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Liz TomandCopilot App
c72fb21484
* Harden sentry-triage repo/URL metadata validation and split issue/PR repos The canvas relays model-reported GitHub artifact URLs and numbers (from a turn that also ingests untrusted Sentry text) into tracking badges and the "Fix with Copilot" flow. Validate that data against trusted, outside-the-model anchors so injected text can't mint misleading badges or steer a write to the wrong repo, and support issue/PR repos that legitimately differ. - Add path-type-aware URL validation (repoRefNumber/urlInRepo): a URL must be http(s), on the trusted host, in the expected owner/repo, and match the exact artifact kind (/issues/<n> vs /pull/<n>) with a path-segment boundary after the id. The id must be a positive safe integer. This rejects look-alikes like /pull/123evil, cross-kind spoofs (an issue URL minting a "PR #N" badge), and overflow/zero ids. - Split the issue anchor from the PR anchor (deriveRepoAnchors): the tracking issue and the fix PR can live in different repos. Cloud mode anchors the PR on the issue/cloud repo; an explicitly selected local project anchors it on that project's config-time repo (frozen at save time); "Current project" anchors it on the trusted current-project repo from the git remote — never the issue repo. A missing/malformed PR repo fails closed with a clear, actionable error. - Derive tracking issue/PR numbers from the validated URLs (not the model), and strip every pr* field when no concrete /pull/<n> in the PR repo is present, so a badge can't point at a different artifact than the one verified. - Freeze the selected project's repo into PR-target config at save time (page.mjs/state.mjs/server.mjs) and include mode + local.repo in the repo-change identity so switching projects re-derives annotations. - Roll the optimistic rescan overlay back on a failed /api/refresh POST instead of leaving a blocking overlay up until the fallback timer expires. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> * Derive displayed numbers from validated URLs; isolate project enumeration Address Copilot review on #2815. Comment #2: every displayed issue/PR number is now re-extracted from the same URL that was validated against the expected repo, instead of trusting the model-reported *Number field. Fixes the skipped/dedup, done, and submit_work_pr paths so a reply pairing /pull/1 with prNumber 999 can no longer render "PR #999" linking to PR 1. Numbers with no concrete anchor (placeholder repo / non-GitHub tracker) keep the model value. Comment #1: the projectId->repo mapping is a security anchor (it decides which repo fix-session PRs are validated against), so it must not be produced in a turn that also ingests untrusted Sentry titles. Enumeration now runs in its own Sentry-free turn (loadProjectOptions), and the save path re-binds the repo/name server-side from the selected projectId against trusted project state; the browser no longer supplies the auth repo. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> * Demote sentry-triage project map from an authorization anchor The projectId->repo map returned by the model's list_projects tool was being used as the trust anchor for fix-session PR validation, and was isolated into a separate "project enumeration" turn to keep untrusted Sentry titles out of the prompt that produced it. But that turn joins the same foreground conversation, so it is not a real trust boundary. The SDK exposes no isolated model context and no trusted project- enumeration API, so instead stop treating the model-relayed repo as an authorization anchor at all. An explicitly selected project is authorized by its host-resolved project_id (a trusted handle at create_session time), so deriveRepoAnchors now returns prExpectedRepo='' + prProjectSelected for that case and the preflight/URL gates skip the unbackable repo check. The map is now display/dedup-search only, so enumeration is folded back into the triage round-trip and the separate turn is removed. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> * Fix fallout from demoting the sentry-triage project map Follow-ups from review after the project-map demotion: - Reject stale/forged local project IDs in set-pr-config. An unknown non-empty projectId left boundProject null but was still stored, and deriveRepoAnchors treats any non-empty id as an explicit selection — which skips the missing-repo/PR-URL preflight. Store the id only when it resolves to a known project, so an unresolvable id fails closed to '' (Current-project mode, which requires a trusted git remote). - Restore tracked-PR badges for split-repo selected projects. The tracked badge validated the model-reported PR URL against the now-empty trusted PR anchor, so repoRefNumber always returned null and every discovered PR was stripped. The badge is read-only display, not a write gate, so anchor its search + URL/number validation on the model-declared project repo when there is no trusted anchor (still pins number->URL and host). - Update set-pr-config and page.mjs comments: the bound repo/name are display + dedup-search metadata, not PR authorization, and drop the stale loadProjectOptions / "Sentry-free turn" references. