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Enjoy Kumawat

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Education

Shridhar University

Work

Ai Engineer at Riversandlab Canada

What a Regex-Based Claude Code Hook Can and Can't Block
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What a Regex-Based Claude Code Hook Can and Can't Block

#claudecode #security #devtools #python
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4 min read

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What Git Worktrees Actually Isolate (and What They Don't)
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What Git Worktrees Actually Isolate (and What They Don't)

#claudecode #devtools #productivity #agents
Comments 1
4 min read
How Much Does a Duplicate-Article Check Cost After 141 Publishes?
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How Much Does a Duplicate-Article Check Cost After 141 Publishes?

#python #devtools #debugging #productivity
Comments
4 min read
Logging a Change Is Not the Same as Being Able to Undo It
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Logging a Change Is Not the Same as Being Able to Undo It

#ai #agents #mcp #python
Comments
5 min read
A 2-Token Prompt and a 39,966-Token Bill: Measuring What My Agent Actually Costs
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A 2-Token Prompt and a 39,966-Token Bill: Measuring What My Agent Actually Costs

#ai #llm #claudecode #devtools
2
Comments 2
5 min read
My MCP Server's Test Suite Ran Clean Every Time. It Was Also Writing to My Production Audit Log Every Time.
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My MCP Server's Test Suite Ran Clean Every Time. It Was Also Writing to My Production Audit Log Every Time.

#python #debugging #mcp #devtools
4
Comments 4
4 min read
My Bare os.environ[...] KeyError Bug Had Two Fixes on Record. I Found a Third Call Site That Never Got Either.
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My Bare os.environ[...] KeyError Bug Had Two Fixes on Record. I Found a Third Call Site That Never Got Either.

#python #debugging #devtools #mcp
4
Comments 4
4 min read
"My pending() Function Learned to Draft Against Nested Comments. My audit() Function Never Learned to Look for Them."
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"My pending() Function Learned to Draft Against Nested Comments. My audit() Function Never Learned to Look for Them."

#mcp #python #debugging #devtools
3
Comments 4
5 min read
My MCP Tool's Schema Lists null as the Default for a Field. Sending null Was the One Value It Rejected.
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My MCP Tool's Schema Lists null as the Default for a Field. Sending null Was the One Value It Rejected.

#mcp #python #debugging #agents
3
Comments 4
4 min read
My Agent's Memory File Told It to "Check Before Proposing Changes." The File Had Grown Past What Its Own Read Tool Would Load.
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My Agent's Memory File Told It to "Check Before Proposing Changes." The File Had Grown Past What Its Own Read Tool Would Load.

#ai #agents #claudecode #productivity
1
Comments
5 min read
The Permission Boundary My MCP Server Doesn't Actually Have
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The Permission Boundary My MCP Server Doesn't Actually Have

#mcp #agents #security #python
2
Comments 2
4 min read
My create_article Tool Refuses Duplicate Titles. My update_article Tool, Doing the Exact Same Thing, Never Checked.
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My create_article Tool Refuses Duplicate Titles. My update_article Tool, Doing the Exact Same Thing, Never Checked.

#mcp #python #devtools #debugging
2
Comments 3
4 min read
My Confirm Gate for Overwriting a Live Article Checked That I Meant It. It Never Checked Whether What I Approved Was Still There.
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My Confirm Gate for Overwriting a Live Article Checked That I Meant It. It Never Checked Whether What I Approved Was Still There.

#mcp #security #python #debugging
1
Comments
4 min read
My Docs-Drift Checker Validates Two of My Three Memory Files. The One I Actually Search First Had None.
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My Docs-Drift Checker Validates Two of My Three Memory Files. The One I Actually Search First Had None.

#python #devtools #debugging #ai
Comments 2
5 min read
My MCP Tool Logged Every Overwrite of a Live Article. Nothing Ever Stopped the Overwrite.
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My MCP Tool Logged Every Overwrite of a Live Article. Nothing Ever Stopped the Overwrite.

#mcp #security #python #debugging
1
Comments 3
4 min read
I Built the Per-Tag Score Tracker My Own Audit Said Was Missing. One Article Explains Half the Ranking.
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I Built the Per-Tag Score Tracker My Own Audit Said Was Missing. One Article Explains Half the Ranking.

