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package parser
import (
"encoding/json"
"errors"
"fmt"
"sort"
"strings"
"github.com/github/gh-aw/pkg/constants"
"github.com/github/gh-aw/pkg/logger"
"github.com/github/gh-aw/pkg/sliceutil"
"github.com/github/gh-aw/pkg/stringutil"
"github.com/github/gh-aw/pkg/types"
"github.com/github/gh-aw/pkg/workflow/actionslanguageservice"
"github.com/modelcontextprotocol/go-sdk/mcp"
)
var mcpLog = logger.New("parser:mcp")
// IsSimpleSecretExpression reports whether value is a direct GitHub Actions
// secrets reference without additional expression operators.
func IsSimpleSecretExpression(value string) bool {
if value != strings.TrimSpace(value) {
return false
}
expression, ok := actionslanguageservice.WrappedExpression(value)
if !ok {
if strings.Contains(value, "${{") {
mcpLog.Print("Not a valid standalone secret expression")
}
return false
}
path, ok := actionslanguageservice.Reference(expression)
if !ok || len(path) != 2 || path[0] != "secrets" || path[1] == "" {
return false
}
// Keep the credential allowlist independent of expression syntax.
for i, ch := range path[1] {
if ch != '_' && (ch < 'A' || ch > 'Z') && (i == 0 || ch < '0' || ch > '9') {
return false
}
}
return true
}
// ValidMCPTypes defines all supported MCP server types.
// "local" is an alias for "stdio" and gets normalized during parsing.
var ValidMCPTypes = []string{"stdio", "http", "local"}
// IsMCPType checks if a type string is a valid MCP server type.
// Returns true for "stdio", "http", and "local" (which is an alias for "stdio").
func IsMCPType(typeStr string) bool {
switch typeStr {
case "stdio", "http", "local":
return true
default:
return false
}
}
// RegistryMCPServerConfig represents a parser-layer MCP server configuration.
// It is intentionally distinct from workflow.MCPServerConfig, which models
// workflow-facing YAML tool configuration.
// It embeds BaseMCPServerConfig for common fields and adds parser-specific fields.
type RegistryMCPServerConfig struct {
types.BaseMCPServerConfig
// Parser-specific fields
Name string `json:"name"` // Server name/identifier
Registry string `json:"registry"` // URI to installation location from registry
ProxyArgs []string `json:"proxy-args"` // custom proxy arguments for container-based tools
Allowed []string `json:"allowed"` // allowed tools
// Gateway startup behavior: when Required is explicitly false the server is optional
// and startup failures degrade to warnings. nil means the default (required).
Required *bool `json:"required,omitempty"`
}
// MCPServerInfo contains the inspection results for an MCP server
type MCPServerInfo struct {
Config RegistryMCPServerConfig
Connected bool
Error error
Tools []*mcp.Tool
Resources []*mcp.Resource
Prompts []*mcp.Prompt
Roots []*MCPRootInfo
}
// MCPRootInfo contains inspection-only root display data inferred from resources.
type MCPRootInfo struct {
URI string
Name string
}
// ExtractMCPConfigurations extracts MCP server configurations from workflow frontmatter
func ExtractMCPConfigurations(frontmatter map[string]any, serverFilter string) ([]RegistryMCPServerConfig, error) {
mcpLog.Printf("Extracting MCP configurations with filter: %s", serverFilter)
var configs []RegistryMCPServerConfig
addSafeOutputsConfig(frontmatter, serverFilter, &configs)
addSafeJobsConfig(frontmatter, serverFilter, &configs)
addMCPScriptsConfig(frontmatter, serverFilter, &configs)
// Get mcp-servers section from frontmatter
mcpServersSection, hasMCPServers := frontmatter["mcp-servers"]
if !hasMCPServers {
mcpLog.Print("No mcp-servers section found, checking for built-in tools")
// Process built-in MCP tools from tools section.
