strands-agents/harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

Python★ 7,943+115 that day#7 on trendingD 54.5 health7.13% duplicated

Analyzed September 24, 2026 at 43b15b7 (main) with jscpd v5 in 2.8s.

D54.5/100

Project health490,249 lines of code (L)

Duplication57

7% in python, typescript, astro, tsx, javascript, bash, perl

Dead code66

4.6%

Complexity44

60.3%

Most complex files

strands-cli/src/tui/view/setup-wizard/index.tsx931 cx
strands-cli/src/tui/chat/controller.ts536 cx
strands-cli/src/tui/view/app.tsx449 cx
strands-ts/src/models/__tests__/bedrock.test.ts438 cx
strands-py/src/strands/tools/mcp/mcp_client.py413 cx
strands-py/tests/strands/models/test_bedrock.py397 cx
strands-py/src/strands/models/bedrock.py346 cx
strands-ts/src/models/bedrock.ts339 cx
strands-ts/src/agent/agent.ts323 cx
strands-cli/test/tui-chat.test.ts303 cx

Dead code 4.59% unused · 314 findings

strands-cli/src/tui/view/app.tsxunused-file
strands-cli/src/tui/view/chat-view.tsxunused-file
site/src/content/docs/user-guide/sdk/agents/hooks.tsunused-file
strands-cli/src/tui/view/custom-theme-editor.tsxunused-file
site/src/content/docs/user-guide/sdk/tools/tools.tsunused-file
strands-cli/src/tui/view/panels.tsxunused-file
site/src/components/community/CoursesSection.astrounused-file
strands-cli/src/tui/view/settings-panel.tsxunused-file
site/src/content/docs/user-guide/sdk/multi-agent/graph.tsunused-file
strands-cli/src/tui/view/transcript-turn.tsxunused-file

2,448files

546,538lines

3,256,092tokens

3,117clones

38,980duplicated lines (7.13%)

230,677duplicated tokens (7.08%)

By format

Format	Files	Lines	Clones	Duplicated lines	Duplication
typescript	965	233,030	1,610	17,891	7.68%
python	754	233,866	1,224	16,185	6.92%
yaml	210	11,062	172	2,974	26.88%
markdown	118	22,418	53	858	3.83%
json	53	4,106	21	656	15.98%
css	49	6,433	17	156	2.42%
html	48	2,117	7	69	3.26%
javascript	55	5,551	5	100	1.8%
tsx	33	10,557	3	26	0.25%
markup	41	1,528	3	40	2.62%

Largest clones

170 lines · 739 tokens typescriptstrands-ts/src/models/__tests__/bedrock.test.ts:3295–3464⇆strands-ts/src/models/__tests__/bedrock.test.ts:3731–3900
114 lines · 597 tokens pythonsite/docs/examples/cdk/deploy_to_fargate/docker/app/app.py:1–114⇆site/docs/examples/deploy_to_eks/docker/app/app.py:1–114
111 lines · 583 tokens pythonsite/docs/examples/cdk/deploy_to_ec2/app/app.py:2–112⇆site/docs/examples/cdk/deploy_to_fargate/docker/app/app.py:4–114
108 lines · 571 tokens pythonsite/docs/examples/cdk/deploy_to_apprunner/docker/app/app.py:1–108⇆site/docs/examples/cdk/deploy_to_ec2/app/app.py:5–112
108 lines · 521 tokens typescriptstrands-ts/src/models/__tests__/bedrock.test.ts:3514–3621⇆strands-ts/src/models/__tests__/bedrock.test.ts:3898–4005
37 lines · 462 tokens pythonstrands-py/src/strands/agent/agent.py:921–957⇆strands-py/src/strands/agent/agent.py:1264–1300
70 lines · 460 tokens pythonstrands-py/tests/strands/agent/test_agent_hooks.py:167–236⇆strands-py/tests/strands/agent/test_agent_hooks.py:254–323
36 lines · 439 tokens pythonstrands-py/src/strands/agent/agent.py:831–866⇆strands-py/src/strands/agent/agent.py:925–960
76 lines · 384 tokens yaml.github/workflows/release-mcp.yml:367–442⇆.github/workflows/release-python.yml:412–487
79 lines · 384 tokens yaml.github/workflows/release-python.yml:398–476⇆.github/workflows/release-typescript.yml:382–460

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	Duplication	Health	Commit
Sep 24, 2026	#7	7,943 (+115)	2,448	546,538	3,117	7.13%	D 54.5	`43b15b7`

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