{ "SchemaVersion": "1", "Kind": "DirectoryEntry", "SubjectType": "mcp-server", "Slug": "periscope-mcp", "Name": "periscope-mcp", "Title": "periscope-mcp MCP Server | Pod", "Description": "Web-app QA for AI agents: 73 Playwright tools — auth, E2E, a11y/SEO/GEO, Web Vitals + Lighthouse", "CanonicalUrl": "https://askpod.ai/mcp/periscope-mcp", "MarkdownUrl": "https://askpod.ai/mcp/periscope-mcp.md", "JsonUrl": "https://askpod.ai/mcp/periscope-mcp.json", "DatePublished": "2026-09-01T14:35:04.245Z", "DateModified": "2026-09-01T14:35:04.245Z", "Publisher": "github.com", "RegistryName": "io.github.segentic-lab/periscope-mcp", "WebsiteUrl": "https://github.com/segentic-lab/periscope-mcp", "RepositoryUrl": "https://github.com/segentic-lab/periscope-mcp", "VerificationStatus": "unverified", "Identities": [ { "Namespace": "github_repository", "Value": "https://github.com/segentic-lab/periscope-mcp" } ], "Sources": [ { "Source": "official_mcp_registry", "ExternalId": "io.github.segentic-lab/periscope-mcp", "FirstSeenAt": "2026-08-29T23:24:47.411Z", "LastSeenAt": "2026-09-01T02:59:05.126Z" } ], "Categories": [], "FirstParty": true, "Deployments": [ { "Kind": "local_extension" } ], "Tools": { "Claimed": [], "ClaimedCount": 0, "Observed": null, "ObservedCount": null, "Verified": false, "Mismatch": null }, "Measured": null, "Usage": null, "IssueTotal": 21, "IssuesHeld": 20, "Issues": [ { "Title": "check_color_contrast default sweep checks only 1 element on a dense page", "Excerpt": "### Tool name\n\ncheck_color_contrast\n\n### Tool arguments\n\n```json\n{\"session_id\": \"\"}\n```\n\n(no `selector` — default sweep)\n\n### Actual response\n\n```json\n{\"checked\": 1}\n```\n\nOnly **1 element** checked on a dense dashboard page. With an explicit `selector: \"td, th, h1, h2, button\"` the same page yielded `checked: 25` and real AA failures (2026-07-03 retest: `checked: 45`, 12 failures at 4.34:1).\n\n### Expected behavior\n\nThe default \"all text elements\" heuristic", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/4", "PublishedAt": "2026-07-02T22:11:06.000Z", "State": "closed", "Comments": 4, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "Minor batch: stale URL on SPA nav, duplicate failed steps, script text in assert preview, selector-dialect asymmetry, drag false success", "Excerpt": "### Tool name\n\nmultiple (batch of minor issues: click_element, interact_and_test, assert_condition, get_page_elements/get_page_html, wait_for_network)\n\n### Tool arguments\n\n```json\n{\"note\": \"batch report — each item below names the tool and repro\"}\n```\n\n### Actual response\n\n1. **click_element** — on SPA route changes, returns the **pre-navigation** URL (`url` and screenshot captured before the router settles). Workaround: `assert_condition url_contains` afterwards.\n2. **interact_and_test** — a fa", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/9", "PublishedAt": "2026-07-02T22:11:22.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "Cookie bleed across the shared default browser context (project-less tools contaminate each other)", "Excerpt": "### Tool name\n\nopen_session / check_links (shared \"default\" browser context)\n\n### Tool arguments\n\n```json\n{\"url\": \"https://github.com\"}\n```\n\n(no `project` → default context; earlier in the same server lifetime: `check_links(url=\"https://companyapp.si\", check_external=true)`, also project-less)\n\n### Actual response\n\n`get_cookies` on the fresh GitHub session returned **13 cookies, 7 of them LinkedIn cookies** (`JSESSIONID`, `bcookie`, `bscookie`, `li_gc`, `lidc`, `__cf_bm`, `lang` on `.linkedin.co", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/8", "PublishedAt": "2026-07-02T22:11:20.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "copy_auth reports session_copied: true but the copied session doesn't authenticate", "Excerpt": "### Tool name\n\ncopy_auth\n\n### Tool arguments\n\n```json\n{\"from_project\": \"companyapp\", \"to_project\": \"companyapp2\"}\n```\n\n### Actual response\n\n```json\n{\"success\": true, \"message\": \"Auth copied from 'companyapp' to 'companyapp2'\", \"method\": \"form\", \"session_copied\": true}\n```\n\nBut the copied session does not work:\n\n- `open_session(https://app.companyapp.si/dashboard, project=companyapp2)` → redirected to `/login?callbackUrl=%2Fdashboard`\n- Control check at the same moment: `open_session(..., project", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/7", "PublishedAt": "2026-07-02T22:11:19.