codex

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T

Abhinav 85fc4def35 Add MCP tool handler support to the hooks engine (#38705 )

## What changed

- Discover synchronous `mcp_tool` hook handlers and invoke their configured MCP server and tool through a supplied executor.
- Expand nested hook-event placeholders in MCP tool inputs while preserving JSON types, and process tool output through the existing hook output contract.
- Represent hook details as handler-specific metadata in `hooks/list`, including MCP server and tool fields, and show those details in the TUI hooks browser.
- Skip unsupported `SessionEnd` MCP hooks and runtimes without MCP invocation support with startup warnings.

## Testing

- Cover argument expansion, missing placeholders, MCP invocation and hook decisions, discovery warnings, `hooks/list` metadata, and TUI rendering.

GitOrigin-RevId: 295b845471fe92bd7ad7cd272fbcd2c3713912e0

2026-08-15 05:53:54 +00:00

account_thread_usage.rs

Show estimated thread usage in /status (#38281 )

2026-08-13 00:30:08 +00:00

account.rs

Enforce managed authentication requirements locally (#37132 )

2026-08-05 18:09:26 +00:00

analytics.rs

Collect plugin metrics from remote executors (#38283 )

2026-08-13 00:39:04 +00:00

app_installed.rs

Upgrade rmcp to 3.0.0-beta.3 (#35720 )

2026-07-28 05:17:25 +00:00

app_list.rs

Upgrade rmcp to 3.0.0 (#36001 )

2026-07-29 17:38:20 +00:00

app_read.rs

Use thread configuration for app/read (#37891 )

2026-08-10 22:39:29 +00:00

attestation.rs

Negotiate MCP extensions per app-server session (#36910 )

2026-08-04 15:23:43 +00:00

auto_env.rs

test: add delayed exec-server transport (#31427 )

2026-07-09 00:17:38 +00:00

client_metadata.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

code_mode_host.rs

Support gRPC code-mode hosts in app server (#38288 )

2026-08-13 01:32:42 +00:00

collaboration_mode_list.rs

test: migrate TestAppServer callers to builder (#31451 )

2026-07-08 00:15:49 +00:00

command_exec.rs

Add a feature flag to preserve apply_patch line endings (#37758 )

2026-08-10 01:44:30 +00:00

compaction.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

config_rpc.rs

Embed defaults in the packaged config layer (#38179 )

2026-08-12 12:15:47 +00:00

connection_handling_websocket_unix.rs

[codex] Add user input client ids (#24653 )

2026-05-28 14:54:39 -07:00

connection_handling_websocket.rs

Emit exec-policy warnings for freshly loaded thread config (#31253 )

2026-07-06 10:17:15 -07:00

curated_mcp_sync.rs

Negotiate MCP extensions per app-server session (#36910 )

2026-08-04 15:23:43 +00:00

current_time.rs

Tag current time reminders in model context (#38443 )

2026-08-13 21:53:52 +00:00

dynamic_tools.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

environment_add.rs

Report selected environment connection transitions (#33251 )

2026-07-15 05:21:13 +00:00

environment_info.rs

test: migrate TestAppServer callers to builder (#31451 )

2026-07-08 00:15:49 +00:00

environment_status.rs

Expose environment status through app-server (#32920 )

2026-07-14 01:49:16 +00:00

exec_server_test_support.rs

[app-server] expose environment info RPC (#30291 )

2026-06-27 19:34:10 +00:00

executor_mcp.rs

Support per-server MCP OAuth callback ports (#38448 )

2026-08-13 22:42:12 +00:00

executor_skills.rs

Expose executor skill roots from skills.read (#38268 )

2026-08-12 22:54:35 +00:00

experimental_api.rs

Negotiate MCP extensions per app-server session (#36910 )

2026-08-04 15:23:43 +00:00

experimental_feature_list.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

external_agent_config.rs

Bound Cursor project path resolution (#37747 )

