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* feat(guardrails): extend Akto guardrail to responses, MCP tools, attachments and masking - post_call now waits for Akto and blocks or masks the reply instead of only logging it - pre_mcp_call and post_mcp_call check MCP tool arguments and tool results - attached images, audio and files are sent to Akto's file check - streamed replies are checked every streaming_sampling_rate chunks - context_source routes traffic to Akto's endpoint or agentic policies - tags carry user email, team alias and key alias for attribution * fix(guardrails): harden Akto MCP detection, keep AGENTIC default, block unmappable masking - MCP handling trusts the logger's call type, so request body keys can't skip the prompt check - context_source defaults to AGENTIC, as before - masking that also hits text we can't write back now blocks - move tests to tests/unit and rename attachments.py to akto_attachments.py - regenerate the OpenAPI snapshot and dashboard types * fix(guardrails): ignore a client-sent response in Akto output checks - a "response" field sent in the request body is no longer scanned in place of the model's reply - MCP tool calls in the reply are still checked in that case - split match or-patterns so CodeQL can follow the bound names - cover a masked payload that is not JSON and drop unused test imports * refactor(guardrails): read Akto attachment fields directly instead of pattern captures * fix(guardrails): check Akto attachments in both messages and input * fix(guardrails): check every Akto attachment source and keep more prompt text in scope - check all of a file or image block's sources (file_data, file_url, file_id), since providers pick different ones - send Anthropic search_result blocks to the file check as text - keep document title and context, and legacy functions, in the checked request - take the client IP from the proxy's requester_ip_address before client forwarding headers - read litellm_params identity only from server-side call details * fix(guardrails): never drop an Akto attachment the text check removed - optional metadata (filename, title, format, media type) that isn't a string is ignored instead of failing the block - an attachment block that still can't be read blocks the request - search_result text is checked once, as a file, instead of also in the text check * fix(guardrails): strip only what the Akto file check sends from the text check - the text check keeps every attachment field except the ones the file check sends - document title/context and search_result source/title go to the file check as text, since the /v1/messages text check drops them - accept every image shape LiteLLM forwards (image_url or url, string or object) and check each source - ignore blocks whose type is not a string instead of failing the file check * fix(guardrails): keep model-visible text in the Akto text check - document title/context, text documents and search_result stay in the text check, so no Akto backend skips them - on /v1/messages the text check reads the messages Anthropic receives, with the guardrail's skip/scan scoping applied - a client-sent "response" key can only add reply checks, never skip recording or MCP tool-call checks - a "messages" key on the Responses API can't replace its input in the text check - the recorded IP comes only from the proxy's requester_ip_address * fix(guardrails): keep AktoGuardrail positional args backward compatible * fix(guardrails): keep zero Akto timeouts working and record every stream check A guardrail_timeout of 0 used to fall back to the default; the new ge=1 made the config invalid, so the proxy dropped the guardrail. Zero settings now fall back to the defaults again. The end-of-stream check can be skipped when the last sampled check covered the reply, so mid-stream checks now record, like base. * fix(guardrails): use defaults for non-positive Akto timeouts and sampling rate A zero or negative guardrail_timeout, file_guardrail_timeout or streaming_sampling_rate used to reach the HTTP call or the stream cadence. They now fall back to the defaults, like unset values. |
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