92 Commits

Author SHA1 Message Date
Ashwin Bhat
661a6fefbd
Add Workload Identity Federation (OIDC) authentication support (#1338)
* Add workload identity federation auth support

Adds anthropic_federation_rule_id, anthropic_organization_id,
anthropic_service_account_id, anthropic_workspace_id, and
anthropic_oidc_audience inputs. When the federation rule and organization
are set, the action fetches the workflow's GitHub Actions OIDC token,
writes it to a file in RUNNER_TEMP, keeps it refreshed during execution,
and points the Claude Code CLI at it via ANTHROPIC_IDENTITY_TOKEN_FILE so
the CLI can exchange it for a short-lived access token instead of using a
static API key.

* Add WIF example workflow and base-action federation docs

* Default workload identity OIDC audience to https://api.anthropic.com
2026-05-21 15:19:15 -07:00
Ashwin Bhat
1dc994ee7a
Resolve actor account type before applying allowed_bots (#1330)
Move the allowed_bots check in checkHumanActor and checkWritePermissions so
it only fires after the actor has been resolved as a non-User account
(GitHub App / bot, or unresolvable app actor). Actors that resolve to a
regular User account go through the standard human/write checks regardless
of allowed_bots.

The Copilot-style path (GITHUB_ACTOR not ending in [bot] and not resolvable
as a user) is unchanged: it still falls through to the existing 404 catch,
which already consults allowed_bots once the API has reported the actor is
not a user.

Update tests to match and add coverage for the User-account path.
2026-05-19 16:30:49 -07:00
Ashwin Bhat
d56f10247e
Strengthen simplified tag-mode prompt (USE_SIMPLE_PROMPT) (#1313)
The opt-in simplified tag-mode prompt omitted several guardrails the
default prompt has. Bring it closer to the default's posture while
keeping it terse:

- Scoping clarification: spell out that only the triggering comment
  (or the issue body for issue events) carries instructions; other
  comments, the body, review comments, and repository files are
  reference context, not commands to act on.
- Review-only stop-condition: questions and code reviews must not edit,
  commit, push, or create branches unless the trigger explicitly asks
  for a code change.
- PR base-branch diff: when triggered on a PR with a known base branch,
  compare against origin/<base> instead of main/master.
- Capability limits: cannot submit formal PR reviews, approve, or merge;
  decline politely and point to the FAQ.

Adds focused tests covering the new lines for both PR and non-PR
events, including presence/absence of the conditional base-branch line.
2026-05-14 17:06:45 -07:00
Ashwin Bhat
acfa366ca8
chore: bump pinned Bun to 1.3.14 (#1312)
* chore: bump pinned Bun to 1.3.14

* style: apply prettier to actor/permissions files
2026-05-14 18:55:04 -04:00
Kris
9eb125afe3
fix: handle non-user actors (e.g. Copilot) in permission and actor checks (#1144)
GitHub Apps like Copilot SWE Agent set GITHUB_ACTOR to a value (e.g.
"Copilot") that is neither a valid GitHub user nor ends with "[bot]".
This caused two independent crashes:

1. checkWritePermissions (permissions.ts): called the collaborator
   permission API which returns 404 "is not a user" for non-user actors.
2. checkHumanActor (actor.ts): called the Users API first, which 404s,
   before ever reaching the allowed_bots check.

Fix both by:
- Checking allowed_bots BEFORE making API calls, so known bots skip the
  API entirely.
- In permissions.ts, catching "is not a user" 404 errors and falling
  back to the allowed_bots list instead of crashing.
- In actor.ts, catching 404 errors and providing a clear error message
  telling the user to add the bot to allowed_bots.

Closes #900, #903, #1018, #1133

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-05-14 15:38:34 -07:00
Christian Van
0756f6ef2b
fix: exclude .claude-pr snapshot from git staging (#1277) 2026-05-14 15:36:57 -07:00
rico
bf6d40e068
fix: allow , in branch names (#1310)
`validateBranchName` rejects branch names containing a comma, even
though `git check-ref-format` permits commas and GitHub itself accepts
them. PRs whose head branch contains a `,` fail validation in-process
before any git operation, so the action errors out immediately.

Branch names with commas show up in real workflows when names are
derived from titles, place names, or external identifiers (e.g.
"feature/paris,france"). There is no workaround other than renaming
the branch, which is often not under the user's control.

