anthropics / claude-agent-sdk-python File Age & Freshness

File age measurements show the distribution of file ages (days since the first commit) and the file freshness (days since the latest commit).

Summary

Number of files: 30
Daily file updates (only one update per file and date counted): 145
First update: 2025-06-12
Latest update: 2026-06-23
Days between first and latest update: 377 (53 weeks, estimated 265 working days)
Active days (at least one file change): 206
Data:

Organized per file

File Change History Overall

File Age Distribution Overall

Days since first update

There are 30 files with 6,389 lines of code in files.

0 files that are 366+ days old (0 lines of code)
17 files that are 181-365 days old (3,551 lines of code)
3 files that are 91-180 days old (1,668 lines of code)
9 files that are 31-90 days old (1,150 lines of code)
1 files that are 1-30 days old (20 lines of code)

Legend:

366+

181-365

91-180

31-90

1-30

explore: grouped by folders | grouped by age

File Freshness Distribution Overall

Days since last update

There are 30 files with 6,389 lines of code in files.

0 files have been last changed 366+ days ago (0 lines of code)
6 files have been last changed 181-365 days ago (373 lines of code)
3 files have been last changed 91-180 days ago (207 lines of code)
12 files have been last changed 31-90 days ago (2,517 lines of code)
9 files have been last changed 1-30 days ago (3,292 lines of code)

Legend:

366+

181-365

91-180

31-90

1-30

explore: grouped by folders | grouped by freshness

File Change History per File Extension

py, yaml, md, sh, gitignore, json, js, dockerignore, toml, txt

File Age Distribution per Extension

Days since first update

366+

181-365

91-180

31-90

1-30

File Freshness Distribution per Extension

Days since last update

366+

181-365

91-180

31-90

1-30

File Change History per Logical Decomposition

primary

primary (file age distribution)

Days since first update

366+

181-365

91-180

31-90

1-30

primary (file freshness distribution)

Days since last update

366+

181-365

91-180

31-90

1-30

Oldest Files (Top 30)

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
update_version.py in scripts	31	1	2025-07-21	2025-11-19	4	2	dickson@anthropic.com	ashwin@anthropic.com
types.py in src/claude_agent_sdk	757	2	2025-09-28	2026-06-12	42	27	50384638+mng-dev-ai@users.n...	35135337+maxim092001@users....
query.py in src/claude_agent_sdk/_internal	597	8	2025-09-28	2026-05-07	24	13	dickson@anthropic.com	qing@anthropic.com
subprocess_cli.py in src/claude_agent_sdk/_internal/transport	523	9	2025-09-28	2026-05-14	32	25	50384638+mng-dev-ai@users.n...	100040464+seeincodes@users....
__init__.py in src/claude_agent_sdk	469	7	2025-09-28	2026-06-12	26	12	dickson@anthropic.com	35135337+maxim092001@users....
message_parser.py in src/claude_agent_sdk/_internal	297	1	2025-09-28	2026-06-12	17	12	dickson@anthropic.com	35135337+maxim092001@users....
client.py in src/claude_agent_sdk	249	2	2025-09-28	2026-05-05	21	12	dickson@anthropic.com	qing@anthropic.com
client.py in src/claude_agent_sdk/_internal	160	2	2025-09-28	2026-05-05	13	8	dickson@anthropic.com	qing@anthropic.com
_errors.py in src/claude_agent_sdk	30	4	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
__init__.py in src/claude_agent_sdk/_internal/transport	23	2	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
query.py in src/claude_agent_sdk	18	-	2025-09-28	2026-04-22	5	4	dickson@anthropic.com	sarahdeaton@anthropic.com
_version.py in src/claude_agent_sdk	1	-	2025-09-28	2026-03-20	3	3	dickson@anthropic.com	qing@anthropic.com
__init__.py in src/claude_agent_sdk/_internal	1	-	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
build_wheel.py in scripts	268	13	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
download_cli.py in scripts	106	5	2025-11-19	2026-03-24	2	2	ashwin@anthropic.com	qing@anthropic.com
update_cli_version.py in scripts	20	1	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
_cli_version.py in src/claude_agent_sdk	1	-	2025-11-19	2026-06-23	122	2	actions@github.com	actions@github.com
sessions.py in src/claude_agent_sdk/_internal	1060	44	2026-03-03	2026-05-26	8	2	qing@anthropic.com	dsmilkov@gmail.com
session_mutations.py in src/claude_agent_sdk/_internal	508	15	2026-03-12	2026-04-19	4	1	qing@anthropic.com	qing@anthropic.com
check_pypi_quota.py in scripts	100	3	2026-03-20	2026-03-20	1	1	qing@anthropic.com	qing@anthropic.com
session_resume.py in src/claude_agent_sdk/_internal	335	8	2026-04-19	2026-05-26	3	3	qing@anthropic.com	dsmilkov@gmail.com
session_store_conformance.py in src/claude_agent_sdk/testing	221	2	2026-04-19	2026-06-04	3	1	qing@anthropic.com	qing@anthropic.com
transcript_mirror_batcher.py in src/claude_agent_sdk/_internal	132	1	2026-04-19	2026-05-26	4	3	qing@anthropic.com	dsmilkov@gmail.com
session_store.py in src/claude_agent_sdk/_internal	119	7	2026-04-19	2026-04-21	2	1	qing@anthropic.com	qing@anthropic.com
session_store_validation.py in src/claude_agent_sdk/_internal	27	2	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
__init__.py in src/claude_agent_sdk/testing	2	-	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
session_summary.py in src/claude_agent_sdk/_internal	142	5	2026-04-21	2026-05-05	2	1	qing@anthropic.com	qing@anthropic.com
session_import.py in src/claude_agent_sdk/_internal	84	1	2026-04-22	2026-04-22	1	1	qing@anthropic.com	qing@anthropic.com
_task_compat.py in src/claude_agent_sdk/_internal	88	13	2026-04-24	2026-04-24	1	1	qing@anthropic.com	qing@anthropic.com
refresh-identity-token.js in .github/actions/setup-claude-auth	20	1	2026-06-02	2026-06-02	1	1	ashwin@anthropic.com	ashwin@anthropic.com