if err := extractBuiltinMCPTools(frontmatter, serverFilter, &configs); err != nil {
return nil, err
}
mcpLog.Printf("Extracted %d MCP configurations total", len(configs))
return configs, nil // No mcp-servers configured, but we might have safe-outputs and built-in tools
}
mcpServers, ok := mcpServersSection.(map[string]any)
if !ok {
return nil, fmt.Errorf("mcp-servers section must be a map, got %T. Example:\nmcp-servers:\n my-server:\n command: \"npx @my/tool\"\n args: [\"--port\", \"3000\"]", mcpServersSection)
}
// Process built-in MCP tools from tools section.
if err := extractBuiltinMCPTools(frontmatter, serverFilter, &configs); err != nil {
return nil, err
}
// Process custom MCP servers from mcp-servers section
mcpLog.Printf("Processing %d custom MCP servers", len(mcpServers))
customConfigs, err := parseCustomMCPServerConfigs(mcpServers, serverFilter)
if err != nil {
return nil, err
}
configs = append(configs, customConfigs...)
mcpLog.Printf("Extracted %d MCP configurations total", len(configs))
return configs, nil
}
func addSafeOutputsConfig(frontmatter map[string]any, serverFilter string, configs *[]RegistryMCPServerConfig) {
safeOutputsSection, hasSafeOutputs := frontmatter["safe-outputs"]
if !hasSafeOutputs {
return
}
mcpLog.Print("Found safe-outputs configuration")
if !serverFilterMatches(constants.SafeOutputsMCPServerID.String(), serverFilter) {
return
}
config := RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Type: "stdio",
Command: "node",
Env: make(map[string]string),
},
Name: constants.SafeOutputsMCPServerID.String(),
}
if safeOutputsMap, ok := safeOutputsSection.(map[string]any); ok {
for toolType := range safeOutputsMap {
if mappedTool, ok := safeOutputToolName(toolType); ok {
config.Allowed = append(config.Allowed, mappedTool)
}
}
}
*configs = append(*configs, config)
}
func addSafeJobsConfig(frontmatter map[string]any, serverFilter string, configs *[]RegistryMCPServerConfig) {
safeJobsSection, hasSafeJobs := frontmatter["safe-jobs"]
if !hasSafeJobs {
return
}
mcpLog.Print("Found safe-jobs configuration")
if !serverFilterMatches(constants.SafeOutputsMCPServerID.String(), serverFilter) {
return
}
config := findOrCreateSafeOutputsConfig(configs)
if safeJobsMap, ok := safeJobsSection.(map[string]any); ok {
for jobName := range safeJobsMap {
config.Allowed = append(config.Allowed, jobName)
}
}
}
func addMCPScriptsConfig(frontmatter map[string]any, serverFilter string, configs *[]RegistryMCPServerConfig) {
mcpScriptsSection, hasMCPScripts := frontmatter["mcp-scripts"]
if !hasMCPScripts {
return
}
mcpLog.Print("Found mcp-scripts configuration")
if !serverFilterMatches(constants.MCPScriptsMCPServerID.String(), serverFilter) {
return
}
config := RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Type: "http",
Command: "",
Env: make(map[string]string),
},
Name: constants.MCPScriptsMCPServerID.String(),
}
if mcpScriptsMap, ok := mcpScriptsSection.(map[string]any); ok {
for toolName := range mcpScriptsMap {
if toolName != "mode" {
config.Allowed = append(config.Allowed, toolName)
}
}
}
*configs = append(*configs, config)
}
func serverFilterMatches(serverName, serverFilter string) bool {
return serverFilter == "" || strings.Contains(strings.ToLower(serverName), strings.ToLower(serverFilter))
}
func safeOutputToolName(toolType string) (string, bool) {
switch toolType {
case "create-issue", "create-discussion", "add-comment", "create-pull-request",
"create-pull-request-review-comment", "create-code-scanning-alert", "add-labels",
