223 pages for debug.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Configuration changelog
Claude Documentation · in the page
third-party/claude-desktop/configuration-changelog
…eme={null} { "otlp": { "desktopLogLevel": "<off|error|warn|info|debug>" }, "inference": { "credential": { "tenantId": "<string>", "clientId": "<string>" } } } ``` **v1…
SSH remote sessions in Claude Desktop on 3P
Claude Documentation · in the page
third-party/claude-desktop/ssh-remote-sessions
…`MCP_` or are one of a few fixed logging and runtime names, such as `DEBUG` and `NODE_ENV`. A secret in an argument or in an `MCP_` variable reaches the host. On a Linux or macOS host, Claude Desktop…
Telemetry and egress
Claude Documentation · in the page
third-party/claude-desktop/telemetry
…party/claude-desktop/configuration#otlpdesktoploglevel) is `info` or `debug`, and the title text is included only when `otlpContentCapture` includes `userPrompts`. Requires Claude Desktop 1.44121.1 or…
Web search and web fetch
Claude Documentation · in the page
third-party/claude-desktop/web-tools
…party/claude-desktop/configuration#otlpdesktoploglevel) is `info` or `debug`, not at the default `error` level. > [!NOTE] > > If you previously routed inference through a LiteLLM proxy to add search,…
Build an MCP client
Model Context Protocol · in the page
docs/2024-11-05/develop/build-client
…run a command similar to: `cargo run -- ../weather-server-rust/target/debug/weather` The client will: 1. Start and connect to the specified MCP server 2. List the tools available from that server 3.…
Build an MCP server
Model Context Protocol · in the page
docs/2024-11-05/develop/build-server
…from the National Weather Service API: ```rust theme={null} #[derive(Debug, Deserialize)] struct AlertsResponse { features: Vec<AlertFeature>, } #[derive(Debug, Deserialize)] struct AlertFeature…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2024-11-05/develop/connect-local-servers
…connect, refer to the [Troubleshooting](#troubleshooting) section for debugging steps. ## Using the Filesystem Server With the Filesystem Server connected, Claude can now interact with your file sys…
Architecture overview
Model Context Protocol · in the page
docs/2024-11-05/learn/architecture
…n. * **Logging**: Enables servers to send log messages to clients for debugging and monitoring purposes. For more details about client primitives see [client concepts](/docs/2024-11-05/learn/client-c…
MCP Inspector
Model Context Protocol · in the page
docs/2024-11-05/tools/inspector
…nspector > In-depth guide to using the MCP Inspector for testing and debugging Model Context Protocol servers The [MCP Inspector](https://github.com/modelcontextprotocol/inspector) is an interactive…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2024-11-05/tutorials/security/authorization
…pection", host=config.HOST, port=config.PORT, debug=True, streamable_http_path="/", token_verifier=token_verifier, auth=AuthSettings( issuer…
Build an MCP client
Model Context Protocol · in the page
docs/2025-03-26/develop/build-client
…run a command similar to: `cargo run -- ../weather-server-rust/target/debug/weather` The client will: 1. Start and connect to the specified MCP server 2. List the tools available from that server 3.…
Build an MCP server
Model Context Protocol · in the page
docs/2025-03-26/develop/build-server
…from the National Weather Service API: ```rust theme={null} #[derive(Debug, Deserialize)] struct AlertsResponse { features: Vec<AlertFeature>, } #[derive(Debug, Deserialize)] struct AlertFeature…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-03-26/develop/connect-local-servers
…connect, refer to the [Troubleshooting](#troubleshooting) section for debugging steps. ## Using the Filesystem Server With the Filesystem Server connected, Claude can now interact with your file sys…
Architecture overview
Model Context Protocol · in the page
docs/2025-03-26/learn/architecture
…n. * **Logging**: Enables servers to send log messages to clients for debugging and monitoring purposes. For more details about client primitives see [client concepts](/docs/2025-03-26/learn/client-c…
MCP Inspector
Model Context Protocol · in the page
docs/2025-03-26/tools/inspector
…nspector > In-depth guide to using the MCP Inspector for testing and debugging Model Context Protocol servers The [MCP Inspector](https://github.com/modelcontextprotocol/inspector) is an interactive…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-03-26/tutorials/security/authorization
…pection", host=config.HOST, port=config.PORT, debug=True, streamable_http_path="/", token_verifier=token_verifier, auth=AuthSettings( issuer…
Build an MCP client
Model Context Protocol · in the page
docs/2025-06-18/develop/build-client