#ai #mcp #python #productivity
1
Comments
5 min read
My Audit Log Bug Got Logged as "an Open Gap." It Sat Unfixed for Two Weeks Anyway.
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My Audit Log Bug Got Logged as "an Open Gap." It Sat Unfixed for Two Weeks Anyway.

#mcp #python #devtools #debugging
1
Comments 2
5 min read
My Publish Script Checks for Duplicates Before It Posts. Nothing Stops Two Checks From Passing at Once.
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My Publish Script Checks for Duplicates Before It Posts. Nothing Stops Two Checks From Passing at Once.

#python #security #debugging #devtools
1
Comments 2
5 min read
My claude -p Call Has a --safe-mode Flag for Isolation. It Never Isolated the Two API Keys Sitting Right Next To It.
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My claude -p Call Has a --safe-mode Flag for Isolation. It Never Isolated the Two API Keys Sitting Right Next To It.

#security #python #claudecode #debugging
2
Comments
5 min read
My Doc-Drift Checker Has Two Different Ideas of "Documented," and Only Uses the Wrong One
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My Doc-Drift Checker Has Two Different Ideas of "Documented," and Only Uses the Wrong One

#python #debugging #devtools #productivity
Comments
4 min read
My Frontmatter Parser Checks for Too Few Delimiters. It Never Checked for Too Many.
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My Frontmatter Parser Checks for Too Few Delimiters. It Never Checked for Too Many.

#python #debugging #devtools #ai
Comments
4 min read
My MCP Tool's Empty-Payload Guard Checks Whether You Passed a Field. It Never Checked Whether the Field Would Actually Change Anything.
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My MCP Tool's Empty-Payload Guard Checks Whether You Passed a Field. It Never Checked Whether the Field Would Actually Change Anything.

#mcp #python #debugging #ai
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Comments 4
4 min read
My Commit Hook Has Ten Documented Fixes. Its Own Guard Clause May Have Kept It From Running on a Single One of My Real Commits.
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My Commit Hook Has Ten Documented Fixes. Its Own Guard Clause May Have Kept It From Running on a Single One of My Real Commits.

#git #python #debugging #ai
1
Comments
4 min read
My Doc-Drift Checker's Fix Ended Up Protecting a Second Copy of the Same False Claim
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My Doc-Drift Checker's Fix Ended Up Protecting a Second Copy of the Same False Claim

#python #debugging #devtools #ai
1
Comments 2
6 min read
My Comment-Reply Pipeline Picks One Winner Per Thread. Two Commenters Broke That.
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My Comment-Reply Pipeline Picks One Winner Per Thread. Two Commenters Broke That.

#python #debugging #devtools #ai
1
Comments 6
5 min read
My Commit Message Filter Only Knew One Way to Say "Written by Claude"
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My Commit Message Filter Only Knew One Way to Say "Written by Claude"

#ai #python #git #security
1
Comments 2
4 min read
A Space Before the `=` in My .env File Made a Credential Silently Disappear
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A Space Before the `=` in My .env File Made a Credential Silently Disappear

#python #security #debugging #devtools
Comments 2
4 min read
I Pass Git Diffs to My AI Commit Generator as a Command-Line Argument. A Big Enough One Breaks It.
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I Pass Git Diffs to My AI Commit Generator as a Command-Line Argument. A Big Enough One Breaks It.

#python #ai #mcp #debugging
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Comments 2
4 min read
My AI Commit-Message Script Assumed Every File in My Repo Is UTF-8. Mine Wasn't.
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My AI Commit-Message Script Assumed Every File in My Repo Is UTF-8. Mine Wasn't.

#python #git #debugging #ai
Comments
4 min read
I Score Every Trending Topic Before Writing About It. I've Never Scored My Own 30 Articles.
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I Score Every Trending Topic Before Writing About It. I've Never Scored My Own 30 Articles.

#ai #agents #python #debugging
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Comments 4
4 min read
My MCP Server's GitHub Token Can Write. The Code That Promises It Never Will Had No Test.
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My MCP Server's GitHub Token Can Write. The Code That Promises It Never Will Had No Test.

