agent harness hooks

92 tagged agent harness, measured the same way as everything else here.

Browse within: agent-failure 25agent-observability 25agent-reliability 25agent-tracing 25harness-engineering 15context-engineering 10hooks 10llm-agents 10Orchestration 6agentic-workflows 6autonomous-agent 6chief-of-staff 5para 5personal-knowledge-management 5

PermissionRequest

01

FailproofAI/failproofai

Hook Claude Code

Runs when the agent asks permission for an action, executing dev-hook.mjs with --hook. From FailproofAI/failproofai.

1.7k +104 today A tokens not measured

PermissionDenied

02

FailproofAI/failproofai

Hook Claude Code

Runs on the PermissionDenied event, executing dev-hook.mjs with --hook. From FailproofAI/failproofai.

1.7k +104 today A tokens not measured

PostToolUseFailure

03

FailproofAI/failproofai

Hook Claude Code

Runs when a tool call fails, executing dev-hook.mjs with --hook. From FailproofAI/failproofai.

1.7k +104 today A tokens not measured

SessionStart

04

first-fluke/oh-my-agent

Hook

Runs when a session starts, executing plugin-bootstrap.sh via sh. From first-fluke/oh-my-agent.

1.3k 2d ago A tokens not measured original MIT

UserPromptSubmit

05

first-fluke/oh-my-agent

Hook

Runs when you submit a prompt, before the agent sees it, executing keyword-detector.ts, state-boundary.ts and skill-injector.ts via bun (3 commands). From first-fluke/oh-my-agent.

1.3k 2d ago A tokens not measured original MIT

PreToolUse

06

first-fluke/oh-my-agent

Hook

Runs before the agent uses a tool for Bash tool calls, executing test-filter.ts via bun. From first-fluke/oh-my-agent.

1.3k 2d ago A tokens not measured original MIT

PreToolUse

07

SponsioLabs/Sponsio

Hook

Runs before the agent uses a tool, running sponsio plugin guard --stdin. From SponsioLabs/Sponsio.

438 3d ago A tokens not measured original Apache-2.0

PreToolUse

08

CodelyTV/agent-harness

Hook Claude Code

Runs before the agent uses a tool for Bash tool calls, running an inline shell check. From CodelyTV/agent-harness.

235 +3 25d ago A tokens not measured

SessionStart

09

sd0xdev/sd0x-harness

Hook

Runs when a session starts on startup, compact and compact, executing namespace-hint.sh and post-compact-auto-loop.sh (2 commands). From sd0xdev/sd0x-harness.

188 yesterday A tokens not measured original MIT

PostToolUse

10

sd0xdev/sd0x-harness

Hook

Runs after a tool call finishes for Edit, Write, NotebookEdit and Skill tool calls, executing post-edit-format.sh and post-skill-auto-loop.sh (2 commands). From sd0xdev/sd0x-harness.

188 yesterday A tokens not measured original MIT

UserPromptSubmit

11

sd0xdev/sd0x-harness

Hook

Runs when you submit a prompt, before the agent sees it, executing user-prompt-review-guard.sh. From sd0xdev/sd0x-harness.

188 yesterday A tokens not measured original MIT

PreToolUse

12

romiluz13/cc10x

Hook

Runs before the agent uses a tool for Edit, Write and Bash tool calls, executing cc10x_pretooluse_guard.py and cc10x_git_guard.py via python3 (2 commands). From romiluz13/cc10x.

164 28d ago A tokens not measured original MIT

SessionStart

13

romiluz13/cc10x

Hook

Runs when a session starts on startup, resume and compact, executing cc10x_sessionstart_context.py via python3. From romiluz13/cc10x.

164 28d ago A tokens not measured original MIT

PostToolUse

14

romiluz13/cc10x

Hook

Runs after a tool call finishes for Edit and Write tool calls, executing cc10x_posttooluse_artifact_guard.py via python3. From romiluz13/cc10x.

164 28d ago A tokens not measured original MIT

SessionStart

15

genai-io/san

Hook

Runs when a session starts, running echo 'test-plugin: SessionStart hook triggered' >> /tmp/test. From genai-io/san.

75 4d ago A tokens not measured original Apache-2.0

SessionStart

16

vitaliikapliuk/modelharness

Hook

Runs when a session starts on startup, resume, clear and compact, executing session-start.sh. From vitaliikapliuk/modelharness.

38 2mo ago A tokens not measured copy · 100% MIT

PreToolUse

17

tomcounsell/ai

Hook Claude Code

Runs before the agent uses a tool for Bash, Write and Edit tool calls, executing pre_tool_use.py, pre_tool_use_bash.py and validate_design_system_readonly.py (3 commands). From tomcounsell/ai.

22 4d ago A tokens not measured GPL-3.0

PostToolUse

18

tomcounsell/ai

Hook Claude Code

Runs after a tool call finishes for Write, Edit, Write and Edit tool calls, executing post_tool_use.py, validate_documentation_section.py, validate_test_impact_section.py, validate_verification_section.py, validate_no_gos_justification.py, validate_file_contains.py, validate_features_readme_sort.py, sdlc_reminder.py…

22 4d ago A tokens not measured GPL-3.0

Stop

19

tomcounsell/ai

Hook Claude Code

Runs when the agent finishes a response, executing stop.py and validate_sdlc_on_stop.py with --chat (2 commands). From tomcounsell/ai.

22 4d ago A tokens not measured GPL-3.0

PostToolUse

20

HexamindOrganisation/hexgate

Hook Claude Code

Runs after a tool call finishes for Edit and Write tool calls, executing format-on-edit.sh via bash. From HexamindOrganisation/hexgate.

18 3d ago A tokens not measured original MIT

SessionStart

21

384961890-ui/Pawin-Brain

Hook

Runs when a session starts on startup and resume, executing codex-hook-router.js via node. From 384961890-ui/Pawin-Brain.

9 1mo ago A tokens not measured original MIT

UserPromptSubmit

22

384961890-ui/Pawin-Brain

Hook

Runs when you submit a prompt, before the agent sees it, executing codex-hook-router.js via node. From 384961890-ui/Pawin-Brain.

9 1mo ago A tokens not measured original MIT

PostToolUse

23

384961890-ui/Pawin-Brain

Hook

Runs after a tool call finishes, executing codex-hook-router.js via node. From 384961890-ui/Pawin-Brain.

9 1mo ago A tokens not measured original MIT

PreToolUse

24

samartomar/ai-harness

Hook Claude Code

Runs before the agent uses a tool for Bash tool calls, running ecc-precheck. From samartomar/ai-harness.

6 4d ago A tokens not measured original Apache-2.0