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "set_cookies claims 'Set 1 cookies' but is inert until login_project; silently overwrites other auth config", "Excerpt": "### Tool name\n\nset_cookies\n\n### Tool arguments\n\n```json\n{\"project\": \"authtest\", \"cookies\": [{\"name\": \"periscope_test\", \"value\": \"cookie_works_123\", \"domain\": \"httpbin.org\"}]}\n```\n\n### Actual response\n\n```json\n{\"success\": true, \"message\": \"Set 1 cookies\"}\n```\n\nBut a session opened immediately afterwards had **zero** cookies:\n\n- `open_session(https://httpbin.org/cookies, project=authtest)` → page body `{\"cookies\": {}}`\n- `get_cookies(session)` → `{\"total\": 0, \"cookies\": []}`\n\nOnly after calling `l", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/6", "PublishedAt": "2026-07-02T22:11:18.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "Skip-link accessibility check false positive on non-English skip links", "Excerpt": "### Tool name\n\nrun_checks_on_session / test_url (accessibility check: skip link)\n\n### Tool arguments\n\n```json\n{\"session_id\": \"\", \"checks\": [\"accessibility\"]}\n```\n\n### Actual response\n\n```json\n{\"issues\": [{\"type\": \"accessibility\", \"severity\": \"info\", \"message\": \"No skip navigation link found\"}]}\n```\n\nReported on app pages that **do** have a proper sr-only skip link: `Preskoči na vsebino`, `href=\"#main-content\"` — confirmed present by `test_keyboard_navigation` (first", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/5", "PublishedAt": "2026-07-02T22:11:08.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "find_element returns invalid CSS selectors from Tailwind variant classes", "Excerpt": "### Tool name\n\nfind_element\n\n### Tool arguments\n\n```json\n{\"session_id\": \"\", \"text\": \"\"}\n```\n\n### Actual response\n\nReturned \"best CSS selector\" built from raw class lists containing Tailwind variant classes, e.g.:\n\n```json\n{\"selector\": \"button.hover:bg-accent.text-sidebar-foreground/70.[&_svg]:size-4\"}\n```\n\n`querySelector` cannot parse these (`:`, `/`, `[` in class names) — the selector is unusable in follow-up calls. The text/aria data returned", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/3", "PublishedAt": "2026-07-02T22:11:05.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "auto_fill_form: ambiguous 'input' fallback on id/name-less fields, 30s timeouts, still reports success: true", "Excerpt": "### Tool name\n\nauto_fill_form\n\n### Tool arguments\n\n```json\n{\"session_id\": \"\"}\n```\n\n### Actual response\n\n```json\n{\"success\": true, \"...\": \"8 of 10 fields resolved to the ambiguous selector 'input'; each fill timed out after 30s; call blocked ~4.5 minutes total\"}\n```\n\n`success: true` despite 8/10 fields never being filled.\n\n### Expected behavior\n\n- Field detector should build selectors from `placeholder` / `aria-label` when inputs have no `id`/`name", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/2", "PublishedAt": "2026-07-02T22:11:04.000Z", "State": "closed", "Comments": 3, "Reporter": "Maintainer", "Rank": "top", "Extractor": "github_issue" }, { "Title": "Full-page screenshots misrender sticky/reveal elements (stitching) — misleading for UI review", "Excerpt": "### What couldn't be done\n\nTrust a full-page screenshot as evidence of what a page looks like, on pages with `position: sticky`/`fixed` headers or scroll-triggered reveal animations (IntersectionObserver `.reveal` patterns, scroll-driven animations).\n\nTwo failure modes observed repeatedly (periscope 0.10.2 and earlier, sites: agrarservice demo, segentic.dev — both Astro sites with sticky nav + reveal-on-scroll sections):\n\n1. **Sticky elements stitched mid-page**: the sticky nav is painted a seco", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/23", "PublishedAt": "2026-07-07T00:20:19.000Z", "State": "closed", "Comments": 1, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "Deterministic / sitemap-seeded crawl order — consecutive test_project runs pick different pages, findings silently vanish", "Excerpt": "### What couldn't be done\n\nCompare two consecutive `test_project` runs of the same site. With `max_pages: 20` on a site with 24+ internal URLs, the crawler selected a **different 20-page subset** on each run, so per-page findings appeared and disappeared between reports without any change to the site.