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> * Fail closed on an unconfirmable dedup skip for selected projects After demoting the project map, prExpectedRepo is '' for an explicitly selected project, so the dedup "already being worked on" skip accepted a bare model-reported PR number as authoritative. Because the dedup result and the project list come from the same Sentry-bearing model turn, injected text could forge a skip to both suppress the trusted host-resolved create_session flow and surface an arbitrary PR link. An authoritative skip suppresses the trusted flow and surfaces a PR link, so it now requires a trusted PR-repo anchor: a URL-bearing PR validated against a concrete prExpectedRepo. A selected project has no trusted anchor, so its skip is unconfirmable and fails closed to a retryable error instead of being honored. The downstream dedup validation is now only reached with a concrete PR anchor, so its dead no-anchor branches are removed. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> * Anchor Current-project PR repo to the checkout cwd, not GITHUB_REPOSITORY runtimeDefaults.repo prefers GITHUB_REPOSITORY, which is the configured ISSUE target and may point at a separate cloud repo; seedDefaultsFromSession() does not overwrite an explicit GITHUB_REPOSITORY. All three deriveRepoAnchors calls passed that value as currentProjectRepo, so when the issue repo differed from the driving checkout, Current-project mode gated PR validation and dedup on the issue repo and rejected legitimate PRs from the current project. Derive the Current-project anchor unconditionally from the resolved session cwd via currentCheckoutRepo(defaults) = repoFromPath(localPath), which co-derives from the same git remote as the trusted host, and use it at all three anchor derivations. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> * Restrict local Copilot handoff to the current project Remove the model-relayed "selected project" local write-handoff and its whole plumbing (the Settings project dropdown, submit_projects/list_projects enumeration, projectOptions state, and the server-side projectId re-bind). The dropdown was the only thing feeding a model-supplied project_id into create_session, and the only local mode whose PR repo came solely from the untrusted Sentry triage turn. That made it both the write-steering vector the reviewer flagged (server.mjs set-pr-config / deriveRepoAnchors) and the one local mode where a dedup "skip" could never be verified against a trusted repo. Local "Work on selected" now always runs the fix session in the CURRENT project (the canvas's own checkout, host-trusted from its git remote), so the PR repo is always a trusted anchor and dedup is always verifiable. Cross-repo work goes through Cloud mode, whose repo the user types directly in Settings. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
🤖 Awesome GitHub Copilot
A community-created collection of custom agents, instructions, skills, hooks, workflows, and plugins to supercharge your GitHub Copilot experience.
Tip
Explore the full collection on the website → awesome-copilot.github.com
The website offers full-text search and filtering across hundreds of resources, plus the Learning Hub for guides and tutorials.
Using this collection in an AI agent? A machine-readable
llms.txtis available with structured listings of all agents, instructions, and skills.
📖 Learning Hub
New to GitHub Copilot customization? The Learning Hub on the website offers curated articles, walkthroughs, and reference material — covering everything from core concepts like agents, skills, and instructions to hands-on guides for hooks, agentic workflows, MCP servers, and the Copilot coding agent.
What's in this repo
| Resource | Description | Browse |
|---|---|---|
| 🤖 Agents | Specialized Copilot agents that integrate with MCP servers | All agents → |
| 📋 Instructions | Coding standards applied automatically by file pattern | All instructions → |
| 🎯 Skills | Self-contained folders with instructions and bundled assets | All skills → |
| 🔌 Plugins | Curated bundles of agents and skills for specific workflows | All plugins → |
| 🍳 Cookbook | Copy-paste-ready recipes for working with Copilot APIs | — |
Install a Plugin
For most users, the Awesome Copilot marketplace is already registered in the Copilot CLI/VS Code, so you can install a plugin directly:
copilot plugin install <plugin-name>@awesome-copilot
If you are using an older Copilot CLI version or a custom setup and see an error that the marketplace is unknown, register it once and then install:
copilot plugin marketplace add github/awesome-copilot
copilot plugin install <plugin-name>@awesome-copilot
Contributing
See CONTRIBUTING.md · AGENTS.md for AI agent guidance · Security · Code of Conduct
The customizations here are sourced from third-party developers. Please inspect any agent and its documentation before installing.
Contributors ✨
Thanks goes to these wonderful people (emoji key):
This project follows the all-contributors specification. Contributions of any kind welcome!
📚 Additional Resources
- VS Code Copilot Customization Documentation - Official Microsoft documentation
- GitHub Copilot Chat Documentation - Complete chat feature guide
- VS Code Settings - General VS Code configuration guide
™️ Trademarks
This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow Microsoft's Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.