2026-08-10 00:12:01 +00:00

external_agent_import_sync.rs

Sync updates to imported external agent sessions (#36356 )

2026-07-31 16:17:44 +00:00

fs.rs

test: migrate TestAppServer callers to builder (#31451 )

2026-07-08 00:15:49 +00:00

git_attribution.rs

Represent persisted world state as JSON objects (#38274 )

2026-08-12 23:56:45 +00:00

hooks_list.rs

Add MCP tool handler support to the hooks engine (#38705 )

2026-08-15 05:53:54 +00:00

host_skills.rs

Refresh host skill catalogs through world state (#33425 )

2026-07-15 20:59:21 +00:00

imagegen_extension.rs

Expose image generation usage-limit failures (#38024 )

2026-08-11 15:40:52 +00:00

initialize.rs

Negotiate MCP extensions per app-server session (#36910 )

2026-08-04 15:23:43 +00:00

marketplace_add.rs

Handle @ in local marketplace paths (#34959 )

2026-07-23 15:32:36 +00:00

marketplace_remove.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

marketplace_upgrade.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

mcp_resource.rs

Simplify package-based skill reads (#37808 )

2026-08-10 11:10:01 +00:00

mcp_server_elicitation.rs

Support MCP form input in full-access user threads (#37864 )

2026-08-10 18:20:12 +00:00

mcp_server_status.rs

Add dynamic HTTP header helpers for MCP servers (#38245 )

2026-08-12 20:36:32 +00:00

mcp_tool.rs

Support MCP form input in full-access user threads (#37864 )

2026-08-10 18:20:12 +00:00

memory_reset.rs

Honor the configured SQLite home across state consumers (#34994 )

2026-07-23 19:19:35 +00:00

misalignment_policy.rs

Surface misalignment policy violations as typed errors (#38682 )

2026-08-15 01:34:33 +00:00

mod.rs

Surface misalignment policy violations as typed errors (#38682 )

2026-08-15 01:34:33 +00:00

model_auto_review.rs

Preserve approval policies for auto-reviewed models (#38439 )

2026-08-13 21:40:42 +00:00

model_list.rs

Enable parallel tool calls for all model prompts (#38499 )

2026-08-14 05:49:33 +00:00

model_provider_capabilities_read.rs

Add an Amazon Bedrock Runtime provider (#38470 )

2026-08-14 01:23:59 +00:00

multi_agent_v2_developer_instructions.rs

Allow agent roles on full-history forks (#37252 )

2026-08-06 10:27:33 +00:00

otel.rs

Reload app-server telemetry after account changes (#37339 )

2026-08-07 00:28:32 +00:00

output_schema.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

permission_profile_list.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

plan_item.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

plugin_install.rs

Support per-server MCP OAuth callback ports (#38448 )

2026-08-13 22:42:12 +00:00

plugin_list.rs

Route curated plugin catalogs by authentication mode (#38429 )

2026-08-13 20:20:01 +00:00

plugin_read.rs

Use thread configuration for app/read (#37891 )

2026-08-10 22:39:29 +00:00

plugin_search.rs

Merge local plugins into plugin search results (#36919 )

2026-08-04 16:16:30 +00:00

plugin_share.rs

Expose plugin installation timestamps in app-server summaries (#35859 )

2026-07-29 01:16:29 +00:00

plugin_uninstall.rs

Run plugin app-server tests in automatic environments (#38189 )

2026-08-12 13:33:01 +00:00

process_exec.rs

Prevent launch context from reaching child processes (#37607 )

2026-08-08 16:58:26 +00:00

rate_limit_reset_credits.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

rate_limits.rs

Support Enterprise automation account plans (#36228 )

2026-07-30 21:49:53 +00:00

realtime_conversation.rs

Add a realtime delegation acknowledgement control (#36413 )

2026-08-01 01:17:26 +00:00

recommended_plugins.rs

Decouple recommended plugins from tool suggestions (#35839 )

2026-07-28 22:53:33 +00:00

remote_control.rs

Exit the stdio app-server when its connection closes (#36035 )

