936 pages for error.

Build for Claude Claude Documentation · in the page build/overview …ers installs, versions, how often each skill and MCP server runs, and error rates * **A connector listed in the directory**: [Manage your directory listing](https://claude.com/docs/connectors/building… Admin controls Claude Documentation · in the page claude-science/admin-controls …but can't be reached isn't ignored, and package installs fail with an error that names the mirror. An organization mirror takes precedence over a mirror a member set in Settings or in their configura… Claude Science changelog Claude Documentation · in the page claude-science/changelog …Claude Science now tries again instead of stopping right away with an error * Fixed custom connectors failing to load behind a proxy with "unexpected end of file" when their server sends an empty repl… Command line settings Claude Documentation · in the page claude-science/command-line-settings …set to any value other than `0` or `false`, turns usage analytics and error reports off. It is the same switch as `disable_telemetry = true` in the configuration file. `GITHUB_TOKEN` (or `GH_TOKEN`) i… Use Claude Science on a corporate network Claude Documentation · in the page claude-science/corporate-networks …rather than by hand. 7. If sign-in or a first build fails, match the error against [Troubleshooting](#troubleshooting-corporate-network-errors). ## What works on a corporate network | Network shape… A first finite-element model: a clamped steel ruler bends and vibrates Claude Documentation · in the page claude-science/example-gallery/eng-beam …ode shapes at 27.18, 170.53, and 480.62 Hz over theory; and frequency errors falling from 2 to 16 elements.](https://mintcdn.com/claude-ai/F2QP9ubtYgT0edFI/images/claude-science/example-gallery/eng-be… The double slit, one electron at a time Claude Documentation · in the page claude-science/example-gallery/phys-doubleslit …the final pattern to measure the fringe spacing, and give it with its error bar: how many error bars from λL/d? Then show that the fringes vanish if we know which slit each electron went through. Expl… Get started Claude Documentation · in the page claude-science/get-started …app keeps its own. > > If Claude Science under WSL shows one of these errors or problems, use the matching fix: > > * `daemon already running`: Claude Science is already running. Run `claude-science u… How Claude Science works with your data Claude Documentation · in the page claude-science/how-claude-science-works-with-your-data …*, stored with the member's claude.ai skills. * **Usage telemetry and error reports**, which carry app, device, and timing data, plus account and organization identifiers on telemetry events, but no c… Manage Claude Science on devices Claude Documentation · in the page claude-science/manage-on-devices …etry = true` | Stops the app from sending product-usage telemetry and error reports to Anthropic. | | `data_dir = "<path>"` | Moves conversations, artifacts, and workspaces to a managed location (for… Network requirements Claude Documentation · in the page claude-science/network-requirements …ingest.us.sentry.io` | When telemetry is on (the default) | Crash and error reporting (the error type and where it happened in Claude Science's own code, never error messages, conversation content, or… Claude Science Claude Documentation · in the page claude-science/overview …laude can make mistakes. The reviewer reduces, but doesn't eliminate, errors. It checks claims against the execution record and doesn't re-run analyses. Verify results before relying on them in resear… Run on a remote Linux server Claude Documentation · in the page claude-science/run-on-remote-linux-server …t on your PATH yet. Run `. ~/.profile` or open a new terminal. | | An error mentioning `bwrap not found in` or `bwrap was found on PATH at` | bubblewrap isn't installed in a system folder. In version… Tools and environments Claude Documentation · in the page claude-science/tools-and-environments …ly file system` from pip, uv, and pixi, and as `EnvironmentNotWritableError` from conda. In a uv project, `uv run` and `uv sync` fail the same way whenever they have to update the environment, for exa… Troubleshoot Claude Science Claude Documentation · in the page claude-science/troubleshooting # Troubleshoot Claude Science > Fix errors you see while using Claude Science: being signed out, capacity retries, Agent Failed, environment setup, connectors, git, dictation, and updates. This page… Update Claude Science Claude Documentation · in the page claude-science/update-claude-science …ce first. ## A Mac app in its own window If **Update now** shows an error in red: 1. Choose **Claude Science > Check for App Updates…** in the menu bar at the top of the screen. If you don't see th… Give Claude access to your tools Claude Documentation · in the page claude-tag/admins/add-connections …in combination: an answer that joins the ticket, the deploy, and the error rate needs all three systems connected. | Connect | Examples | Recommended access | What it adds | | :- | :- | :- | :- | |… Configure GitHub access Claude Documentation · in the page claude-tag/admins/configure-github …ry\_dispatch is not permitted for this session type.", is a different error. It says nothing about repository access; see [What Claude can do with GitHub Actions](#what-claude-can-do-with-github-actio… Connect Amplitude Claude Documentation · in the page claude-tag/admins/connections/amplitude …r API clients. If Claude reports that Amplitude returned a rate-limit error (HTTP 429), narrow the date range, drop a group-by, or ask again later. Amplitude's [Dashboard REST API documentation](https… Connect BigQuery Claude Documentation · in the page claude-tag/admins/connections/bigquery …anization's policy` and a `vpcServiceControlsUniqueIdentifier` in the error details. To let them through, add an ingress rule that admits the [service account you created for Claude](#create-the-crede… Connect a service that isn't in the list Claude Documentation · in the page claude-tag/admins/connections/custom …red session token is a different failure: AWS rejects it with a token error such as `InvalidClientTokenId`, not `SignatureDoesNotMatch`. Rotate all three fields. ### OAuth 2.0 JWT bearer Use the **O… Per-service connection guides Claude Documentation · in the page claude-tag/admins/connections/overview …ikely doesn't apply to the failing channel * [I hit an authentication error and couldn't finish this turn](https://claude.com/docs/claude-tag/admins/troubleshooting.md#i-hit-an-authentication-error-an… Connect Sentry Claude Documentation · in the page claude-tag/admins/connections/sentry # Connect Sentry > Connect Sentry to Claude Tag so it can pull errors and stack traces into threads. Covers the dedicated account to create, the token fields, and the URL to allow. > [!NOTE] > > Cla… Connect an authorization server Claude Documentation · in the page claude-tag/admins/federated-access/authorization-server …request to your APIs. To refuse a grant, return a standard OAuth 2.0 error response, such as `400` with `{"error": "invalid_grant"}`. Any non-`2xx` status is a refusal. Claude reads only the `error`… Connect an AWS role Claude Documentation · in the page claude-tag/admins/federated-access/aws …ath, makes every sign-in fail later with an invalid-token or provider error from AWS. You don't need to supply a certificate thumbprint, because AWS verifies the provider's certificate itself. To con… Connect a gateway Claude Documentation · in the page claude-tag/admins/federated-access/connect-a-gateway …take up to a minute. If it fails, nothing is registered; see [Common errors](#common-errors). If the gateway can't be reached from the internet yet, select the **Skip the check** option, enter a **Re… Connect a Google Cloud identity Claude Documentation · in the page claude-tag/admins/federated-access/gcp …xchange, with Google's reason when it refuses one, which Claude's own error doesn't show. The Cloud Storage entry shows the caller as the service account, or as the federated identity with the agent's… Troubleshoot federated agent access Claude Documentation · in the page claude-tag/admins/federated-access/troubleshooting # Troubleshoot federated agent access > Errors from Claude Tag's federated agent access and what fixes each: console dialog messages, requests Claude reports as blocked or failed, and rejections your… Restrict where Claude Tag operates Claude Documentation · in the page claude-tag/admins/restrict-access …its channel managers can't save settings for the channel; they see an error saying the channel's configuration was suspended by an administrator. They don't get a new bundle. Attach the bundle again t… Set up Claude Tag Claude Documentation · in the page claude-tag/admins/setup-overview …p can show instead of the next step, matched to its fix, is in [Setup errors](https://claude.com/docs/claude-tag/admins/troubleshooting.md#setup-errors) on the troubleshooting page. ## Related resour… Troubleshoot Claude Tag setup Claude Documentation · in the page claude-tag/admins/troubleshooting # Troubleshoot Claude Tag setup > Error messages from Claude Tag setup and what fixes each. Covers permission mismatches, GitHub access gaps, session start failures, and account errors. > [!NOTE] >… Get started Claude Documentation · in the page claude-tag/users/getting-started …ention Claude again. If it keeps happening, see [I get an environment error in a DM](https://claude.com/docs/claude-tag/users/troubleshooting.md#i-get-an-environment-error-in-a-dm) | ## Hand Claude a… Troubleshoot Claude Tag in channels and DMs Claude Documentation · in the page claude-tag/users/troubleshooting …k, missing connections, blocked links and websites, and DM or account errors. > [!NOTE] > > Claude Tag is in public beta. Features and behavior described here may change before general availability.