdk.connectors.stripe import StripeConnector, StripeAuthConfig

stripe = StripeConnector(
    auth_config=StripeAuthConfig(api_key=os.environ["STRIPE_API_KEY"])
)
tools = build_connector_tools(stripe, framework="pydantic_ai")

agent = Agent("openai:gpt-4o", tools=tools.as_list())

The model-facing docs flow is inspect_connector() -> read_skill_docs() -> read_skill_docs(section="...") -> execute(...). Locally, inspect_connector() returns a mode: "local" payload with a warning, and read_skill_docs() returns the full generated connector docs; a section request adds a notice that section-specific docs are unavailable, then returns the same full docs.

The builder covers one connector per agent — the tool names are fixed (inspect_connector, read_skill_docs, execute), so the tool sets for multiple connectors collide when registered on the same agent. Renaming the callables at registration avoids the collision, but the generated execute guidance still tells the model to call inspect_connector and read_skill_docs, so it points at the wrong tools. Multi-connector agents use agent_tool with connector-specific function names, which weaves those names into the guidance via inspect_tool= and docs_tool=.

Locally, the inspect/docs round trip returns the full generated docs that the execute description would carry. To opt out of that flow:

tools = build_connector_tools(stripe, framework="pydantic_ai", use_progressive_docs=False)
agent = Agent("openai:gpt-4o", tools=tools.as_list())  # exposes execute only

Custom tool bodies and unsupported frameworks — `agent_tool`

When you need custom tool bodies, or when your framework is not one the SDK natively supports, write the three functions yourself and decorate each with agent_tool. The role is inferred from the signature — (entity, action, ...) is execute, (section, ...) is docs, () is inspect — or pass it explicitly (agent_tool("execute")). Extra parameters are allowed.

import os

from airbyte_agent_sdk.connectors.stripe import StripeAuthConfig, StripeConnector
from pydantic_ai import Agent

stripe = StripeConnector(auth_config=StripeAuthConfig(api_key=os.environ["STRIPE_API_KEY"]))
agent = Agent("openai:gpt-4o")

@agent.tool_plain
@StripeConnector.agent_tool(
    framework="pydantic_ai",
    inspect_tool="stripe_inspect",
    docs_tool="stripe_read_docs",
)
async def stripe_execute(entity: str, action: str, params: dict | None = None):
    result = await stripe.execute(entity, action, params or {})
    return result.data if hasattr(result, "data") else result

@agent.tool_plain
@StripeConnector.agent_tool(framework="pydantic_ai")
async def stripe_inspect():
    return await stripe.inspect_connector()

@agent.tool_plain
@StripeConnector.agent_tool(framework="pydantic_ai")
async def stripe_read_docs(section: str | None = None):
    return await stripe.read_skill_docs(section)

The optional inspect_tool=/docs_tool= kwargs weave the exact registered sibling-tool names into the execute docstring for tighter steering; omitting them uses generic phrasing. Register the same three-function pattern with any other framework and set framework= to match it.

framework= decides what a tool failure looks like to the agent. This applies equally to build_connector_tools, agent_tool, and translate_exceptions:

`framework=`	Tool failures surface as	Framework-side wiring
`"pydantic_ai"`	raises `pydantic_ai.ModelRetry`	none — the agent retries
`"langchain"`	raises `langchain_core.tools.ToolException`	pass `handle_tool_error=True` to the tool so the message goes back to the model instead of aborting the run
`"openai_agents"`	returns the failure message as the tool result	register with `function_tool(..., strict_mode=False)` for `params: dict`
`"mcp"`	raises `fastmcp.exceptions.ToolError`	FastMCP serializes it as an errored tool result
`"none"`	raises `airbyte_agent_sdk.AirbyteToolError`	catch it in your dispatch loop and hand the message to the model

An explicit framework= whose package is not installed raises RuntimeError at call time. agent_tool defaults to "none" and never auto-detects; build_connector_tools, tool_utils, and translate_exceptions auto-detect when framework is omitted and fall back to "none" with a warning if no supported framework is installed.

On a framework the SDK does not support natively, omit framework= and handle the failure yourself:

from airbyte_agent_sdk import AirbyteToolError

# `handlers` maps each registered tool name to its decorated function;
# `tool_name`/`tool_args` come from the model's tool call.
handlers = {fn.__name__: fn for fn in (stripe_inspect, stripe_read_docs, stripe_execute)}

try:
    content = await handlers[tool_name](**tool_args)
except AirbyteToolError as err:
    content = str(err)  # return to the model as an errored tool result

Legacy: `tool_utils`

Existing integrations can keep tool_utils without changing behavior:

legacy_agent = Agent("openai:gpt-4o")

@legacy_agent.tool_plain
@StripeConnector.tool_utils
async def legacy_stripe_execute(entity: str, action: str, params: dict | None = None):
    result = await stripe.execute(entity, action, params or {})
    return result.data if hasattr(result, "data") else result

tool_utils embeds the full generated connector catalog in one tool description and auto-detects the installed supported framework. It is deprecated and kept only so existing integrations can migrate independently; new code uses build_connector_tools or agent_tool(framework="...").

The advanced kwargs internal_retries, should_internal_retry, and exhausted_runtime_failure_message are documented in the function docstrings.

Search and Airbyte Cloud

Fast search across your data and context-layer queries aren't part of this SDK. They're available in Airbyte Cloud through the Airbyte MCP at https://mcp.airbyte.com/mcp; sign up for Airbyte Cloud. Some connectors list context_store_search and context_store_sql_query actions, but the local executor rejects either with NotImplementedError before making an API call.

How to install the skills

The repo ships skills that walk agents through setting up and using the connectors. Three install paths:

skills.sh (works for Claude Code, Codex, Cursor, OpenCode, and 40+ other agents):

npx skills add airbytehq/airbyte-agent-sdk

Claude Code (native plugin):

/plugin marketplace add airbytehq/airbyte-agent-sdk
/plugin install airbyte-agent-sdk@airbyte-agent-sdk

Codex (clone + symlink):

git clone https://github.com/airbytehq/airbyte-agent-sdk ~/.codex/skills/airbyte-agent-sdk-src
ln -s ~/.codex/skills/airbyte-agent-sdk-src/connector-sdk/.claude/skills/* ~/.codex/skills/

Metadata

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