Files Not Recently Changed (Top 30)

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
__init__.py in src/claude_agent_sdk/_internal	1	-	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
__init__.py in src/claude_agent_sdk/_internal/transport	23	2	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
_errors.py in src/claude_agent_sdk	30	4	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
update_cli_version.py in scripts	20	1	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
update_version.py in scripts	31	1	2025-07-21	2025-11-19	4	2	dickson@anthropic.com	ashwin@anthropic.com
build_wheel.py in scripts	268	13	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
_version.py in src/claude_agent_sdk	1	-	2025-09-28	2026-03-20	3	3	dickson@anthropic.com	qing@anthropic.com
check_pypi_quota.py in scripts	100	3	2026-03-20	2026-03-20	1	1	qing@anthropic.com	qing@anthropic.com
download_cli.py in scripts	106	5	2025-11-19	2026-03-24	2	2	ashwin@anthropic.com	qing@anthropic.com
__init__.py in src/claude_agent_sdk/testing	2	-	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
session_store_validation.py in src/claude_agent_sdk/_internal	27	2	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
session_mutations.py in src/claude_agent_sdk/_internal	508	15	2026-03-12	2026-04-19	4	1	qing@anthropic.com	qing@anthropic.com
session_store.py in src/claude_agent_sdk/_internal	119	7	2026-04-19	2026-04-21	2	1	qing@anthropic.com	qing@anthropic.com
query.py in src/claude_agent_sdk	18	-	2025-09-28	2026-04-22	5	4	dickson@anthropic.com	sarahdeaton@anthropic.com
session_import.py in src/claude_agent_sdk/_internal	84	1	2026-04-22	2026-04-22	1	1	qing@anthropic.com	qing@anthropic.com
_task_compat.py in src/claude_agent_sdk/_internal	88	13	2026-04-24	2026-04-24	1	1	qing@anthropic.com	qing@anthropic.com
session_summary.py in src/claude_agent_sdk/_internal	142	5	2026-04-21	2026-05-05	2	1	qing@anthropic.com	qing@anthropic.com
client.py in src/claude_agent_sdk/_internal	160	2	2025-09-28	2026-05-05	13	8	dickson@anthropic.com	qing@anthropic.com
client.py in src/claude_agent_sdk	249	2	2025-09-28	2026-05-05	21	12	dickson@anthropic.com	qing@anthropic.com
query.py in src/claude_agent_sdk/_internal	597	8	2025-09-28	2026-05-07	24	13	dickson@anthropic.com	qing@anthropic.com
subprocess_cli.py in src/claude_agent_sdk/_internal/transport	523	9	2025-09-28	2026-05-14	32	25	50384638+mng-dev-ai@users.n...	100040464+seeincodes@users....
transcript_mirror_batcher.py in src/claude_agent_sdk/_internal	132	1	2026-04-19	2026-05-26	4	3	qing@anthropic.com	dsmilkov@gmail.com
session_resume.py in src/claude_agent_sdk/_internal	335	8	2026-04-19	2026-05-26	3	3	qing@anthropic.com	dsmilkov@gmail.com
sessions.py in src/claude_agent_sdk/_internal	1060	44	2026-03-03	2026-05-26	8	2	qing@anthropic.com	dsmilkov@gmail.com
refresh-identity-token.js in .github/actions/setup-claude-auth	20	1	2026-06-02	2026-06-02	1	1	ashwin@anthropic.com	ashwin@anthropic.com
session_store_conformance.py in src/claude_agent_sdk/testing	221	2	2026-04-19	2026-06-04	3	1	qing@anthropic.com	qing@anthropic.com
message_parser.py in src/claude_agent_sdk/_internal	297	1	2025-09-28	2026-06-12	17	12	dickson@anthropic.com	35135337+maxim092001@users....
__init__.py in src/claude_agent_sdk	469	7	2025-09-28	2026-06-12	26	12	dickson@anthropic.com	35135337+maxim092001@users....
types.py in src/claude_agent_sdk	757	2	2025-09-28	2026-06-12	42	27	50384638+mng-dev-ai@users.n...	35135337+maxim092001@users....
_cli_version.py in src/claude_agent_sdk	1	-	2025-11-19	2026-06-23	122	2	actions@github.com	actions@github.com