2026-07-29 22:00:20 +00:00

remote_thread_store.rs

Add appearance metadata to thread sections (#37898 )

2026-08-10 23:32:42 +00:00

request_permissions.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

request_user_input.rs

Make user input blocking behavior explicit (#36410 )

2026-08-01 00:38:10 +00:00

request_validation.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

review.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

rollout_migration.rs

Add rollout migration tooling and background migration (#37348 )

2026-08-07 01:26:42 +00:00

safety_check_downgrade.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

selected_capability_stack.rs

Read executor skill packages directly (#38167 )

2026-08-12 10:34:25 +00:00

selected_environment.rs

Preserve executor paths in read command actions (#36223 )

2026-07-30 21:12:41 +00:00

server_diagnostics.rs

Expose runtime activity in server diagnostics (#37486 )

2026-08-07 18:38:24 +00:00

session_end.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

skills_list.rs

Route curated plugin catalogs by authentication mode (#38429 )

2026-08-13 20:20:01 +00:00

sleep.rs

Refresh environment dates from the configured clock (#36187 )

2026-07-30 16:44:18 +00:00

thread_archive.rs

Track thread archive analytics (#37199 )

2026-08-06 02:30:18 +00:00

thread_delete.rs

Enforce writer ownership for thread archive and deletion (#35031 )

2026-07-23 23:18:06 +00:00

thread_fork.rs

Preserve harness metadata across conversation history (#38058 )

2026-08-11 19:30:12 +00:00

thread_inject_items.rs

Track client-authored developer messages in rollout history (#38243 )

2026-08-12 20:05:49 +00:00

thread_list.rs

Extract persisted history types into a dedicated crate (#37871 )

2026-08-10 19:26:52 +00:00

thread_loaded_list.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

thread_memory_mode_set.rs

Honor the configured SQLite home across state consumers (#34994 )

2026-07-23 19:19:35 +00:00

thread_metadata_update.rs

Add appearance metadata to thread sections (#37898 )

2026-08-10 23:32:42 +00:00

thread_name_websocket.rs

Restore app-server websocket listener with auth guard (#22404 )

2026-05-12 18:40:53 -07:00

thread_queue.rs

Add experimental thread queue APIs to app server (#38456 )

2026-08-13 23:38:02 +00:00

thread_read.rs

Distinguish turn-start thread persistence (#37926 )

2026-08-11 03:35:45 +00:00

thread_resume.rs

Expose image generation usage-limit failures (#38024 )

2026-08-11 15:40:52 +00:00

thread_revert.rs

Add app-server support for reverting paginated threads (#38440 )

2026-08-13 21:45:02 +00:00

thread_rollback.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

thread_sections.rs

Add appearance metadata to thread sections (#37898 )

2026-08-10 23:32:42 +00:00

thread_settings_update.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

thread_shell_command.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

thread_start.rs

Add an Amazon Bedrock Runtime provider (#38470 )

2026-08-14 01:23:59 +00:00

thread_status.rs

Negotiate MCP extensions per app-server session (#36910 )

2026-08-04 15:23:43 +00:00

thread_unarchive.rs

Add appearance metadata to thread sections (#37898 )

2026-08-10 23:32:42 +00:00

thread_unsubscribe.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

turn_interrupt.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

turn_start_zsh_fork.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

turn_start.rs

Route curated plugin catalogs by authentication mode (#38429 )

2026-08-13 20:20:01 +00:00

turn_steer.rs

Simplify app-server integration test setup (#34786 )

2026-07-22 16:30:12 +00:00

view_image.rs

Allow disabling the built-in image viewer (#36966 )

2026-08-04 20:10:31 +00:00

web_search.rs

Allow custom providers to opt into standalone web search (#34846 )

2026-07-23 00:02:15 +00:00

windows_sandbox_setup.rs

test: migrate TestAppServer callers to builder (#31451 )

2026-07-08 00:15:49 +00:00