\n\nConcrete case (periscope 0.10.2, commit a78b933, project `segentic-dev`, base_url `https://segentic.dev`):\n\n- Run 1 (2026-07-07 01:11): crawled `/kontakt`, `/prenova-spletne-strani`, `/reference`,", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/22", "PublishedAt": "2026-07-07T00:19:49.000Z", "State": "closed", "Comments": 2, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "Uniform, opt-in `observe` param on action tools (learn from glovebox)", "Excerpt": "## Where this came from\n\nCross-server comparison with [glovebox-mcp](https://github.com/segentic-lab/glovebox-mcp) (the computer-use sibling). Glovebox otherwise treats periscope as the standard to match — but on **one** dimension the arrow points back at us. From glovebox's own project guide:\n\n> **The `observe`/`settle_ms` pattern.** Every action tool optionally returns the resulting screen state in the SAME call, saving a round-trip. This is periscope's batching instinct at the primitive level", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/21", "PublishedAt": "2026-07-06T20:38:12.000Z", "State": "closed", "Comments": 2, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "Headed sessions ignore project storage_state/cookies (headless works, headed gets 0 cookies)", "Excerpt": "## Summary\n\n`open_session(..., headed=true, project=

)` does **not** apply the project's persisted `storage_state` / injected cookies. A headless session opened with the *same* project and *same* auth is correctly authenticated, but the headed session opens with **zero cookies** and bounces to the app login page. This makes it impossible to watch an authenticated flow in a visible window.\n\n## Environment\n- Periscope version_running / version_on_disk: **0.10.0**\n- commit: **7f241b8**\n- install_", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/20", "PublishedAt": "2026-07-05T21:35:47.000Z", "State": "closed", "Comments": 1, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "`wait_for_network` fails with cryptic `'url_pattern'` error when the param is omitted", "Excerpt": "## Summary\nUsing `wait_for_network` as a step in `interact_and_test` without a `url_pattern` fails with a bare `Step N (wait_for_network) failed: 'url_pattern'` — a raw KeyError-style message that doesn't say what's wrong or how to fix it.\n\n## Repro\n`interact_and_test` steps:\n```json\n[{\"action\":\"click\",\"selector\":\"button:has-text('Save')\"},\n {\"action\":\"wait_for_network\",\"timeout\":5000}]\n```\n→ `Step 1 (wait_for_network) failed: 'url_pattern'`\n\n## Expected / suggestion\n- If `url_pattern` is requir", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/19", "PublishedAt": "2026-07-04T23:05:37.000Z", "State": "closed", "Comments": 1, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "`get_response_body` url_pattern matching is inconsistent / undocumented (anchors & regex)", "Excerpt": "## Summary\n`get_response_body(url_pattern=…)` matching behaves inconsistently — some intuitive patterns return \"No response bodies found\" while a looser substring matches. It's unclear whether the pattern is a substring, glob, or full regex, whether it's anchored, and whether the query string is included.\n\n## Repro (all against the same captured traffic)\n- `url_pattern=\"api/v1/appointments$\"` → **No response bodies found** (the `$` anchor didn't match, presumably due to a query string / trailing", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/18", "PublishedAt": "2026-07-04T23:05:37.000Z", "State": "closed", "Comments": 1, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "`measure_interaction` under-measures async interactions — misleading as an INP proxy", "Excerpt": "## Summary\n`measure_interaction` clicks and waits for networkidle (or a selector), returning elapsed ms. For an interaction whose effect is an async mutation fired *after* the click handler returns (e.g. a form submit that triggers a `fetch` a tick later), it settles on the first network-idle window *before* the request registers, returning a misleadingly tiny number.\n\n## Repro\nAn admin \"Save\" button that fires `PATCH /users/:id` (which round-trips to Keycloak + DB):\n- `measure_interaction` retu", "SourceUrl": "https://github.com/segentic-lab/periscope-mcp/issues/17", "PublishedAt": "2026-07-04T23:05:36.000Z", "State": "closed", "Comments": 1, "Reporter": "Maintainer", "Rank": "recent", "Extractor": "github_issue" }, { "Title": "`select_option` cannot target attribute-less `` elements with no `id`/`name`/distinguishing attributes (common with form libraries), there is no way to target the Nth one, and Playwright-style locators are rejected.\n\n## Repro\nA form with 3 attribute-less `