Most Recently Created Files (Top 30)

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
refresh-identity-token.js in .github/actions/setup-claude-auth	20	1	2026-06-02	2026-06-02	1	1	ashwin@anthropic.com	ashwin@anthropic.com
_task_compat.py in src/claude_agent_sdk/_internal	88	13	2026-04-24	2026-04-24	1	1	qing@anthropic.com	qing@anthropic.com
session_import.py in src/claude_agent_sdk/_internal	84	1	2026-04-22	2026-04-22	1	1	qing@anthropic.com	qing@anthropic.com
session_summary.py in src/claude_agent_sdk/_internal	142	5	2026-04-21	2026-05-05	2	1	qing@anthropic.com	qing@anthropic.com
session_resume.py in src/claude_agent_sdk/_internal	335	8	2026-04-19	2026-05-26	3	3	qing@anthropic.com	dsmilkov@gmail.com
session_store_conformance.py in src/claude_agent_sdk/testing	221	2	2026-04-19	2026-06-04	3	1	qing@anthropic.com	qing@anthropic.com
transcript_mirror_batcher.py in src/claude_agent_sdk/_internal	132	1	2026-04-19	2026-05-26	4	3	qing@anthropic.com	dsmilkov@gmail.com
session_store.py in src/claude_agent_sdk/_internal	119	7	2026-04-19	2026-04-21	2	1	qing@anthropic.com	qing@anthropic.com
session_store_validation.py in src/claude_agent_sdk/_internal	27	2	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
__init__.py in src/claude_agent_sdk/testing	2	-	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
check_pypi_quota.py in scripts	100	3	2026-03-20	2026-03-20	1	1	qing@anthropic.com	qing@anthropic.com
session_mutations.py in src/claude_agent_sdk/_internal	508	15	2026-03-12	2026-04-19	4	1	qing@anthropic.com	qing@anthropic.com
sessions.py in src/claude_agent_sdk/_internal	1060	44	2026-03-03	2026-05-26	8	2	qing@anthropic.com	dsmilkov@gmail.com
build_wheel.py in scripts	268	13	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
download_cli.py in scripts	106	5	2025-11-19	2026-03-24	2	2	ashwin@anthropic.com	qing@anthropic.com
update_cli_version.py in scripts	20	1	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
_cli_version.py in src/claude_agent_sdk	1	-	2025-11-19	2026-06-23	122	2	actions@github.com	actions@github.com
types.py in src/claude_agent_sdk	757	2	2025-09-28	2026-06-12	42	27	50384638+mng-dev-ai@users.n...	35135337+maxim092001@users....
query.py in src/claude_agent_sdk/_internal	597	8	2025-09-28	2026-05-07	24	13	dickson@anthropic.com	qing@anthropic.com
subprocess_cli.py in src/claude_agent_sdk/_internal/transport	523	9	2025-09-28	2026-05-14	32	25	50384638+mng-dev-ai@users.n...	100040464+seeincodes@users....
__init__.py in src/claude_agent_sdk	469	7	2025-09-28	2026-06-12	26	12	dickson@anthropic.com	35135337+maxim092001@users....
message_parser.py in src/claude_agent_sdk/_internal	297	1	2025-09-28	2026-06-12	17	12	dickson@anthropic.com	35135337+maxim092001@users....
client.py in src/claude_agent_sdk	249	2	2025-09-28	2026-05-05	21	12	dickson@anthropic.com	qing@anthropic.com
client.py in src/claude_agent_sdk/_internal	160	2	2025-09-28	2026-05-05	13	8	dickson@anthropic.com	qing@anthropic.com
_errors.py in src/claude_agent_sdk	30	4	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
__init__.py in src/claude_agent_sdk/_internal/transport	23	2	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
query.py in src/claude_agent_sdk	18	-	2025-09-28	2026-04-22	5	4	dickson@anthropic.com	sarahdeaton@anthropic.com
_version.py in src/claude_agent_sdk	1	-	2025-09-28	2026-03-20	3	3	dickson@anthropic.com	qing@anthropic.com
__init__.py in src/claude_agent_sdk/_internal	1	-	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
update_version.py in scripts	31	1	2025-07-21	2025-11-19	4	2	dickson@anthropic.com	ashwin@anthropic.com