"update-issue", "push-to-pull-request-branch", "missing-tool":
return toolType, true
default:
return "", false
}
}
func findOrCreateSafeOutputsConfig(configs *[]RegistryMCPServerConfig) *RegistryMCPServerConfig {
for i := range *configs {
if (*configs)[i].Name == constants.SafeOutputsMCPServerID.String() {
return &(*configs)[i]
}
}
newConfig := RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Type: "stdio",
Command: "node",
Env: make(map[string]string),
},
Name: constants.SafeOutputsMCPServerID.String(),
}
*configs = append(*configs, newConfig)
return &(*configs)[len(*configs)-1]
}
func parseCustomMCPServerConfigs(mcpServers map[string]any, serverFilter string) ([]RegistryMCPServerConfig, error) {
var configs []RegistryMCPServerConfig
for serverName, serverValue := range mcpServers {
if serverFilter != "" && !strings.Contains(strings.ToLower(serverName), strings.ToLower(serverFilter)) {
continue
}
toolConfig, ok := serverValue.(map[string]any)
if !ok {
continue
}
config, err := ParseMCPConfig(serverName, toolConfig, toolConfig)
if err != nil {
return nil, fmt.Errorf("failed to parse MCP config for %s: %w", serverName, err)
}
mcpLog.Printf("Parsed custom MCP server: %s (type=%s)", serverName, config.Type)
configs = append(configs, config)
}
return configs, nil
}
// extractBuiltinMCPTools reads the tools section and appends GitHub configs to configs.
// It returns an error if a removed tool (serena) is present.
func extractBuiltinMCPTools(frontmatter map[string]any, serverFilter string, configs *[]RegistryMCPServerConfig) error {
toolsSection, hasTools := frontmatter["tools"]
if !hasTools {
return nil
}
tools, ok := toolsSection.(map[string]any)
if !ok {
return nil
}
for toolName, toolValue := range tools {
if toolName == "serena" {
return errors.New("tools.serena is removed")
}
if toolName == "github" || toolName == "linear" {
config, err := processBuiltinMCPTool(toolName, toolValue, serverFilter)
if err != nil {
return err
}
if config != nil {
mcpLog.Printf("Added built-in MCP tool: %s", toolName)
*configs = append(*configs, *config)
}
}
}
return nil
}
// processBuiltinMCPTool handles built-in MCP tools.
func processBuiltinMCPTool(toolName string, toolValue any, serverFilter string) (*RegistryMCPServerConfig, error) {
if serverFilter != "" && !strings.Contains(strings.ToLower(toolName), strings.ToLower(serverFilter)) {
return nil, nil
}
if toolName == "github" {
config := buildGitHubBuiltinConfig(toolValue)
return &config, nil
}
if toolName == "linear" {
return buildLinearBuiltinConfig(toolValue)
}
return nil, nil
}
func buildLinearBuiltinConfig(toolValue any) (*RegistryMCPServerConfig, error) {
if toolValue == nil {
toolValue = map[string]any{}
}
toolConfig, ok := toolValue.(map[string]any)
if !ok {
return nil, errors.New("tools.linear must be an object")
}
if _, expanded := toolConfig["type"]; expanded {
return buildExpandedLinearBuiltinConfig(toolConfig)
}
for field := range toolConfig {
switch field {
case "token", "toolsets", "allowed", "required":
default:
return nil, fmt.Errorf("unknown tools.linear property %q", field)
}
}
token := constants.LinearMCPDefaultTokenExpr
if value, exists := toolConfig["token"]; exists {
var ok bool
token, ok = value.(string)
if !ok || strings.TrimSpace(token) == "" {
return nil, errors.New("tools.linear.token must be a GitHub Actions secret reference")
}
}
if !IsSimpleSecretExpression(token) {
return nil, errors.New("tools.linear.token must be a GitHub Actions secret reference")