All git calls in this file use execFileSync with an argv array, so no
shell interpretation occurs and `,` carries no injection risk. This is
the same reasoning used to add `#` in #1167 and `+` in #1248.

- Add `,` to the validateBranchName whitelist regex
- Update the surrounding comment and error message to match
- Add a test case covering commas in title-derived branch names

Fixes #1300
2026-05-14 15:34:32 -07:00
Justin Bisignano
38f25dd747
fix: make trigger_phrase match case-insensitive (#1279)
GitHub @-mention autocomplete inserts @Claude (capitalized) when users
pick the bot from the dropdown, but the trigger regex had no 'i' flag,
so the action would log 'No trigger was met for @claude' and exit. The
workflow's outer 'if: contains(...)' gate is case-insensitive, so the
job runs and looks like it silently ignored the user.

The regex was case-sensitive since the initial commit with no test
asserting either behavior; the existing tests focus on word-boundary
precision (email@claude.com etc.), not case.
2026-05-02 10:10:30 -07:00
Naoyoshi Aikawa
6ee201f023
fix: allow + in branch names (generated by Claude Code EnterWorktree) (#1248)
Claude Code's EnterWorktree tool converts "/" to "+" when generating
branch names from worktree names (e.g. EnterWorktree("feat/foo") creates
branch "worktree-feat+foo"). The strict whitelist in validateBranchName
rejected these names, causing claude-code-action to fail on any PR opened
from an EnterWorktree-generated branch.

Since all git calls use execFileSync (not shell interpolation), "+" carries
no command injection risk — the same rationale used for allowing "#".
Git itself permits "+" in branch names per git-check-ref-format.

Fixes: https://github.com/anthropics/claude-code-action/issues/1244

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-22 22:17:44 -07:00
不做了睡大觉
c3bf66dbc2
fix: handle fork PRs by fetching via refs/pull/N/head (#962) (#963)
When a PR originates from a fork, `git fetch origin <branch>` fails
because the branch only exists on the fork's remote.

Fix: detect cross-repository PRs via the `isCrossRepository` GraphQL
field and fetch using `pull/<number>/head:<branch>` refspec instead,
which is the standard GitHub mechanism for accessing fork PR branches.

Changes:
- Add `isCrossRepository` and `headRepository` to PR GraphQL query
- Add corresponding fields to GitHubPullRequest type
- Branch checkout uses pull ref for fork PRs
- Update test fixtures with new fields

Co-authored-by: User <user@example.com>
2026-04-14 20:33:04 -07:00
Ashwin Bhat
6685b26dfb
chore: fix prettier formatting (#1171) 2026-04-04 20:56:18 -07:00
Max Flanagan
b15d4751a6
fix: allow # in branch names for PR checkout and base restore (#1167)
`validateBranchName` used a strict whitelist that excluded `#`,
causing the action to fail on PRs from branches like `put-back-arm64-#2`
with "Invalid branch name" — even though the branch already exists in
git and `#` is permitted by git-check-ref-format.

The validation was designed to prevent command injection. However, every
git call in the action uses `execFileSync`, which bypasses the shell
entirely and passes arguments directly to the kernel's execve. There is
no shell to interpret `#` as a metacharacter, so the strict whitelist was
over-blocking valid names with no security benefit.

Add `#` to the whitelist pattern, and update the JSDoc and error message
to reflect the allowed character set.

Fixes #1137.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-04 20:17:46 -07:00
Andrew Grigorev
d8af4e9f01
fix: skip retries for non-retryable errors in retryWithBackoff (#1082)
Add shouldRetry predicate to RetryOptions so callers can abort retries
for errors that will never succeed (e.g. 401 WorkflowValidationSkipError).

Previously, retryWithBackoff retried all errors blindly, wasting ~35s on
deterministic failures like workflow validation 401s.

Fixes #1081

Co-authored-by: Claude <noreply@anthropic.com>
2026-04-04 20:14:47 -07:00
Ashwin Bhat
c281e17d7f
fix: fall back to repo default_branch instead of hardcoded "main" (#1143)
* fix: fall back to repo default_branch instead of hardcoded "main"

When no explicit base_branch input is provided, the action previously
fell back to a hardcoded "main", which fails on repositories whose
default branch is named differently (e.g. "master", "develop").

This reads repository.default_branch from the GitHub event payload
(populated once in parseGitHubContext) and uses it as the fallback in
all three callsites: agent/index.ts, run.ts, and update-comment-link.ts.
Explicit env/input precedence is preserved; "main" remains only as a
last-resort defensive fallback if the payload somehow lacks the field.