Most Recently Changed Files (Top 30)

File	# lines	# units	created	last modified	# changes (days)	# contributors	first contributor	latest contributor
_cli_version.py in src/claude_agent_sdk	1	-	2025-11-19	2026-06-23	122	2	actions@github.com	actions@github.com
types.py in src/claude_agent_sdk	757	2	2025-09-28	2026-06-12	42	27	50384638+mng-dev-ai@users.n...	35135337+maxim092001@users....
__init__.py in src/claude_agent_sdk	469	7	2025-09-28	2026-06-12	26	12	dickson@anthropic.com	35135337+maxim092001@users....
message_parser.py in src/claude_agent_sdk/_internal	297	1	2025-09-28	2026-06-12	17	12	dickson@anthropic.com	35135337+maxim092001@users....
session_store_conformance.py in src/claude_agent_sdk/testing	221	2	2026-04-19	2026-06-04	3	1	qing@anthropic.com	qing@anthropic.com
refresh-identity-token.js in .github/actions/setup-claude-auth	20	1	2026-06-02	2026-06-02	1	1	ashwin@anthropic.com	ashwin@anthropic.com
sessions.py in src/claude_agent_sdk/_internal	1060	44	2026-03-03	2026-05-26	8	2	qing@anthropic.com	dsmilkov@gmail.com
session_resume.py in src/claude_agent_sdk/_internal	335	8	2026-04-19	2026-05-26	3	3	qing@anthropic.com	dsmilkov@gmail.com
transcript_mirror_batcher.py in src/claude_agent_sdk/_internal	132	1	2026-04-19	2026-05-26	4	3	qing@anthropic.com	dsmilkov@gmail.com
subprocess_cli.py in src/claude_agent_sdk/_internal/transport	523	9	2025-09-28	2026-05-14	32	25	50384638+mng-dev-ai@users.n...	100040464+seeincodes@users....
query.py in src/claude_agent_sdk/_internal	597	8	2025-09-28	2026-05-07	24	13	dickson@anthropic.com	qing@anthropic.com
client.py in src/claude_agent_sdk	249	2	2025-09-28	2026-05-05	21	12	dickson@anthropic.com	qing@anthropic.com
client.py in src/claude_agent_sdk/_internal	160	2	2025-09-28	2026-05-05	13	8	dickson@anthropic.com	qing@anthropic.com
session_summary.py in src/claude_agent_sdk/_internal	142	5	2026-04-21	2026-05-05	2	1	qing@anthropic.com	qing@anthropic.com
_task_compat.py in src/claude_agent_sdk/_internal	88	13	2026-04-24	2026-04-24	1	1	qing@anthropic.com	qing@anthropic.com
session_import.py in src/claude_agent_sdk/_internal	84	1	2026-04-22	2026-04-22	1	1	qing@anthropic.com	qing@anthropic.com
query.py in src/claude_agent_sdk	18	-	2025-09-28	2026-04-22	5	4	dickson@anthropic.com	sarahdeaton@anthropic.com
session_store.py in src/claude_agent_sdk/_internal	119	7	2026-04-19	2026-04-21	2	1	qing@anthropic.com	qing@anthropic.com
session_mutations.py in src/claude_agent_sdk/_internal	508	15	2026-03-12	2026-04-19	4	1	qing@anthropic.com	qing@anthropic.com
session_store_validation.py in src/claude_agent_sdk/_internal	27	2	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
__init__.py in src/claude_agent_sdk/testing	2	-	2026-04-19	2026-04-19	1	1	qing@anthropic.com	qing@anthropic.com
download_cli.py in scripts	106	5	2025-11-19	2026-03-24	2	2	ashwin@anthropic.com	qing@anthropic.com
check_pypi_quota.py in scripts	100	3	2026-03-20	2026-03-20	1	1	qing@anthropic.com	qing@anthropic.com
_version.py in src/claude_agent_sdk	1	-	2025-09-28	2026-03-20	3	3	dickson@anthropic.com	qing@anthropic.com
build_wheel.py in scripts	268	13	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
update_version.py in scripts	31	1	2025-07-21	2025-11-19	4	2	dickson@anthropic.com	ashwin@anthropic.com
update_cli_version.py in scripts	20	1	2025-11-19	2025-11-19	1	1	ashwin@anthropic.com	ashwin@anthropic.com
_errors.py in src/claude_agent_sdk	30	4	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
__init__.py in src/claude_agent_sdk/_internal/transport	23	2	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com
__init__.py in src/claude_agent_sdk/_internal	1	-	2025-09-28	2025-09-28	1	1	dickson@anthropic.com	dickson@anthropic.com