}
config := &RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Type: "http",
URL: constants.LinearMCPReadOnlyURL,
Headers: map[string]string{
"Authorization": "Bearer " + token,
},
},
Name: "linear",
}
allowed, err := buildLinearAllowedTools(toolConfig)
if err != nil {
return nil, err
}
config.Allowed = allowed
if requiredValue, exists := toolConfig["required"]; exists {
required, ok := requiredValue.(bool)
if !ok {
return nil, errors.New("tools.linear.required must be a boolean")
}
config.Required = &required
}
return config, nil
}
func buildExpandedLinearBuiltinConfig(toolConfig map[string]any) (*RegistryMCPServerConfig, error) {
for field := range toolConfig {
switch field {
case "type", "url", "headers", "allowed", "required":
default:
return nil, fmt.Errorf("unknown expanded tools.linear property %q", field)
}
}
typeName, ok := toolConfig["type"].(string)
if !ok || typeName != "http" {
return nil, errors.New("expanded tools.linear type must be http")
}
url, ok := toolConfig["url"].(string)
if !ok || url == "" {
return nil, errors.New("expanded tools.linear url must be a non-empty string")
}
config := &RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{Type: typeName, URL: url, Headers: map[string]string{}},
Name: "linear",
}
if headers, ok := toolConfig["headers"].(map[string]any); ok {
for key, value := range headers {
header, ok := value.(string)
if !ok {
return nil, fmt.Errorf("expanded tools.linear header %q must be a string", key)
}
config.Headers[key] = header
}
}
allowed, err := buildLinearAllowedTools(toolConfig)
if err != nil {
return nil, err
}
config.Allowed = allowed
if requiredValue, exists := toolConfig["required"]; exists {
required, ok := requiredValue.(bool)
if !ok {
return nil, errors.New("tools.linear.required must be a boolean")
}
config.Required = &required
}
return config, nil
}
func buildLinearAllowedTools(toolConfig map[string]any) ([]string, error) {
var toolsetTools []string
if toolsetsValue, exists := toolConfig["toolsets"]; exists {
var err error
toolsetTools, err = ParseLinearToolsets(toolsetsValue)
if err != nil {
return nil, err
}
}
allowedValue, exists := toolConfig["allowed"]
if !exists {
return toolsetTools, nil
}
allowed, ok := allowedValue.([]any)
if !ok || len(allowed) == 0 {
return nil, errors.New("tools.linear.allowed must be a non-empty array of tool names")
}
result := make([]string, 0, len(allowed))
for _, item := range allowed {
tool, ok := item.(string)
if !ok || strings.TrimSpace(tool) == "" {
return nil, errors.New("tools.linear.allowed must contain only non-empty tool names")
}
result = append(result, tool)
}
if len(toolsetTools) > 0 {
if err := ValidateLinearAllowedForToolsets(result, toolsetTools); err != nil {
return nil, err
}
}
return result, nil
}
func buildGitHubBuiltinConfig(toolValue any) RegistryMCPServerConfig {
useRemote, customToken, toolConfig := githubBuiltinMode(toolValue)
var config RegistryMCPServerConfig
if useRemote {
config = RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Type: "http",
URL: "https://api.githubcopilot.com/mcp/",
Headers: make(map[string]string),
Env: make(map[string]string),
},
Name: "github",
}
if customToken != "" {
config.Env["GITHUB_TOKEN"] = customToken
}
config.Headers["X-MCP-Readonly"] = "true"
} else {
config = RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Type: "docker",
Command: "docker",
Args: []string{
"run", "-i", "--rm", "-e", "GITHUB_PERSONAL_ACCESS_TOKEN",
"-e", "GITHUB_READ_ONLY=1",