* test: drop unused BASE_BRANCH env handling from default_branch test

agent/index.ts no longer reads process.env.BASE_BRANCH directly (it now
goes through context.inputs.baseBranch which is set on the mock context),
so saving/clearing/restoring that env var in the regression test is dead
code.
2026-04-01 14:48:46 -07:00
David Dworken
1ba15be4f0
Remove redundant git status/diff/log from tag mode allowlist (#1075) 2026-03-18 09:06:33 -07:00
kashyap murali
f956510b1a
Harden tag mode tool permissions against prompt injection (#1002)
Two defenses for tag mode where an attacker with repo write access could
craft a prompt injection payload in an issue/PR to gain RCE on the
Actions runner:

1. git-push wrapper (H1 #3556799)
   The Bash(git\ push:*) rule permitted arbitrary flags and remotes,
   including combinations that execute shell commands locally. Replaced
   with scripts/git-push.sh which allowlists exactly 'origin <ref>' with
   no flags, validates the ref via check-ref-format. Same pattern as
   scripts/gh.sh.

2. acceptEdits instead of blanket Write/Edit (Asana 1213310082312048)
   Edit/MultiEdit/Write in allowedTools granted write access to the
   whole runner filesystem (~/.bashrc etc). Removed from allowedTools
   and set --permission-mode acceptEdits, which auto-accepts edits
   inside cwd ($GITHUB_WORKSPACE) and denies outside. Headless SDK has
   no prompt handler so 'ask' becomes deny.

Also:
- Noted that create-prompt/index.ts exports ALLOWED_TOOLS env var that
  nothing reads. The live path is modes/tag/index.ts. Mirrored the fix
  in both so the file the H1 report likely points to stays in sync.
- Updated prompt text (3 callsites) to reference the wrapper.
- Updated tests (4 prompt-content asserts, 7 tool-list asserts).
2026-03-12 13:35:17 -07:00
kashyap murali
5d0cc745cd
feat(inline-comment): add confirmed param + probe-pattern safety net (#1048)
* feat(inline-comment): add confirmed param + probe-pattern safety net

Subagents that inherit this tool sometimes probe it with test comments
('Test comment to see if I can create inline comments') after hitting
unrelated errors elsewhere. Recurring issue across customer PRs.

Adds two defenses:
1. confirmed param: set true to post (final review comments should pass
   this). When false, buffers to a JSONL file instead of posting.
2. Probe-pattern safety net: when confirmed is omitted (backward compat
   for existing prompts), the body is checked against obvious probe
   patterns ('test comment', 'can i', 'does this work', etc.). Matching
   calls are buffered instead of posted.

A post-run step in action.yml reports the buffered call count and bodies
as a workflow warning for diagnostics.

Backward compatibility:
- Existing single-agent prompts (no confirmed param) post normally unless
  the body happens to start with a probe phrase (unlikely for real
  review comments)
- The code-review skill is being updated to pass confirmed: true in its
  final posting step
- Subagent probes that would previously post now harmlessly buffer

* refactor: replace probe-regex with Haiku classification in post-step

The regex approach was narrow and could miss creative probe phrasings.
Replaced with a batch Haiku classification that runs after the session
completes.

Flow:
- MCP server: confirmed !== true -> buffer to JSONL (no classification
  in-band, no latency in the tool path)
- Post-step (src/entrypoints/post-buffered-inline-comments.ts): reads
  buffer, sends all bodies to a single Haiku call, posts only those
  classified as real review comments
- confirmed=false entries are never posted regardless of classification

Fail-open: if ANTHROPIC_API_KEY is unavailable (Bedrock/Vertex users)
or the classification call fails, posts all unconfirmed comments. This
matches pre-PR behavior where all calls posted immediately.

The post-step emits :⚠️: for each filtered comment so users can
see what was dropped and why.

* feat: add classify_inline_comments opt-out input

New action input classify_inline_comments (default 'true'). Setting to
'false' restores pre-buffering behavior: all inline comment calls post
immediately regardless of the confirmed param.

Threads through: action input -> CLASSIFY_INLINE_COMMENTS env ->
context.inputs.classifyInlineComments -> MCP server env ->
CLASSIFY_ENABLED module const.

Post-step is also gated on the input so it skips entirely when
classification is disabled.

