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Partial fix to strands-agents#1069 - previously the agent would prematurely exit if the agent generated a tool with an invalid name; this avoids that by ensuring the agent loop continues with zero tool-uses. --------- Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
…ands-agents#1068) * feat: skip model invocation when latest message contains ToolUse - Add _has_tool_use_in_latest_message() helper function to detect ToolUse in latest message - Modify event_loop_cycle() to skip model execution when ToolUse is detected - Set stop_reason='tool_use' and use latest message directly for tool execution - Add comprehensive test coverage with 10 test scenarios - Maintain backward compatibility and existing functionality - No performance impact, minimal overhead for detection Resolves the requirement to skip model calls when the agent should directly execute tools based on existing ToolUse messages in the conversation. 🤖 Assisted by the code-assist agent script * fix: Check messages array size
* fix(litellm): enhance structured output handling * fix(litellm): update logic
…trands-agents#1091) Per bug strands-agents#1069, session-managers never persist tool-name changes after we initially persist the message, which means once an agent generates an invalid-tool name, that message history is poisoned on re-hydration. To avoid that going forward, do the translation of invalid-tool names on sending to the provider and not on the initial tool_use detection. The initial tool_use detection is needed to add a tool_response with a proper error message for the LLM, but this will avoid the poisoning issue --------- Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
* fix: (bug): Drop reasoningContent from request * fix: (bug): Drop reasoningContent from request * fix: (bug): Drop reasoningContent from request
) * feat: add multiagent hooks, add serialize & deserialize function to multiagent base & agent result * feat: add multiagent session manager, register hooks, fix import issue, rename deserialize function # Conflicts: # src/strands/experimental/agent_config.py * Delete __init__.py * fix: address comments * fix: renaming function to keep consistent with existing code * feat: add multiagent session/repository management pattern * fix: fix unit tests * fix: address comments * fix: update parameter to use MultiAgentBase * fix: fix unit tests
…full" (strands-agents#1072) * fix: detect guardrails with trace="enabled_full" Fix and simplify _find_detected_and_blocked_policy so that it correctly works even in case the guardrails assessments contains both detected and non-detected filters (as with guardrail_trace="enabled_full") * test: add bedrock int tests with different guardrail_trace levels * test: add xfail with guardrail_trace=disabled
* fix: Fix broken converstaion with orphaned toolUse * fix: Address pr cmments
…ents#1110) * feat: enable multiagent session persistent # Conflicts: # src/strands/multiagent/graph.py # src/strands/multiagent/swarm.py # tests/strands/multiagent/test_graph.py # tests/strands/multiagent/test_swarm.py # tests_integ/test_multiagent_graph.py # tests_integ/test_multiagent_swarm.py * fix: fix docstring * fix: rebase from main and address comments * fix: fix nit
…ching (strands-agents#1112) * feat(model): support prompt caching via SystemContentBlock * fix: concat text blocks for system_prompt * remove litellm and openai changes for now * integ tests * linting * linting * fix test * add test cases
PR#1078 mentioned that context overflows were not handled, but I wasn't able to reproduce using the code changes in it. However, in testing (using @DEA's suggested test) I was able to reproduce and consistently got a "prompt is too long:" error Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
…trands-agents#1142) Per strands-agents#1067 including the args in the description is redundant as it's already included in the parameter docs which can increase the token counts. Strip args from the description strings for inputSpecs --------- Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
…ands-agents#1089) --------- Co-authored-by: Dean Schmigelski <dbschmigelski+github@gmail.com>