"ghcr.io/github/github-mcp-server:" + string(constants.DefaultGitHubMCPServerVersion),
},
Env: make(map[string]string),
},
Name: "github",
}
if githubToken, err := GetGitHubToken(); err == nil {
config.Env["GITHUB_PERSONAL_ACCESS_TOKEN"] = githubToken
} else {
config.Env["GITHUB_PERSONAL_ACCESS_TOKEN"] = "${GITHUB_TOKEN_REQUIRED}"
}
}
appendBuiltinAllowedTools(&config, toolConfig)
if !useRemote {
applyGitHubBuiltinOverrides(&config, toolConfig)
}
return config
}
func githubBuiltinMode(toolValue any) (bool, string, map[string]any) {
toolConfig, ok := toolValue.(map[string]any)
if !ok {
return false, "", nil
}
useRemote := false
customToken := ""
if modeField, hasMode := toolConfig["mode"]; hasMode {
if modeStr, ok := modeField.(string); ok && modeStr == "remote" {
useRemote = true
}
}
if token, hasToken := toolConfig["github-token"]; hasToken {
if tokenStr, ok := token.(string); ok {
customToken = tokenStr
}
}
return useRemote, customToken, toolConfig
}
func appendBuiltinAllowedTools(config *RegistryMCPServerConfig, toolConfig map[string]any) {
if toolConfig == nil {
return
}
if allowed, hasAllowed := toolConfig["allowed"]; hasAllowed {
if allowedSlice, ok := allowed.([]any); ok {
for _, item := range allowedSlice {
if str, ok := item.(string); ok {
config.Allowed = append(config.Allowed, str)
}
}
}
}
}
func applyGitHubBuiltinOverrides(config *RegistryMCPServerConfig, toolConfig map[string]any) {
if toolConfig == nil {
return
}
if version, exists := toolConfig["version"]; exists {
if versionStr := stringutil.ParseVersionValue(version); versionStr != "" {
replaceBuiltinImage(config, "ghcr.io/github/github-mcp-server:", "ghcr.io/github/github-mcp-server:"+versionStr)
}
}
appendBuiltinArgs(config, toolConfig["args"])
}
func replaceBuiltinImage(config *RegistryMCPServerConfig, prefix, replacement string) {
for i, arg := range config.Args {
if strings.HasPrefix(arg, prefix) {
config.Args[i] = replacement
break
}
}
}
func appendBuiltinArgs(config *RegistryMCPServerConfig, argsValue any) {
if argsSlice, ok := argsValue.([]any); ok {
for _, arg := range argsSlice {
if argStr, ok := arg.(string); ok {
config.Args = append(config.Args, argStr)
}
}
}
if argsSlice, ok := argsValue.([]string); ok {
config.Args = append(config.Args, argsSlice...)
}
}
// ParseMCPConfig parses MCP configuration from various formats (map or JSON string)
func ParseMCPConfig(toolName string, mcpSection any, toolConfig map[string]any) (RegistryMCPServerConfig, error) {
mcpLog.Printf("Parsing MCP configuration for tool: %s", toolName)
config := RegistryMCPServerConfig{
BaseMCPServerConfig: types.BaseMCPServerConfig{
Env: make(map[string]string),
Headers: make(map[string]string),
},
Name: toolName,
}
appendBuiltinAllowedTools(&config, toolConfig)
mcpConfig, err := parseMCPSectionMap(mcpSection, toolName)
if err != nil {
return config, err
}
config.Type, err = inferOrReadMCPType(mcpConfig, toolName)
if err != nil {
return config, err
}
if err := parseMCPRegistryValue(mcpConfig, toolName, &config); err != nil {
return config, err
}
config.CACertFile, err = ParseMCPCACertFile(mcpConfig, config.Type, toolName)
if err != nil {
return config, err
}
mcpLog.Printf("Extracting %s configuration for tool: %s", config.Type, toolName)
switch config.Type {
case "stdio":
if err := parseMCPStdioTypeConfig(mcpConfig, toolName, &config); err != nil {
return config, err
}
case "http":
if err := parseMCPHTTPTypeConfig(mcpConfig, toolName, &config); err != nil {
return config, err
}