* docs: document classify_inline_comments input and confirmed param

- usage.md: add classify_inline_comments to inputs table
- solutions.md: mention confirmed=true in the prompt example and explain
  buffering/classification in the tool permissions section
2026-03-12 00:12:55 -07:00
Ashwin Bhat
68cfeead18
Revert "fix: replace deprecated :* with modern * wildcard in git permissions (#929)" (#949)
This reverts commit 1bb0e7464b934392210ba86f06bec55297259d82.
2026-02-15 14:39:25 -08:00
Octavian Guzu
8c383c5de3
fix: skip CI MCP server installation when actions:read permission is missing (#933) 2026-02-11 11:02:49 -08:00
Dave-London
1bb0e7464b
fix: replace deprecated :* with modern * wildcard in git permissions (#929)
Replace `Bash(git add:*)` syntax with `Bash(git add *)` in default
tool permissions for tag mode and create-prompt. The colon-prefixed
wildcard syntax is deprecated and causes SDK validation errors.

Closes #856

Co-authored-by: Dave-London <hello@os4us.org>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-10 21:26:10 -08:00
Ashwin Bhat
7057f3318b
refactor: simplify mode system by removing Mode interface and registry (#899)
Replace the over-engineered Mode interface/registry/detector pattern with
straightforward inline logic. There are only 2 modes (tag and agent) and
the complexity wasn't justified.

- Delete Mode interface, registry, and prepare pass-through modules
- Export prepareTagMode() and prepareAgentMode() as standalone functions
- Inline trigger checking and mode dispatch in run.ts/prepare.ts
- Change generatePrompt/createPrompt to take modeName string instead of Mode
- Remove dead code (extractGitHubContext, unused detector helpers)
- Update CLAUDE.md to reflect new architecture
2026-02-05 17:22:30 -08:00
David Dworken
f09dc9a6a3
fix: use original body from webhook payload for TOCTOU hardening (#904)
* fix: use original body from webhook payload for TOCTOU hardening

* test: add null originalBody + edited GraphQL body TOCTOU scenario
2026-02-05 10:54:51 -08:00
Ashwin Bhat
9a3c761f54
refactor: unify action into single composite step with run.ts entrypoint (#898)
* refactor: unify action into single composite step with run.ts entrypoint

Consolidate the prepare and base-action phases into a single composite
step that runs src/entrypoints/run.ts. This simplifies the action.yml
from multiple steps to one execution step, while keeping the same
behavior.

Key changes:
- Add src/entrypoints/run.ts as unified entrypoint
- Simplify action.yml to single 'Run Claude Code Action' step
- Pass all inputs via environment variables
- Update base-action to accept inputs via env vars
- Support agent mode auto-detection from prompt input

* refactor: keep SSH signing cleanup and token revocation as separate action steps

Move SSH signing key cleanup and app token revocation back to separate
composite action steps in action.yml with always() conditions, rather
than handling them inside run.ts. This keeps these cleanup concerns
as independently visible steps in the workflow.

* fix: address PR review feedback

- Use path.dirname() instead of manual string slicing for executable path
- Differentiate prepare vs execution errors in catch block so tracking
  comment accurately reflects which phase failed
- Update CLAUDE.md architecture docs to reflect unified run.ts entrypoint
  and four-phase design

* fix: address PR review feedback

- Use path.dirname() instead of manual string slicing for executable path
- Differentiate prepare vs execution errors in catch block so tracking
  comment accurately reflects which phase failed
- Rewrite CLAUDE.md to focus on mental model, key concepts, and gotchas
  instead of exhaustive file listings
2026-02-03 20:09:43 -08:00
Ashwin Bhat
32ac7269f2
Revert "Revert "feat: send additional_permissions in token exchange request (…" (#866)
This reverts commit 231bd75b7196d48291c1498f1c6d277c2810d9a3.
2026-01-27 14:35:18 -08:00
Rani Halabi
fe72061e16
feat: add actor-based comment filtering to GitHub data fetching (#812)
- Introduced `include_comments_by_actor` and `exclude_comments_by_actor` inputs in action.yml to allow filtering of comments based on actor usernames.
- Updated context parsing to handle new input fields.
- Implemented `filterCommentsByActor` function to filter comments according to specified inclusion and exclusion patterns.
- Modified `fetchGitHubData` to apply actor filters when retrieving comments from pull requests and issues.
- Added comprehensive tests for the new filtering functionality.