…run a command similar to: `cargo run -- ../weather-server-rust/target/debug/weather` The client will: 1. Start and connect to the specified MCP server 2. List the tools available from that server 3.…
Build an MCP server
Model Context Protocol · in the page
docs/2025-06-18/develop/build-server
…from the National Weather Service API: ```rust theme={null} #[derive(Debug, Deserialize)] struct AlertsResponse { features: Vec<AlertFeature>, } #[derive(Debug, Deserialize)] struct AlertFeature…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-06-18/develop/connect-local-servers
…connect, refer to the [Troubleshooting](#troubleshooting) section for debugging steps. ## Using the Filesystem Server With the Filesystem Server connected, Claude can now interact with your file sys…
Architecture overview
Model Context Protocol · in the page
docs/2025-06-18/learn/architecture
…r. * **Logging**: Enables servers to send log messages to clients for debugging and monitoring purposes. For more details about client primitives see [client concepts](/docs/2025-06-18/learn/client-c…
MCP Inspector
Model Context Protocol · in the page
docs/2025-06-18/tools/inspector
…nspector > In-depth guide to using the MCP Inspector for testing and debugging Model Context Protocol servers The [MCP Inspector](https://github.com/modelcontextprotocol/inspector) is an interactive…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-06-18/tutorials/security/authorization
…pection", host=config.HOST, port=config.PORT, debug=True, streamable_http_path="/", token_verifier=token_verifier, auth=AuthSettings( issuer…
Build an MCP client
Model Context Protocol · in the page
docs/2025-11-25/develop/build-client
…run a command similar to: `cargo run -- ../weather-server-rust/target/debug/weather` The client will: 1. Start and connect to the specified MCP server 2. List the tools available from that server 3.…
Build an MCP server
Model Context Protocol · in the page
docs/2025-11-25/develop/build-server
…from the National Weather Service API: ```rust theme={null} #[derive(Debug, Deserialize)] struct AlertsResponse { features: Vec<AlertFeature>, } #[derive(Debug, Deserialize)] struct AlertFeature…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-11-25/develop/connect-local-servers
…connect, refer to the [Troubleshooting](#troubleshooting) section for debugging steps. ## Using the Filesystem Server With the Filesystem Server connected, Claude can now interact with your file sys…
Architecture overview
Model Context Protocol · in the page
docs/2025-11-25/learn/architecture
…r. * **Logging**: Enables servers to send log messages to clients for debugging and monitoring purposes. For more details about client primitives see [client concepts](/docs/2025-11-25/learn/client-c…
MCP Inspector
Model Context Protocol · in the page
docs/2025-11-25/tools/inspector
…nspector > In-depth guide to using the MCP Inspector for testing and debugging Model Context Protocol servers The [MCP Inspector](https://github.com/modelcontextprotocol/inspector) is an interactive…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-11-25/tutorials/security/authorization
…pection", host=config.HOST, port=config.PORT, debug=True, streamable_http_path="/", token_verifier=token_verifier, auth=AuthSettings( issuer…
Build an MCP client
Model Context Protocol · in the page
docs/2026-07-28/develop/build-client
…run a command similar to: `cargo run -- ../weather-server-rust/target/debug/weather` The client will: 1. Start and connect to the specified MCP server 2. List the tools available from that server 3.…
Build an MCP server
Model Context Protocol · in the page
docs/2026-07-28/develop/build-server
…from the National Weather Service API: ```rust theme={null} #[derive(Debug, Deserialize)] struct AlertsResponse { features: Vec<AlertFeature>, } #[derive(Debug, Deserialize)] struct AlertFeature…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2026-07-28/develop/connect-local-servers
…connect, refer to the [Troubleshooting](#troubleshooting) section for debugging steps. ## Using the Filesystem Server With the Filesystem Server connected, Claude can now interact with your file sys…
Architecture overview
Model Context Protocol · in the page
docs/2026-07-28/learn/architecture
…s. * **Logging**: Enables servers to send log messages to clients for debugging and monitoring purposes. New implementations should log to `stderr` (stdio transport) or use OpenTelemetry. For more de…
MCP Inspector
Model Context Protocol · in the page
docs/2026-07-28/tools/inspector
# MCP Inspector > Interactive developer tooling for testing and debugging MCP servers, in the browser, on the command line, and in the terminal The [MCP Inspector](https://github.com/modelcontextpro…
Configuration and flags
Model Context Protocol · in the page
docs/2026-07-28/tools/inspector/configuration