default:
return config, fmt.Errorf("unsupported MCP type '%s' for tool '%s'. Valid types are: stdio, http. Example:\nmcp-servers:\n %s:\n type: stdio\n command: \"npx @my/tool\"\n args: [\"--port\", \"3000\"]", config.Type, toolName, toolName)
}
return config, nil
}
func parseMCPSectionMap(mcpSection any, toolName string) (map[string]any, error) {
switch v := mcpSection.(type) {
case map[string]any:
return v, nil
case string:
var mcpConfig map[string]any
if err := json.Unmarshal([]byte(v), &mcpConfig); err != nil {
return nil, fmt.Errorf("invalid JSON in mcp configuration: %w", err)
}
return mcpConfig, nil
default:
return nil, fmt.Errorf("mcp configuration must be a map or JSON string, got %T. Example:\nmcp-servers:\n %s:\n command: \"npx @my/tool\"\n args: [\"--port\", \"3000\"]", v, toolName)
}
}
func inferOrReadMCPType(mcpConfig map[string]any, toolName string) (string, error) {
if typeVal, hasType := mcpConfig["type"]; hasType {
typeStr, ok := typeVal.(string)
if !ok {
return "", fmt.Errorf("type field must be a string, got %T. Valid types are: stdio, http. Example:\nmcp-servers:\n %s:\n type: stdio\n command: \"npx @my/tool\"", typeVal, toolName)
}
if typeStr == "local" {
return "stdio", nil
}
return typeStr, nil
}
if _, hasURL := mcpConfig["url"]; hasURL {
mcpLog.Printf("Inferred MCP type 'http' for tool %s based on url field", toolName)
return "http", nil
}
if _, hasCommand := mcpConfig["command"]; hasCommand {
mcpLog.Printf("Inferred MCP type 'stdio' for tool %s based on command field", toolName)
return "stdio", nil
}
if _, hasContainer := mcpConfig["container"]; hasContainer {
mcpLog.Printf("Inferred MCP type 'stdio' for tool %s based on container field", toolName)
return "stdio", nil
}
return "", fmt.Errorf("unable to determine MCP type for tool '%s': missing type, url, command, or container. Must specify one of: 'type' (stdio/http), 'url' (for HTTP MCP), 'command' (for command-based), or 'container' (for Docker-based). Example:\nmcp-servers:\n %s:\n command: \"npx @my/tool\"\n args: [\"--port\", \"3000\"]", toolName, toolName)
}
func parseMCPRegistryValue(mcpConfig map[string]any, toolName string, config *RegistryMCPServerConfig) error {
if registry, hasRegistry := mcpConfig["registry"]; hasRegistry {
registryStr, ok := registry.(string)
if !ok {
return fmt.Errorf("registry field must be a string, got %T. Example:\nmcp-servers:\n %s:\n registry: \"https://registry.npmjs.org/@my/tool\"\n command: \"npx @my/tool\"", registry, toolName)
}
config.Registry = registryStr
}
return nil
}
func parseMCPStdioTypeConfig(mcpConfig map[string]any, toolName string, config *RegistryMCPServerConfig) error {
if container, hasContainer := mcpConfig["container"]; hasContainer {
if containerStr, ok := container.(string); ok {
configureMCPStdioContainer(toolName, containerStr, mcpConfig, config)
}
} else {
if err := configureMCPStdioCommand(toolName, mcpConfig, config); err != nil {
return err
}
}
copyStringMapFromAny(mcpConfig["env"], config.Env)
appendNetworkProxyArgs(mcpConfig["network"], &config.ProxyArgs)
return nil
}
func configureMCPStdioContainer(toolName, containerStr string, mcpConfig map[string]any, config *RegistryMCPServerConfig) {
mcpLog.Printf("Tool %s uses container: %s", toolName, containerStr)
config.Container = containerStr
config.Command = "docker"
config.Args = []string{"run", "--rm", "-i"}
appendContainerEnv(config, mcpConfig["env"])
appendContainerMounts(config, mcpConfig["mounts"])
if entrypointStr, ok := mcpConfig["entrypoint"].(string); ok {