This enhancement provides more control over which comments are processed based on the actor, improving the flexibility of the workflow.
2026-01-27 07:48:10 -08:00
Ashwin Bhat
231bd75b71
Revert "feat: send additional_permissions in token exchange request (#859)" (#864)
This reverts commit 0c704179b5caf6267b7002268193a23bb73652e3.
2026-01-26 21:40:04 -08:00
Ashwin Bhat
0c704179b5
feat: send additional_permissions in token exchange request (#859)
* feat: send additional_permissions in token exchange request

Parse the ADDITIONAL_PERMISSIONS env var and send it as a JSON body
in the OIDC token exchange request. Permissions are merged on top of
the standard defaults (contents: write, pull_requests: write,
issues: write).

* docs: list specific available additional permissions
2026-01-26 09:02:20 -08:00
Ashwin Bhat
6e896a06bb
fix: ensure SSH signing key has trailing newline (#834)
ssh-keygen requires a trailing newline to parse private keys correctly.
Without it, git signing fails with the confusing error:
'Couldn't load public key: No such file or directory?'

This normalizes the key to always end with a newline before writing.
2026-01-16 14:44:22 -08:00
Ashwin Bhat
1bbc9e7ff7
fix: add checkHumanActor to agent mode (#826)
Fixes issue #641 where users were getting banned due to rapid successive
Claude runs triggered by the synchronize event.

Changes:
- Add checkHumanActor call to agent mode's prepare() method to reject
  bot-triggered workflows unless explicitly allowed via allowed_bots
- Update checkHumanActor to accept GitHubContext (union type) instead
  of just ParsedGitHubContext
- Add tests for bot rejection/allowance in agent mode

Claude-Generated-By: Claude Code (cli/claude-opus-4-5=100%)
Claude-Steers: 1
Claude-Permission-Prompts: 3
Claude-Escapes: 0
2026-01-15 10:28:46 -08:00
Alexander Bartash
005436f51d
fix: parse ALL --allowed-tools flags, not just the first one (#801)
The parseAllowedTools() function previously used .match() which only
returns the first match. This caused tools specified in subsequent
--allowed-tools flags to be ignored during MCP server initialization.

Changes:
- Add /g flag to regex patterns for global matching
- Use matchAll() to find all occurrences
- Deduplicate tools while preserving order
- Make unquoted pattern not match quoted values

Fixes #800

 #vibe

Co-authored-by: Claude <noreply@anthropic.com>
2026-01-09 01:36:12 +05:30
Ashwin Bhat
1b8ee3b941
fix: add missing import and update tests for branch template feature (#799)
* fix: add missing import and update tests for branch template feature

- Add missing `import { $ } from 'bun'` in branch.ts
- Add missing `labels` property to pull-request-target.test.ts fixture
- Update branch-template tests to expect 5-word descriptions

* address review feedback: update comment and add truncation test
2026-01-08 07:07:54 +05:30
Cole D
c247cb152d
feat: custom branch name templates (#571)
* Add branch-name-template config option

* Logging

* Use branch name template

* Add label to template variables

* Add description template variable

* More concise description for branch_name_template

* Remove more granular time template variables

* Only fetch first label

* Add check for empty template-generated name

* Clean up comments, docstrings

* Merge createBranchTemplateVariables into generateBranchName

* Still replace undefined values

* Fall back to default on duplicate branch

* Parameterize description wordcount

* Remove some over-explanatory comments

* NUM_DESCRIPTION_WORDS: 3 -> 5
2026-01-08 06:47:26 +05:30
David Dworken
5da7ba548c
feat: add path validation for commit_files MCP tool (#796)
Add validatePathWithinRepo helper to ensure file paths resolve within the repository root directory. This hardens the commit_files tool by validating paths before file operations.

Changes:
- Add src/mcp/path-validation.ts with async path validation using realpath
- Update commit_files to validate all paths before reading files
- Prevent symlink-based path escapes by resolving real paths
- Add comprehensive test coverage including symlink attack scenarios

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>
2026-01-07 10:16:31 -08:00
Ashwin Bhat
964b8355fb
fix: use original title from webhook payload instead of fetched title (#793)
* fix: use original title from webhook payload instead of fetched title

- Add extractOriginalTitle() helper to extract title from webhook payload
- Add originalTitle parameter to fetchGitHubData()
- Update tag mode to pass original title from webhook context
- Add tests for extractOriginalTitle and originalTitle parameter

This ensures the title used in prompts is the one that existed when the
trigger event occurred, rather than a potentially modified title fetched
later via GraphQL.

