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langchain #34890

feat(langchain): add dynamic jump_to support for tools in agent loop

by jectpro7 · Feb 06, 2026 at 19:27 UTC · scan-b475753485df6952

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Medium Risk (45%)

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Risk Assessment

Risk level: Medium (45%)

Risk Drivers

  • new_contributor: First contribution from jectpro7
  • api_surface_change: API surface changed in 1 file(s)

Intent

3/3 criteria met

Add dynamic jump_to support for tools in the agent loop.

Acceptance Criteria

  • ✓
    Enable tools to control agent flow by exiting the loop dynamically.

    factory.py modified to add conditional flow for tools.

  • ✓
    Include comprehensive tests for jump_to functionality.

    Test file test_tool_jump_to.py added with 307 lines of tests.

  • ✓
    Remove reliance on static return_direct parameter.

    factory.py removed logic for return_direct-based loop termination.

Confidence: 95.0% Source: diff analysis AI: openai

Contributors

jectpro7 PR Author 5 commits ? New Contributor
Account Age: 2368 days
Prior PRs: 1

First-time contributor to this repository. unfamiliar with 4 files being modified.

Evidence

Evidence Completeness: 60.0%
ci_passing Failing
tests_passing Failing
lint_passing Passing
build_successful Passing
Missing: security_scan_clean, coverage_maintained

Supply Chain

None Risk
Modifies dependencies
Modifies lockfile
Modifies CI config
Modifies build scripts

Focus Files

Focus on 1 critical file(s)

libs/langchain_v1/tests/unit_tests/agents/test_tool_jump_to.py +307

307 lines changed; New file; Source code

critical
libs/langchain_v1/langchain/agents/factory.py +18

Source code

medium
libs/langchain_v1/tests/unit_tests/agents/middleware/core/__snapshots__/test_framework.ambr +7

Standard file

low
libs/langchain_v1/tests/unit_tests/agents/__snapshots__/test_return_direct_graph.ambr +1

Standard file

low

Triage

45

minutes to review

high

effort level

none

staleness risk

Allocate focused review time

Recommendation

COMMENT 51.0% readiness

Some concerns to address before approval

Next Steps

Question

Why is security_scan_clean missing? Consider adding this check.

Question

Why is coverage_maintained missing? Consider adding this check.

Concern libs/langchain_v1/tests/unit_tests/agents/test_tool_jump_to.py

Critical file: 307 lines changed; New file; Source code

Nitpick

First contribution - consider welcoming and providing extra context