config.Entrypoint = entrypointStr
config.Args = append(config.Args, "--entrypoint", entrypointStr)
}
config.Args = append(config.Args, containerStr)
appendBuiltinArgs(config, mcpConfig["entrypointArgs"])
}
func configureMCPStdioCommand(toolName string, mcpConfig map[string]any, config *RegistryMCPServerConfig) error {
command, hasCommand := mcpConfig["command"]
if !hasCommand {
return fmt.Errorf(
"stdio MCP tool '%s' must specify either 'command' or 'container' field. Cannot specify both. "+
"Example with command:\n"+
"mcp-servers:\n"+
" %s:\n"+
" command: \"npx @my/tool\"\n"+
" args: [\"--port\", \"3000\"]\n\n"+
"Example with container:\n"+
"mcp-servers:\n"+
" %s:\n"+
" container: \"myorg/my-tool:latest\"\n"+
" env:\n"+
" API_KEY: \"${{ secrets.API_KEY }}\"",
toolName, toolName, toolName,
)
}
commandStr, ok := command.(string)
if !ok {
return fmt.Errorf("command field must be a string, got %T. Example:\nmcp-servers:\n %s:\n command: \"npx @my/tool\"\n args: [\"--port\", \"3000\"]", command, toolName)
}
config.Command = commandStr
appendBuiltinArgs(config, mcpConfig["args"])
return nil
}
func appendContainerEnv(config *RegistryMCPServerConfig, envValue any) {
envMap, ok := envValue.(map[string]any)
if !ok {
return
}
envKeys := sliceutil.SortedKeys(envMap)
for _, key := range envKeys {
if valueStr, ok := envMap[key].(string); ok {
config.Args = append(config.Args, "-e", key)
config.Env[key] = valueStr
}
}
}
func appendContainerMounts(config *RegistryMCPServerConfig, mountsValue any) {
mountsSlice, ok := mountsValue.([]any)
if !ok {
return
}
var mountStrings []string
for _, mount := range mountsSlice {
if mountStr, ok := mount.(string); ok {
mountStrings = append(mountStrings, mountStr)
config.Mounts = append(config.Mounts, mountStr)
}
}
sort.Strings(mountStrings)
for _, mountStr := range mountStrings {
config.Args = append(config.Args, "-v", mountStr)
}
}
func appendNetworkProxyArgs(networkValue any, proxyArgs *[]string) {
networkMap, ok := networkValue.(map[string]any)
if !ok {
return
}
proxyValue, hasProxyArgs := networkMap["proxy-args"]
if !hasProxyArgs {
return
}
if proxyArgsSlice, ok := proxyValue.([]any); ok {
for _, arg := range proxyArgsSlice {
if argStr, ok := arg.(string); ok {
*proxyArgs = append(*proxyArgs, argStr)
}
}
}
}
func copyStringMapFromAny(source any, target map[string]string) {
sourceMap, ok := source.(map[string]any)
if !ok {
return
}
for key, value := range sourceMap {
if valueStr, ok := value.(string); ok {
target[key] = valueStr
}
}
}
func parseMCPHTTPTypeConfig(mcpConfig map[string]any, toolName string, config *RegistryMCPServerConfig) error {
url, hasURL := mcpConfig["url"]
if !hasURL {
return fmt.Errorf(
"http MCP tool '%s' missing required 'url' field. HTTP MCP servers must specify a URL endpoint. "+
"Example:\n"+
"mcp-servers:\n"+
" %s:\n"+
" type: http\n"+
" url: \"https://api.example.com/mcp\"\n"+
" headers:\n"+
" Authorization: \"${{ secrets.API_KEY }}\"",
toolName, toolName,
)
}
urlStr, ok := url.(string)
if !ok {
return fmt.Errorf(
"url field must be a string, got %T. Example:\n"+
"mcp-servers:\n"+
" %s:\n"+
" type: http\n"+
" url: \"https://api.example.com/mcp\"\n"+
" headers:\n"+
" Authorization: \"${{ secrets.API_KEY }}\"",
url, toolName)
}
mcpLog.Printf("Tool %s uses HTTP transport with URL: %s", toolName, urlStr)
config.URL = urlStr
copyStringMapFromAny(mcpConfig["headers"], config.Headers)
return nil
}
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