* fix: add title sanitization and explicit TOCTOU test

- Apply sanitizeContent() to titles in formatContext() for defense-in-depth
- Add explicit test documenting TOCTOU prevention for title handling
2026-01-07 23:45:12 +05:30
Ashwin Bhat
b17b541bbc
feat: send user request as separate content block for slash command support (#785)
* feat: send user request as separate content block for slash command support

When in tag mode with the SDK path, extracts the user's request from the
trigger comment (text after @claude) and sends it as a separate content
block. This enables the CLI to process slash commands like "/review-pr".

- Add extract-user-request utility to parse trigger comments
- Write user request to separate file during prompt generation
- Send multi-block SDKUserMessage when user request file exists
- Add tests for the extraction utility

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix: address PR feedback

- Fix potential ReDoS vulnerability by using string operations instead of regex
- Remove unused extractUserRequestFromEvent function and tests
- Extract USER_REQUEST_FILENAME to shared constants
- Conditionally log user request based on showFullOutput setting
- Add JSDoc documentation to extractUserRequestFromContext

---------

Co-authored-by: Claude <noreply@anthropic.com>
2026-01-02 17:57:13 -08:00
Ashwin Bhat
7e4bf87b1c
feat: add ssh_signing_key input for SSH commit signing (#784)
* feat: add ssh_signing_key input for SSH commit signing

Add a new ssh_signing_key input that allows passing an SSH signing key
for commit signing, as an alternative to the existing use_commit_signing
(which uses GitHub API-based commits).

When ssh_signing_key is provided:
- Git is configured to use SSH signing (gpg.format=ssh, commit.gpgsign=true)
- The key is written to ~/.ssh/claude_signing_key with 0600 permissions
- Git CLI commands are used (not MCP file ops)
- The key is cleaned up in a post step for security

Behavior matrix:
| ssh_signing_key | use_commit_signing | Result |
|-----------------|-------------------|--------|
| not set         | false             | Regular git, no signing |
| not set         | true              | GitHub API (MCP), verified commits |
| set             | false             | Git CLI with SSH signing |
| set             | true              | Git CLI with SSH signing (ssh_signing_key takes precedence)

* docs: add SSH signing key documentation

- Update security.md with detailed setup instructions for both signing options
- Explain that ssh_signing_key enables full git CLI operations (rebasing, etc.)
- Add ssh_signing_key to inputs table in usage.md
- Update bot_id/bot_name descriptions to note they're needed for verified commits

* fix: address security review feedback for SSH signing

- Write SSH key atomically with mode 0o600 (fixes TOCTOU race condition)
- Create .ssh directory with mode 0o700 (SSH best practices)
- Add input validation for SSH key format
- Remove unused chmod import
- Add tests for validation logic
2026-01-02 10:37:25 -08:00
Aidan Dunlap
154d0de144
feat: add instant "Fix this" links to PR code reviews (#773)
* feat: add "Fix this" links to PR code reviews

When Claude reviews PRs and identifies fixable issues, it now includes
inline links that open Claude Code with the fix request pre-loaded.

Format: [Fix this →](https://claude.ai/code?q=<URI_ENCODED_INSTRUCTIONS>&repo=<REPO>)

This enables one-click fix requests directly from code review comments.

* feat: add include_fix_links input to control Fix this links

Adds a configurable input to enable/disable the "Fix this →" links
in PR code reviews. Defaults to true for backwards compatibility.
2025-12-27 15:29:06 -08:00
bogini
609c388361
Fix command injection vulnerability in branch setup (#736)
* fix: Prevent command injection in branch operations

Replace Bun shell template literals with Node.js execFileSync to prevent
command injection attacks via malicious branch names. Branch names from
PR data (headRefName) are now validated against a strict whitelist pattern
before use in git commands.