…e). ### Read by the launcher | Variable | Effect | | - | - | | `MCP_DEBUG` | Append the error stack to a top-level `--web` or `--tui` failure (a `--cli` failure always prints its [JSON error envelop…
Protocol eras
Model Context Protocol · in the page
docs/2026-07-28/tools/inspector/protocol-eras
…. | > [!NOTE] > > **Why `legacy` is the default, and not `auto`.** A debugging tool must not > auto-probe. A `server/discover` probe stalls against silent legacy stdio > servers, and it pollutes the…
Web client
Model Context Protocol · in the page
docs/2026-07-28/tools/inspector/web
…ich extensions the Inspector declares in `capabilities.extensions`. A debugging knob: a server may legitimately change what it registers based on what you advertise. Uncheck the Tasks extension and re…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2026-07-28/tutorials/security/authorization
…hat validates tokens via Authorization Server introspection", debug=True, token_verifier=token_verifier, auth=AuthSettings( issuer_url=AnyHttpUrl(oauth_urls["issuer…
Build an MCP client
Model Context Protocol · in the page
docs/draft/develop/build-client
…run a command similar to: `cargo run -- ../weather-server-rust/target/debug/weather` The client will: 1. Start and connect to the specified MCP server 2. List the tools available from that server 3.…
Build an MCP server
Model Context Protocol · in the page
docs/draft/develop/build-server
…from the National Weather Service API: ```rust theme={null} #[derive(Debug, Deserialize)] struct AlertsResponse { features: Vec<AlertFeature>, } #[derive(Debug, Deserialize)] struct AlertFeature…
Connect to local MCP servers
Model Context Protocol · in the page
docs/draft/develop/connect-local-servers
…connect, refer to the [Troubleshooting](#troubleshooting) section for debugging steps. ## Using the Filesystem Server With the Filesystem Server connected, Claude can now interact with your file sys…
Architecture overview
Model Context Protocol · in the page
docs/draft/learn/architecture
…s. * **Logging**: Enables servers to send log messages to clients for debugging and monitoring purposes. New implementations should log to `stderr` (stdio transport) or use OpenTelemetry. For more de…
MCP Inspector
Model Context Protocol · in the page
docs/draft/tools/inspector
# MCP Inspector > Interactive developer tooling for testing and debugging MCP servers, in the browser, on the command line, and in the terminal The [MCP Inspector](https://github.com/modelcontextpro…
Configuration and flags
Model Context Protocol · in the page
docs/draft/tools/inspector/configuration
…e). ### Read by the launcher | Variable | Effect | | - | - | | `MCP_DEBUG` | Append the error stack to a top-level `--web` or `--tui` failure (a `--cli` failure always prints its [JSON error envelop…
Protocol eras
Model Context Protocol · in the page
docs/draft/tools/inspector/protocol-eras
…. | > [!NOTE] > > **Why `legacy` is the default, and not `auto`.** A debugging tool must not > auto-probe. A `server/discover` probe stalls against silent legacy stdio > servers, and it pollutes the…
Web client
Model Context Protocol · in the page
docs/draft/tools/inspector/web
…ich extensions the Inspector declares in `capabilities.extensions`. A debugging knob: a server may legitimately change what it registers based on what you advertise. Uncheck the Tasks extension and re…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/draft/tutorials/security/authorization
…hat validates tokens via Authorization Server introspection", debug=True, token_verifier=token_verifier, auth=AuthSettings( issuer_url=AnyHttpUrl(oauth_urls["issuer…
SEP-1686: Tasks
Model Context Protocol · in the page
seps/1686-tasks
…this hand-rolled polling mechanism across many tools. One team had to debug an issue where the model would hallucinate job names if it hadn’t listed them first. Validating that this does not happen ac…
SEP-2243: HTTP Header Standardization for Streamable HTTP Transport
Model Context Protocol · in the page
seps/2243-http-standardization
…ion 2. **Logging**: URL paths are typically logged by default, making debugging easier **Trade-offs and Framework Considerations**: | Framework | Header-based Routing | Path-based Routing | | - | -…
SEP-2484: Require Conformance Tests for Standards Track SEPs to Reach Final Status
Model Context Protocol · in the page
seps/2484-conformance-tests-required-for-final-seps
…uage-neutral fixtures for runtime expressiveness. SEP-1627's protocol-debugger ideas remain valuable future work. ## Rationale ### Why gate `Final` rather than `Accepted`? Gating `Accepted` would r…
Cancellation
Model Context Protocol · in the page
specification/2024-11-05/basic/utilities/cancellation
…ntation Notes * Both parties **SHOULD** log cancellation reasons for debugging * Application UIs **SHOULD** indicate when cancellation is requested ## Error Handling Invalid cancellation notificati…