#security #mcp #python #ai
1
Comments 6
4 min read
I Measured What My Curated MCP Tool Output Is Actually Saving
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I Measured What My Curated MCP Tool Output Is Actually Saving

#mcp #llm #python #ai
3
Comments 2
4 min read
My Fix Commit Cited a bugs.md Entry That Didn't Exist Yet
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My Fix Commit Cited a bugs.md Entry That Didn't Exist Yet

#mcp #ai #python #debugging
4
Comments 2
4 min read
My Commit-Message Script Has 8 Assertions in --selftest. None of Them Touch the Code That Can Actually Fail.
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My Commit-Message Script Has 8 Assertions in --selftest. None of Them Touch the Code That Can Actually Fail.

#python #debugging #claudecode #devtools
1
Comments 4
4 min read
I Ran `claude -p` for One Commit Message. My Whole CLAUDE.md Came Along Uninvited.
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I Ran `claude -p` for One Commit Message. My Whole CLAUDE.md Came Along Uninvited.

#claudecode #ai #python #devtools
1
Comments 4
4 min read
"My MCP Server's Two Credential Checks Were Flagged Missing Five Days Ago. Nobody Fixed Them."
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"My MCP Server's Two Credential Checks Were Flagged Missing Five Days Ago. Nobody Fixed Them."

#python #debugging #mcp #devtools
2
Comments 8
4 min read
"My Comment-Reply Pipeline Was Feeding Me Garbled HTML Entities Instead of the Actual Comment"
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"My Comment-Reply Pipeline Was Feeding Me Garbled HTML Entities Instead of the Actual Comment"

#python #debugging #devtools #mcp
2
Comments 4
4 min read
I Verify Every Fix in This Repo With a Stubbed Repro. Two of the Most Recent Ones Never Became a Permanent Test.
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I Verify Every Fix in This Repo With a Stubbed Repro. Two of the Most Recent Ones Never Became a Permanent Test.

#python #testing #debugging #devtools
1
Comments 2
5 min read
My Publish Script's Duplicate-Article Check Learned to Paginate. Its Twin in the MCP Server Never Got the Fix.
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My Publish Script's Duplicate-Article Check Learned to Paginate. Its Twin in the MCP Server Never Got the Fix.

#python #mcp #debugging #devtools
1
Comments 2
5 min read
My Idempotency Guard Exists to Survive One Specific Error. That Error Made It Fail Open.
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My Idempotency Guard Exists to Survive One Specific Error. That Error Made It Fail Open.

#python #api #debugging #devtools
1
Comments 2
5 min read
My MCP Tool Fetches Before It Writes and Logs Every Change. It Never Checked Whether There Was Anything to Change.
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My MCP Tool Fetches Before It Writes and Logs Every Change. It Never Checked Whether There Was Anything to Change.

#mcp #python #debugging #devtools
1
Comments 2
4 min read
I "Verified Live" the Same Git Hook Fix Three Times. I Never Once Let Git Decide Whether to Run It.
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I "Verified Live" the Same Git Hook Fix Three Times. I Never Once Let Git Decide Whether to Run It.

#python #git #debugging #devtools
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Comments 4
4 min read
I Fixed a Missing except Clause in One File. Two Comment Replies Later I Confirmed the Other Two Still Had It.
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I Fixed a Missing except Clause in One File. Two Comment Replies Later I Confirmed the Other Two Still Had It.

#python #debugging #devtools #api
1
Comments 2
4 min read
"My MCP Tool's Docstring Promised 'limit: 1-100.' Passing -1 Returned Almost Everything, Not Nothing."
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"My MCP Tool's Docstring Promised 'limit: 1-100.' Passing -1 Returned Almost Everything, Not Nothing."

#mcp #python #debugging #security
2
Comments 2
4 min read
"My Comment-Reply Script Asked DEV.to for 'My Articles.' Leaving Off One Query Param Silently Dropped the Newest Two."
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"My Comment-Reply Script Asked DEV.to for 'My Articles.' Leaving Off One Query Param Silently Dropped the Newest Two."

#python #api #debugging #devtools
Comments 4
4 min read
"My MCP Tool's Docstring Said 'Published Articles.' It Called the Endpoint That Returns Everything."
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"My MCP Tool's Docstring Said 'Published Articles.' It Called the Endpoint That Returns Everything."