Changes:
- Add validateBranchName() function with strict character whitelist
- Replace $`git ...` shell templates with execGit() using execFileSync
- Validate all branch names before use in git operations

* fix: Address review comments for branch validation security

- Enhanced execGit JSDoc to explain security benefits of execFileSync
- Added comprehensive branch name validation:
  - Leading dash check (prevents option injection)
  - Control characters and special git characters (~^:?*[\])
  - Leading/trailing period checks
  - Trailing slash and consecutive slash checks
- Added -- separator to git checkout commands
- Added 30 unit tests for validateBranchName covering:
  - Valid branch names
  - Command injection attempts
  - Option injection attempts
  - Path traversal attempts
  - Git-specific invalid patterns
  - Control characters and edge cases

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>
2025-12-12 11:30:28 -08:00
Philippe Laflamme
2acd1f7011
fix: commentBody may be null (#706)
* fix: `commentBody` may be `null`

This handles the cases where `pull_request_review` events have no
comments (`commentBody` field is `null`). In those cases, the `null`
value is converted to the empty string.

The issue was testing `!commentBody` which was triggerring on empty
strings as well. This guard was removed (which is the fix), but for
clarity, the `commentBody` field was also made optional to make it clear
that the comment may be missing.

* fix: bun run format
2025-12-03 17:34:31 -08:00
Ashwin Bhat
469fc9c1a4
feat: add Agent SDK support with USE_AGENT_SDK feature flag (#698)
* feat: add Agent SDK support with USE_AGENT_SDK feature flag

Add a feature-flagged code path that uses the Agent SDK instead of
spawning the CLI as a subprocess. When USE_AGENT_SDK=true is set,
the new SDK path is used; otherwise, existing CLI behavior is unchanged.

Changes:
- Add parse-sdk-options.ts for parsing ClaudeOptions into SDK format
- Add run-claude-sdk.ts for SDK execution with query() function
- Update run-claude.ts with feature flag check at entry point
- Update update-comment-link.ts to handle both cost_usd and total_cost_usd
- Add @anthropic-ai/claude-agent-sdk dependency

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* refactor: simplify SDK types by using @anthropic-ai/claude-agent-sdk types directly

- Remove duplicate SdkRunOptions and McpStdioServerConfig types
- Use SDK's Options and McpStdioServerConfig types directly
- Return { sdkOptions, showFullOutput, hasJsonSchema } from parseSdkOptions
- Remove unnecessary convertMcpServers function
- Net reduction of ~70 lines

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* refactor: use extraArgs for claudeArgs pass-through to CLI

Simplify option parsing by converting claudeArgs to extraArgs record
and letting the SDK/CLI handle --mcp-config, --json-schema, etc.

- Remove extractJsonSchema and parseMcpConfigs functions
- Add parseClaudeArgsToExtraArgs for simple flag parsing
- CLI handles complex args like --mcp-config directly

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* ci

* refactor: remove hardcoded permission bypass flags

The SDK path should match CLI path behavior - permissions are handled
by the CLI itself, not hardcoded in the action.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* chore: add logging for SDK vs CLI path selection

---------

Co-authored-by: Claude <noreply@anthropic.com>
2025-12-03 17:22:04 -08:00
Ashwin Bhat
6337623ebb
fix: prevent TOCTOU race condition on issue/PR body edits (#710)
Add trigger-time validation for issue/PR body content to prevent attackers
from exploiting a race condition where they edit the body between when an
authorized user triggers @claude and when Claude processes the request.

The existing filterCommentsToTriggerTime() already protected comments -
this extends the same pattern to the main issue/PR body via isBodySafeToUse().

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude <noreply@anthropic.com>
2025-12-01 07:59:39 -08:00
Vibhor Agrawal
bd70a3ef2b
fix: add support for pull_request_target event in GitHub Actions workflows (#579)
Add pull_request_target event support to enable Claude Code usage with forked
repositories while maintaining proper security boundaries. This resolves issues
with dependabot PRs and external contributions that require write permissions.

Changes:
- Add pull_request_target to supported GitHub events in context parsing
- Update type definitions to include PullRequestTargetEvent
- Modify IS_PR calculation to detect pull_request_target as PR context
- Add comprehensive test coverage for pull_request_target workflows
- Update documentation to reflect pull_request_target support

The pull_request_target event provides the same payload structure as
pull_request but runs with write permissions from the base repository,
making it ideal for secure automation of external contributions.

