Print a table of tool secrets (with masked values).

Teardown logic for when creating a new toolkit fails.

Render a template string with the given variables.

Send a log message notification.

Store the progress token for a task.

Populate the tool context fields for this model context.

Wrapper function for the `arcade show` CLI command Handles the logic for showing tools/toolkits.

Run shutdown phase of lifespan.

Convert to JSON string.

Update a deployment in the Arcade Engine. Args: engine_url: The base URL of the Arcade Engine server_name: The name of the server

Start the server, verify it's healthy, and extract metadata. This function orchestrates: 1. Starting the server on a random port 2.

Wait for the server to start listening.

Write the update cache to disk.

Acquire a lock with timeout. Returns True if acquired, False on timeout.

Recursively add nested properties to the output table. Args: table: The Rich table to add rows to properties: Dictionary of

Union a property's type with "null" so it may be omitted in strict mode. Strict mode lists every property in ``required``; an optional property i

Check if two algorithm names match (considering EdDSA aliases). Args: alg1: First algorithm name alg2: Second algorit

If value_schema.nullable, add null to type and enum.

Build the OAuth Protected Resource Metadata URL per RFC 9728. For a canonical_url of "https://example.com/mcp" the metadata URL is "h

Build a strict-mode object schema from a structured type's fields. Strict mode requires ``additionalProperties: false`` on every object and every

Build an object schema from a structured type's fields. Anthropic uses standard JSON Schema: only the actually-required fields appear in ``re

Run capture mode with OpenAI client.

Check if request accepts required media types.

Check tool authorization. Note: This method assumes self.arcade is not None. The caller should check for the presence of the Arcade A

Convert a handler return value into a list of ResourceContents.

Configure the MCP client to connect to a gateway by slug. *name* is the human-readable label used as the config key (e.g. ``github``). Defaul

Create RFC 6750 403 ``insufficient_scope`` response. Per the MCP authorization spec section Runtime Insufficient Scope Errors: a step

Create a properly typed tool schema. Args: name: The name of the function description: Description of what the function does

Create a properly typed Anthropic tool schema. Args: name: The name of the tool description: Description of what the tool does

Decode a cursor issued by ``_encode_cursor``. Raises InvalidCursorError on any malformed input.

Non-blocking read of available stderr bytes for diagnostics.

Drive a missing-Authorization 401 and return the decoded WWW-Authenticate header value.

Extract and remove ``_transport`` from ``error.data``. Mutates ``error.error["data"]`` in place (removes ``_transport`` key). If ``da

Pull ``(url, method)`` from an exception, trying in order: 1. ``exc.request.{url,method}`` — present on requests and httpx excepti

Safely extract a field from Slack API response.

Fill in default arguments for a tool function. Args: func: The tool function. provided_args: The provided ar

Return the MCP tool name that contains 'greet' (case-insensitive).

Reserve a free loopback TCP port and return it.

Format a single comparative case showing all tracks.

Format a single comparative case as HTML with tabbed details.

Format a single comparative case in text format.

Build the context section lines for comparative display. Args: system_msg: The system message, if any. additional_mes

Build a collapsible context section for comparative display. Args: system_msg: The system message, if any. additional

Format conversation messages as a rich HTML conversation view.

Convert a UTC timestamp string to local timezone format. Args: timestamp_str: UTC timestamp in format "2025-10-22T21:08:23.508906574

Format type string for display.

Return ``(endpoint, headers)`` for Galileo, or ``None`` if not configured.

Get or create an asyncio lock for the given cache key.

Get appropriate error message based on configuration.

Extract headers from an object if available.

Return additional CSS for multi-model views.

Shared implementation for ``get_result`` and ``get_result_with_classification``.

Extract session ID from request headers.

Return JavaScript for tab switching.

Handle DELETE requests for session termination.

Handle GET request to establish SSE.

Handle POST requests containing JSON-RPC messages.

Handle TransportServerError and other transport errors.

Common telemetry logic for tools/call and resources/read.

Check if a critic is a placeholder (like NoneCritic). Uses duck typing via the _is_placeholder class attribute to avoid circular imports

Terminate a subprocess, using taskkill on Windows to kill the tree.

Load access token and user_id from credentials file. Returns: Tuple of (access_token, user_id) from credentials file, or (None, N

Build a JSONRPCResponse wrapping a ReadResourceResult.

Map Arcade value types to JSON schema types. Args: val_type: The Arcade value type as a string. Returns: The correspond

Normalize algorithm name for comparison. EdDSA has multiple names (EdDSA, Ed25519) that should be treated as equivalent. Args:

Convert numeric header values to float without relying on exceptions.

Parse a time string that can be either relative (e.g., "1h", "42m", "2d") or absolute (e.g., "2025-10-03T12:24:36Z"). Args: time

Try to translate an exception using the adapter chain, then raise the translated error. If no adapter can translate the exception, a FatalToo

Convert and register tools from a ToolCatalog to the internal registry. This helper is used by both __post_init__ (for catalog= parameter) an

Render a Jinja2 template and return as bytes.

Import MCP SDK with a helpful error message. Returns: (ClientSession, StdioServerParameters, stdio_client, sse_client, streamablehtt

Return a request with its path rewritten to include org/project scope.

Config that mimics the real ~/.claude.json: many top-level keys, projects map with per-project mcpServers, and a user-scope mcpServers with a

A realistic Codex config.toml with comments, top-level keys, other server sections, and an unrelated table. All of this must survive.

Run evaluation suite with OpenAI client. Returns: For regular evaluations: A single result dict. For comparative evaluations: A l

Resolve the ``resource_metadata`` URL for emit, sanitizing. The 401 emit path follows the spec MUST: invalid Bearer tokens receive HT

Write a realistic existing config that contains: - top-level keys unrelated to MCP - an existing server under ``parent_key`` with auth hea

Send an error response.