#mcp #python #debugging #ai
Comments 4
3 min read
"My Docs Named the File That Stops AI Attribution in Commits. That File Isn't There."
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"My Docs Named the File That Stops AI Attribution in Commits. That File Isn't There."

#claudecode #ai #security #debugging
Comments
5 min read
My Publish Script Has an ERROR Convention for Every Failure Path Except the One Parsing Its Own Input
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My Publish Script Has an ERROR Convention for Every Failure Path Except the One Parsing Its Own Input

#python #debugging #devtools #productivity
Comments 2
4 min read
My Commit Hook's Timeout Fix Said "Fixed Both." The Commit Diff Shows It Fixed One.
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My Commit Hook's Timeout Fix Said "Fixed Both." The Commit Diff Shows It Fixed One.

#python #debugging #claudecode #devtools
Comments 2
4 min read
My MCP Tool's Docstring Promised sort="stars". GitHub's API Was Never Going to Honor That Value.
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My MCP Tool's Docstring Promised sort="stars". GitHub's API Was Never Going to Honor That Value.

#mcp #python #debugging #devtools
1
Comments 6
5 min read
My Repo's Riskiest Regex Has Regressed Three Times on Record. It Never Got the Test Pattern I Gave Everything Else.
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My Repo's Riskiest Regex Has Regressed Three Times on Record. It Never Got the Test Pattern I Gave Everything Else.

#python #debugging #ai #devtools
Comments 2
5 min read
My Docs-Drift Checker Fixed One File. Its Sibling File Had the Identical Bug for 8 Days, Flagged and Ignored.
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My Docs-Drift Checker Fixed One File. Its Sibling File Had the Identical Bug for 8 Days, Flagged and Ignored.

#python #debugging #ai #devtools
Comments 4
5 min read
My First Published Article Links to a GitHub User That Doesn't Exist. It's Been Live and Broken for 45 Days.
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My First Published Article Links to a GitHub User That Doesn't Exist. It's Been Live and Broken for 45 Days.

#debugging #python #devtools #productivity
Comments 2
5 min read
My Publishing Task's Step 1 URL Returns 30 Titles. Step 2 Calls That "the Full List." My Account Has 91.
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My Publishing Task's Step 1 URL Returns 30 Titles. Step 2 Calls That "the Full List." My Account Has 91.

#python #api #ai #debugging
Comments
4 min read
My Hook's Path Fix Passed Its Own Test. It Broke My README's Other Install Method.
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My Hook's Path Fix Passed Its Own Test. It Broke My README's Other Install Method.

#git #ai #claudecode #debugging
Comments 3
4 min read
My Detached-HEAD Recovery Script Handled HEAD Ahead of Main. I Never Tested HEAD Behind It.
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My Detached-HEAD Recovery Script Handled HEAD Ahead of Main. I Never Tested HEAD Behind It.

#git #claudecode #devtools #debugging
Comments 2
4 min read
My Publish Script Has a Retry Instruction in Its Own Task Prompt. It Had No Guard Against That Retry Creating a Duplicate.
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My Publish Script Has a Retry Instruction in Its Own Task Prompt. It Had No Guard Against That Retry Creating a Duplicate.

#python #devtools #debugging #ai
2
Comments 2
6 min read
My Publish Script's except HTTPError Looked Complete. It Doesn't Catch the One Failure Its Own Timeout Guarantees.
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My Publish Script's except HTTPError Looked Complete. It Doesn't Catch the One Failure Its Own Timeout Guarantees.

#python #api #debugging #devtools
5
Comments 4
4 min read
My Comment-Reply Script's Only Network Call Had Zero except Blocks. I'd Already Fixed This Exact Bug in a Different File.
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My Comment-Reply Script's Only Network Call Had Zero except Blocks. I'd Already Fixed This Exact Bug in a Different File.

#python #debugging #devtools #ai
5
Comments 4
4 min read
My Comment-Reply Queue Draft One Reply to a Thread and It Went Deaf to Every Follow-Up After That
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My Comment-Reply Queue Draft One Reply to a Thread and It Went Deaf to Every Follow-Up After That

#python #debugging #devtools #ai
Comments 4
5 min read
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