ErrLookup › github/github-mcp-server

github/github-mcp-server

GitHub's official MCP Server · Go · 133 source files

Analyzed at 0ea1f775a7 on 2026-08-15. 208 documented errors.

Code / Message	Type	Severity	Tags
App not connected	exception	error	oauth, authentication, http, mcp, middleware
authentication required: set GITHUB_PERSONAL_ACCESS_TOKEN…	validation	error	oauth, configuration, metadata, http, ghes
Forbidden: insufficient scopes	http	error	http, oauth, scopes, authorization, mcp
failed to marshal workflow runs	exception	error	go, json, serialization, github-actions, workflow-runs
%w: %w	exception	warning	oauth, port, fallback, network, internals
failed to list releases	exception	error	go, github-api, http, rate-limit, releases
failed to get latest release	exception	error	go, github-api, releases, http, not-found
failed to marshal discussions	exception	warning	go, json-marshal, defensive-code, discussions
failed to update issue with agent assignment	exception	error	graphql, copilot, permissions, issues, github-api
`mutation_unconfirmed` mutation response did not include every item	exception	error	github-api, graphql, batch-mutation, ambiguous-state, retry
failed to create REST client	exception	error	go, url-parsing, go-github, client-construction
failed to read response body	exception	error	go, network, http, transient, issue-dependencies
owner is required	validation	error	go, graphql, authentication, configuration
GitHub App authentication and OAuth login…	validation	error	go, github, authentication, configuration
failed to get GitHub client	exception	error	configuration, auth, token, ghes, go
awaiting device authorization	http	error	oauth, device-flow, user-action, timeout, token-exchange
owner not specified	validation	error	go, github, authentication, configuration
bad request: Authorization header is badly formatted	http	error	http, authentication, token, middleware, configuration
failed to build inventory for tool scope map	exception	critical	go, startup, inventory, host-type, configuration
GitHub App installation ID is required…	validation	error	go, github, authentication, configuration
project field is included more than once	validation	error	projects, validation, duplicates, graphql
failed to download log content for job	exception	error	network, download, signed-url, logs, go
failed to get repositories	exception	warning	github-api, search, completions, mcp, rate-limit
requesting device code	http	error	oauth, device-flow, network, configuration, github-enterprise
failed to read log content	http	error	network, streaming, io, ring-buffer, go
failed to create raw client	exception	error	go, url-parsing, raw-content, client-construction
failed to get user permission level	exception	error	go, rest, lockdown, github-api, permissions
failed to get branch reference	exception	error	github-mcp-server, go, git-refs, github-api
failed to marshal comments	exception	warning	go, json-marshal, defensive-code, discussions
failed to unmarshal toolsets	validation	error	configuration, viper, cli, type-mismatch, startup
private key is %T, want an RSA key	validation	error	crypto, rsa, github-app, configuration, startup
OAuth callback port is not available; another process may…	validation	error	oauth, port, security, configuration, startup
unknown tools specified in WithTools	validation	error	configuration, tool-names, builder, validation, inventory
failed to get repo access cache	exception	error	go, lockdown-mode, auth, configuration
failed to unmarshal JSON text	exception	error	go, json, csv, output-format, encoding
failed to marshal response	exception	info	go, json, internal, unreachable-in-practice
failed to get upload URL	exception	error	go, configuration, dependency-injection, uploads, github-api
no token info in context	exception	critical	go, authentication, context, configuration, server-setup
failed to marshal workflow jobs	exception	error	go, json, serialization, github-actions, workflow-jobs
failed to list global security advisories	exception	error	go, mcp, github-api, rate-limit, security-advisory, validation
internal error	http	warning	go, oauth, html-template, http, client-disconnect
GitHub App REST base URL is required	validation	error	go, github, authentication, configuration
failed to get base REST URL	exception	error	go, configuration, dependency-injection, github-api, url-parsing
failed to marshal comment	exception	warning	go, json-marshal, defensive-code, discussions, mutations
lockdown cache is not configured	exception	critical	lockdown, configuration, security, fail-closed, server-setup
failed to read file content	exception	error	go, mcp, github-api, network, io, resource
invalid issue URL	validation	error	validation, url-parsing, comments, issues
failed to get Raw URL	exception	error	go, configuration, raw-content, dependency-injection