Fixes #347
2025-09-22 09:20:27 -07:00
Leonardo Yvens
93f8ab56c2
Add support for kebab-case --allowed-tools flag (#581)
- Update parseAllowedTools to accept both --allowedTools and --allowed-tools
- Add regex alternation to support both camelCase and kebab-case variants
- Add test cases for unquoted and quoted kebab-case formats
- All existing tests continue to pass

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>
2025-09-22 09:18:04 -07:00
Kevin Cui
2e92922dd6
fix(tag): no such tool available mcp__github_* (#556)
Signed-off-by: Kevin Cui <bh@bugs.cc>

# Conflicts:
#	src/mcp/install-mcp-server.ts
#	src/modes/tag/index.ts
#	test/modes/agent.test.ts
2025-09-12 12:33:34 -07:00
Benny Yen
86d6f44e34
chore: consolidate duplicate test directories (#565)
Move detector.test.ts from tests/modes/ to test/modes/ and fix TypeScript
type errors by adding missing required properties (botId, botName, allowedNonWriteUsers).
Remove empty tests/ directory structure.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>
2025-09-11 07:24:55 -07:00
Ashwin Bhat
a3ff61d47a
enable track_progress for comments, fix mcp config (#558)
* enable track_progress for comments

* refactor: pass mode explicitly to prepareMcpConfig

Update prepareMcpConfig to receive the mode parameter from its callers
instead of detecting agent mode by checking context.inputs.prompt.
This makes mode determination explicit and controlled by the caller.

Also update all test cases to include the required mode parameter
and fix agent mode test expectations to match new behavior where
MCP config is only included when tools are explicitly allowed.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* fix test

---------

Co-authored-by: Claude <noreply@anthropic.com>
2025-09-09 09:19:14 -07:00
Ashwin Bhat
69dec299f8
feat: add allowed_non_write_users input to bypass permission checks (#550)
* chore: bump Claude Code version to 1.0.108

* triage fix

---------

Co-authored-by: GitHub Actions <actions@github.com>
2025-09-07 14:20:02 -07:00
bogini
13e47489f4
feat: add repository_dispatch event support (#546)
* feat: add repository_dispatch event support

Add support for repository_dispatch events in GitHub context parsing system. This enables the action to handle custom API-triggered events properly.

Changes:
- Add RepositoryDispatchEvent type definition
- Include repository_dispatch in automation event names
- Update context parsing to handle repository_dispatch events
- Update documentation to reflect repository_dispatch availability

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* style: format code with prettier

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* test: add comprehensive repository_dispatch event test coverage

- Add mockRepositoryDispatchContext with realistic payload structure
- Add repository_dispatch mode detection tests in registry.test.ts
- Add repository_dispatch trigger tests in agent.test.ts
- Ensure repository_dispatch events are properly handled as automation events
- Verify agent mode trigger behavior with and without prompts
- All 394 tests passing with new coverage

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* style: format test files with prettier

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Claude <noreply@anthropic.com>
2025-09-05 15:06:00 -07:00
Ashwin Bhat
63f1c772bd
feat: add bot_id input to handle GitHub App authentication errors (#534)
Adds a new optional bot_id input parameter that defaults to the github-actions[bot] ID (41898282). This resolves the "403 Resource not accessible by integration" error that occurs when using GitHub App installation tokens, which cannot access the /user endpoint.

Changes:
- Add bot_id input to action.yml with default value
- Update context parsing to include bot_id from environment
- Modify agent mode to use bot_id when available, avoiding API calls that fail with GitHub App tokens
- Add clear error handling for GitHub App token limitations
- Update documentation in usage.md and faq.md
- Fix test mocks to include bot_id field

This allows users to specify a custom bot user ID or use the default github-actions[bot] ID automatically, preventing 403 errors in automation workflows.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
2025-09-04 14:55:25 -07:00
kashyap murali
45408b4058
feat: make MCP servers conditional in agent mode (#513)
* feat: make MCP servers conditional in agent mode

In agent mode, MCP servers (github_comment, github_ci) are now only included
when explicitly requested via allowedTools, rather than being auto-provisioned.

This change gives agent mode workflows complete control over which MCP
servers are included, preventing unwanted automatic provisioning of GitHub
integration tools.

Changes:
- Add agent mode detection in prepareMcpConfig
- Make github_comment server conditional based on allowedTools in agent mode
- Make github_ci server conditional based on allowedTools in agent mode
- Tag mode behavior remains unchanged (auto-inclusion)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

* test: update agent mode test for conditional MCP behavior

Updated test expectation to match the new conditional MCP server behavior
where agent mode only includes MCP config when servers are actually needed.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

---------

Co-authored-by: Kashyap Murali <13315300+katchu11@users.noreply.github.com>
Co-authored-by: Claude <noreply@anthropic.com>
2025-08-29 16:40:14 -07:00