…nts#1385) We need to plumb this through so that protected branches (like main) correctly report code coverage to codecov. Prior to this PRs did not have incremental diffs because main builds didn't have this token; only `main` needs the token because it's a protected branch [0]. This token is already a secret in this repository. [0]: https://docs.codecov.com/docs/codecov-tokens#when-do-i-need-a-token Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6. - [Release notes](https://github.com/actions/checkout/releases) - [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md) - [Commits](actions/checkout@v5...v6) --- updated-dependencies: - dependency-name: actions/checkout dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Updates the requirements on [pytest-asyncio](https://github.com/pytest-dev/pytest-asyncio) to permit the latest version. - [Release notes](https://github.com/pytest-dev/pytest-asyncio/releases) - [Commits](pytest-dev/pytest-asyncio@v1.0.0...v1.3.0) --- updated-dependencies: - dependency-name: pytest-asyncio dependency-version: 1.3.0 dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6. - [Release notes](https://github.com/actions/upload-artifact/releases) - [Commits](actions/upload-artifact@v4...v6) --- updated-dependencies: - dependency-name: actions/upload-artifact dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 7. - [Release notes](https://github.com/actions/download-artifact/releases) - [Commits](actions/download-artifact@v5...v7) --- updated-dependencies: - dependency-name: actions/download-artifact dependency-version: '7' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
….0 (strands-agents#1242) Updates the requirements on [pre-commit](https://github.com/pre-commit/pre-commit) to permit the latest version. - [Release notes](https://github.com/pre-commit/pre-commit/releases) - [Changelog](https://github.com/pre-commit/pre-commit/blob/main/CHANGELOG.md) - [Commits](pre-commit/pre-commit@v3.2.0...v4.5.0) --- updated-dependencies: - dependency-name: pre-commit dependency-version: 4.5.0 dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
* feat: add api check to github workflow * Update pr-and-push.yml fix package name. * fix: Compare against the actual base of the PR or the previous commit on push, rather than the latest tag * fix: add more explicit error message * feat: add name to each step
…gents#1352) Bumps [aws-actions/configure-aws-credentials](https://github.com/aws-actions/configure-aws-credentials) from 4 to 5. - [Release notes](https://github.com/aws-actions/configure-aws-credentials/releases) - [Changelog](https://github.com/aws-actions/configure-aws-credentials/blob/main/CHANGELOG.md) - [Commits](aws-actions/configure-aws-credentials@v4...v5) --- updated-dependencies: - dependency-name: aws-actions/configure-aws-credentials dependency-version: '5' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
…strands-agents#1004) Updates the requirements on [ruff](https://github.com/astral-sh/ruff) to permit the latest version. - [Release notes](https://github.com/astral-sh/ruff/releases) - [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md) - [Commits](astral-sh/ruff@0.13.0...0.14.0) --- updated-dependencies: - dependency-name: ruff dependency-version: 0.14.0 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
…ands-agents#1374) Allow conversation managers to act as hook providers and add an option to built-in conversation managers to proactively apply message management during the agent loop execution. Use that functionality to add an option to SlidingWindowConversationManager to allow per_turn management application Fixes strands-agents#509 --------- Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6. - [Release notes](https://github.com/actions/checkout/releases) - [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md) - [Commits](actions/checkout@v5...v6) --- updated-dependencies: - dependency-name: actions/checkout dependency-version: '6' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
…gents#1405) Users need the ability to retry model calls on arbitrary exceptions beyond just ModelThrottledException, and also retry based on response validation. This feature adds a low-level mechanism that enables that and more by letting hooks implement custom retry logic for both exceptions and successful responses. --------- Co-authored-by: Strands Agent <217235299+strands-agent@users.noreply.github.com> Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
…ed (strands-agents#1380) Previously, the deprecation warning was emitted at module import time, which triggered whenever `strands` was imported because other modules import from `experimental.hooks`. Changed to use `__getattr__` to lazily emit the warning only when the deprecated aliases (BeforeToolInvocationEvent, AfterToolInvocationEvent, BeforeModelInvocationEvent, AfterModelInvocationEvent) are actually accessed. Fixes strands-agents#1236 --------- Co-authored-by: Mackenzie Zastrow <zastrowm@users.noreply.github.com>
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How have you tested the change? Verify that the changes do not break functionality or introduce warnings in consuming repositories: agents-docs, agents-tools, agents-cli
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