… Manage your listing after publishing Claude Documentation · in the page connectors/building/after-publishing …on, and whether the plugin loads and its MCP servers respond without errors. The **Usage** tab covers a period you choose, up to 90 days, and you can export the figures as CSV. It shows these groups… Authentication for connectors Claude Documentation · in the page connectors/building/authentication …tored expiry. To avoid refresh failures: * Return RFC 6749-compliant error codes when a refresh token is no longer valid: `invalid_grant`, not `invalid_request` or a custom code * Rotate refresh toke… Lazy authentication for MCP servers Claude Documentation · in the page connectors/building/lazy-authentication …`http theme={null} HTTP/1.1 401 Unauthorized WWW-Authenticate: Bearer error="invalid_token", error_description="Authentication required for this tool", resource_metadata="https://example.com/.well-kno… Manage your directory listing Claude Documentation · in the page connectors/building/managing-your-listing …n the developer portal show a health badge, topline usage numbers, an error breakdown, and usage by product and by tool. > [!NOTE] > > Metrics are in beta. They're computed daily from directory usage… Let Claude call tools in your MCP App Claude Documentation · in the page connectors/building/mcp-apps/app-tools …p so that Claude can change what's on screen. Test a tool and fix SDK errors. With an app tool, Claude can change what your [MCP App](https://claude.com/docs/connectors/building/mcp-apps/getting-star… Design guidelines Claude Documentation · in the page connectors/building/mcp-apps/design-guidelines …t. A request to a dropped origin fails with a Content Security Policy error in the browser console. If you set `baseUriDomains`, Claude ignores it and keeps the base URI on your app's own origin. ###… Show your MCP App in the side panel or full screen Claude Documentation · in the page connectors/building/mcp-apps/display-modes …t define, such as `sidebar`, [the view doesn't start](#invalid-params-error-when-a-view-starts-or-requests-a-mode). ## Open a view in the side panel without a click To ask Claude to open a view in t… Download files from your MCP App Claude Documentation · in the page connectors/building/mcp-apps/download-files …rue; let message = "Download started."; try { const { isError } = await app.downloadFile( { contents: [ { type: "resource", reso… Embed a website in an MCP App Claude Documentation · in the page connectors/building/mcp-apps/embedded-sites …roubleshooting.md#open-developer-tools). ### Content Security Policy error names `frame-src` Claude didn't allow the origin for this view, and your site receives no request. Check each of these: *… Let people open your MCP App without asking Claude Claude Documentation · in the page connectors/building/mcp-apps/entry-points …Conditions for showing an app on the Artifacts page Claude shows no error when it doesn't list your app on the [**Artifacts**](https://claude.ai/artifacts) page. If your app isn't listed, [refresh t… Add an interactive UI to your MCP server Claude Documentation · in the page connectors/building/mcp-apps/quickstart …nst notAllowed = (req, res) => res.status(405).json({ jsonrpc: '2.0', error: { code: -32000, message: 'Method not allowed.' }, id: null }); > app.get('/mcp', notAllowed); > app.delete('/mcp', notAllow… Send messages to Claude from your MCP App Claude Documentation · in the page connectors/building/mcp-apps/send-messages …let message = "Continue in the conversation."; try { const { isError } = await app.sendMessage({ role: "user", content: [ { type: "text", text: "Plan three dinners from this… Troubleshoot MCP Apps Claude Documentation · in the page connectors/building/mcp-apps/troubleshooting …le apps, large tool results, iOS-only request failures, and ui.domain errors. When an MCP App doesn't render or load correctly in Claude, the tool call usually still appears in the conversation, and… Build your first MCP server for Claude Claude Documentation · in the page connectors/building/quickstart …nst notAllowed = (req, res) => res.status(405).json({ jsonrpc: '2.0', error: { code: -32000, message: 'Method not allowed.' }, id: null }); app.get('/mcp', notAllowed); app.delete('/mcp', notAllowed);… Connector pre-submission checklist Claude Documentation · in the page connectors/building/review-criteria …a successful response when called with valid parameters, and generic errors such as "Internal Server Error" or "Bad Request" with no detail fail review * Validate inputs and return actionable error m… Test your connector Claude Documentation · in the page connectors/building/testing …e.com/docs/connectors/building/troubleshooting.md) walks through each error message. ## Test in Claude as a custom connector To test your server the way users reach it, add it to Claude as a custom… Troubleshoot your connector Claude Documentation · in the page connectors/building/troubleshooting …and tool-call failures for custom and directory MCP connectors These errors appear in Claude, on claude.ai or in the desktop app, when someone uses your MCP server as a connector: either when they se…