signing JWT	exception	error	crypto, jwt, rsa, environment, rare
failed to build inventory	validation	error	configuration, tool-names, inventory, cli, startup
GitHub App authentication requires a private key: set…	validation	warning	go, network, io, transient
unexpected status	http	error	http-status, github-api, proxy, go
failed to get GraphQL URL	exception	error	go, configuration, graphql, dependency-injection
bad request	error_code	error	http, authentication, authorization-header, token, sentinel-error
%s: %w	http	error	github-api, rest, error-wrapping, auth, go
failed to list repository security advisories	exception	error	go, mcp, github-api, not-found, rate-limit, security-advisory
field is TEXT; value must be a string	validation	error	github-projects, batch, input-validation, type-mismatch, field-value
failed to marshal discussion	exception	warning	go, json-marshal, defensive-code, discussions
GitHub App authentication and GITHUB_PERSONAL_ACCESS_TOKEN…	validation	warning	go, json, serialization, defensive
GitHub App ID or client ID is required (GITHUB_APP_ID)	validation	warning	go, json, serialization, defensive
failed to get issue ID	exception	error	go, graphql, github-api, auth, rate-limit
item_id	validation	error	github-projects, batch, input-validation, type-mismatch, item-id
failed to query repository metadata	exception	error	go, graphql, lockdown, github-api, not-found
failed to query viewer login	exception	error	go, graphql, lockdown, authentication, network
unknown tools specified in WithTools	http	error	go, inventory, validation, toolsets, configuration
bad request: unsupported Authorization header	http	error	http, authentication, token, middleware, scheme
failed to unmarshal tools	validation	error	configuration, viper, cli, type-mismatch, startup
field is NUMBER; value must be a number	validation	error	github-projects, batch, input-validation, type-mismatch, field-value, number
invalid GitHub App private key	validation	error	configuration, pem, github-app, startup, secrets
creating installation token request	exception	error	configuration, url, validation, startup
decoding installation token response	http	error	proxy, json, network, github-enterprise, http
failed to base64 encode content	exception	info	go, base64, resource, dead-code
installation token request failed	http	error	github-api, authentication, configuration, http-status
unsupported platform	validation	warning	platform, browser, oauth, portability
must be a positive integer	validation	error	github-projects, batch, input-validation, type-mismatch, issue-ref
authorization did not complete	exception	error	go, validation, user-input, blame
failed to process log content	exception	error	io, streaming, retry, logs, go
markers not found: /	console	warning	codegen, docs, markers, markdown, ci
failed to query issue fields metadata	exception	error	go, graphql, issue-fields, auth, rate-limit
no PEM block found in private key	exception	warning	go, network, io, transient
authorization failed	http	warning	oauth, authorization, user-action, github-api
failed to flush CSV	exception	info	go, csv, encoding, defensive-code, memory
commentNodeID cannot be blank	validation	warning	go, input-validation, discussions, tool-parameters
exchanging authorization code	http	error	oauth, pkce, token-exchange, configuration, user-action
error creating file	exception	error	go, filesystem, translations, containers, shutdown
failed to generate docs for	console	warning	codegen, docs, ci, automation
requesting installation token	http	error	network, proxy, tls, timeout, github-enterprise
issue field is missing fullDatabaseId	exception	error	go, graphql, issue-fields, schema-drift
failed to get job logs for job	exception	error	github-actions, logs, permissions, rate-limit, go
installation token response did not contain a token	exception	error	go, pagination, base64, validation
issue field option was not found for field	validation	error	go, graphql, issue-fields, validation
failed to get file tree	exception	warning	completions, mcp, git-tree, large-repos, github-api
GitHub App private key is required…	validation	warning	go, network, io, transient
failed to fetch raw content	http	error	go, mcp, github-api, auth, rate-limit, resource, http
repo is required	validation	warning	go, json, serialization, defensive
failed to marshal workflow	exception	error	json, serialization, workflow, go
failed to marshal discussion categories	exception	warning	go, json-marshal, defensive-code, discussions
failed to marshal workflows	exception	error	json, serialization, workflow, pagination, go
parameter is not a valid number	validation	error	validation, numeric, argument-parsing, wrapped-error, mcp-tool
state mismatch (possible CSRF)	validation	error	oauth, csrf, security, state, user-action