Debugging

17,101 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

safe-fix-mcp

1537

pamela-0/safe-fix-mcp

Skill Claude CodeCodex

Finds real dead code (unused imports, functions, classes) and unused dependencies in a Python repository, and proposes a safe, test-gated branch+PR to remove the safely-removable ones. Use this whenever the user asks to find or clean up dead code, unused imports, unused dependencies, or "bloat" in a Python project…

not rated 1 2mo ago A 144 tokens original MIT

log

1538

rog0x/mcp-log-tools

MCP server Claude CodeCodexCursor +2

Log parse, filter, analyze for AI agents. Runs locally from the @rog0x/mcp-log-tools npm package.

not rated 1 7mo ago A tokens not measured

mcp-lint

1539

robert19001-cmyk/mcp-lint

MCP server Claude CodeCodexCursor +2

Lint MCP tool schemas for cross-client compatibility and agent preflight safety. Runs locally from the mcp-lint npm package.

not rated 1 3d ago A tokens not measured original MIT

codelens-mcp

1540

segentic-lab/codelens-mcp

MCP server Claude CodeCodexCursor +2

MCP server for semantic code search - index your codebase and search with natural language. Runs locally from the codelens-mcp npm package.

not rated 1 4mo ago A tokens not measured AGPL-3.0 archived

@vk0/code-impact-mcp

1542

vk0dev/code-impact-mcp

Plugin Claude Code

Bundles 1 MCP server

Dependency graph, blast-radius analysis, and gate-style checks for local TypeScript and JavaScript repositories. Predict what breaks before you commit.

not rated 1 1mo ago A tokens not measured original MIT

n8n-workflow-tester

1543

Souzix76/n8n-workflow-tester-safe

Skill Claude CodeCodex

Test, score, and inspect n8n workflows via MCP. Safe by design — no credential access, no destructive auto-repair. Use when testing workflows, debugging executions, searching nodes, or building workflows incrementally.

not rated 1 8d ago A 52 tokens original MIT

pwndbg-lldb-mcp

1545

Micro-Evaluation-Group/pwndbg-lldb-mcp

MCP server Claude CodeCodexCursor +2

MCP server "pwndbg-lldb-mcp" as configured in Micro-Evaluation-Group/pwndbg-lldb-mcp. Runs locally from the pwndbg-lldb-mcp Python package.

not rated 1 2mo ago A tokens not measured original MIT

gdb-mcp-server

1546

airfloats/gdb_mcp

MCP server Claude CodeCodexCursor +2

MCP server "gdb-mcp-server" as configured in airfloats/gdbmcp. Runs locally from the gdb-mcp-server Python package.

not rated 1 6mo ago A tokens not measured original MIT

fence

1547

tokyubevoxelverse/fence

Skill Claude CodeCodex

Investigate why a strange piece of code exists before anyone deletes it (Chesterton's fence). Use when the user points at a weird line, hack, magic constant, or workaround and asks why it's there, whether it's still needed, or if it's safe to remove.

not rated 1 3mo ago A 57 tokens original MIT

test-execution

1548

zavora-ai/skill-test-execution

Skill Claude Code

Orchestrate test execution — run unit, integration, and E2E tests, collect coverage reports, and analyze failures. Use when running tests, checking coverage, debugging test failures, or validating code changes before merge.

not rated 1 5mo ago A 48 tokens

ralph-replanner

1549

javi22020/ralph

Agent Claude Code

Triage a stuck Ralph loop and propose either a revised fix plan, a specific question to ask the user, or a recommendation that the task is infeasible. Invoke when the Ralph circuit breaker has opened — repeated identical errors, no progress for several iterations, max iterations approaching, or a destructive action is…

not rated 1 6mo ago A 72 tokens

checkup

1550

tokyubevoxelverse/checkup

Skill Claude CodeCodex

Give a repository a full health exam — doc rot, dependency staleness, CI decay, git hygiene, dead links, docs contradicting code — and grade it. Use when the user wants to know what quietly rotted, or a prioritized maintenance list.

not rated 1 3mo ago A 55 tokens original MIT

defect-analyzer

1551

ukkuru/testmetry-skills

Skill Claude Code

Use when someone asks to analyze a defect report, analyze bug data, perform defect metrics analysis, review a defect log, or upload a defect file for quality insights.

not rated 1 7mo ago A 38 tokens

zavora-ai/skill-observability-monitoring

Skill Claude Code

Orchestrate full-stack observability — query logs, search traces, monitor metrics, manage alerts, handle incidents, track SLOs, and execute runbooks. Use when debugging errors, investigating latency, checking service health, managing alerts, responding to incidents, reviewing SLO burn rate, or finding runbooks.

not rated 1 5mo ago A 68 tokens

subtraction-audit

1553

Howell5/willhong-skills

Skill Claude CodeCodex

A code-reduction audit method for finding unused code, duplicate implementations, unused dependencies, and unnecessary generalisation. It also creates automated checks to prevent a codebase from growing without need.

not rated 1 2mo ago A 161 tokens

code-graph

1554

valarpirai/code-graph

Skill Claude Code

Query the Code Graph knowledge graph for this codebase. Use when the user asks about code structure, call relationships, dependencies, blast radius, or wants to run SPARQL queries against the project graph. Requires the backend and MCP server to be running.

not rated 1 6mo ago A 55 tokens original MIT

claude-drift

1555

marky291/claude-drift

Plugin Claude Code

Bundles 1 skill, 2 agents · 243 tokens together

Detects and fixes drift between a project's Claude artifacts (CLAUDE.md, skills, commands, agents, hooks/settings, and native/MCP memory) and the project's actual current reality: broken references, stale context, and legacy-narration framing that should read forward-looking.

not rated 1 4mo ago A tokens not measured original MIT

grounding-guard

1556

sanjeewamadhuranga/grounding-guard

Plugin Claude Code

Bundles 2 skills, 2 hooks · 79 tokens together

Hook-enforced ground-truth verification for Claude Code. Catches fabricated package names, unpublished versions, unresolvable imports, and nonexistent git SHAs before they land in your codebase — and feeds the correction back to Claude so it fixes itself in-loop.

not rated 1 3mo ago A tokens not measured original MIT

repo-doctor

1557

BekbolotM/repo-doctor

Plugin Claude Code

Bundles 1 command, 6 agents · 199 tokens together

Full health checkup for any repository: Health Score 0-100, findings across 5 dimensions (security, code quality, testing, production readiness, docs), a prioritized fix plan, and one-command fixes with /audit fix N.

not rated 1 3mo ago A tokens not measured original MIT

columbo

1558

takoyaro/the-agency

Agent Claude Code

Root-cause investigator. Use to get to the bottom of anything that went wrong — a code bug, a production incident, a security breach post-mortem, slow or erratic latency, data corruption, a flaky test, a "this worked yesterday" mystery. Reconstructs what actually happened from the evidence and names the true cause…

not rated 1 4mo ago A 77 tokens original MIT

craftsman

1560

gul-labs/craftsman-marketplace

Plugin Claude Code

Bundles 12 skills · 1,830 tokens together

Ship something with Lovable, Replit, Bolt, v0, Claude Code, or Codex and it works, but nobody with an engineering background has checked it. This is the engineering review you'd get from the technical co-founder you don't have. craft-audit checks the whole project across ten areas: UX, frontend, backend, database…

not rated 1 changed 1mo ago A tokens not measured original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: