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import { GitLabTier } from "./GitLabVersionDetector";
import { logDebug, logWarn } from "../logger";
import { parseVersion } from "../utils/version";
interface ToolRequirement {
minVersion: string;
requiredTier: "free" | "premium" | "ultimate";
notes?: string;
}
/**
* Action-level tier requirement
*/
interface ActionRequirement {
tier: "free" | "premium" | "ultimate";
minVersion: string;
notes?: string;
}
/**
* Parameter-level tier/version requirement.
* Same structure as ActionRequirement; aliased for semantic clarity
* when used in parameterRequirements map.
*/
type ParameterRequirement = ActionRequirement;
/**
* Tool with action-level requirements (for consolidated tools)
*/
interface ToolActionRequirements {
/** Default requirement when action is not specified */
default: ActionRequirement;
/** Action-specific requirements (override default) */
actions?: Record<string, ActionRequirement>;
}
export class ToolAvailability {
/** Tier hierarchy for comparison: free < premium < ultimate */
private static readonly TIER_ORDER: Record<string, number> = {
free: 0,
premium: 1,
ultimate: 2,
};
// ============================================================================
// Consolidated Tools with Action-Level Requirements
// ============================================================================
private static actionRequirements: Record<string, ToolActionRequirements> = {
// Core tools
browse_projects: {
default: { tier: "free", minVersion: "8.0" },
},
browse_namespaces: {
default: { tier: "free", minVersion: "9.0" },
},
browse_commits: {
default: { tier: "free", minVersion: "8.0" },
},
browse_events: {
default: { tier: "free", minVersion: "9.0" },
},
browse_users: {
default: { tier: "free", minVersion: "8.0" },
},
browse_todos: {
default: { tier: "free", minVersion: "8.0" },
},
browse_iterations: {
default: { tier: "premium", minVersion: "13.1", notes: "Iterations/Sprints" },
},
manage_project: {
default: { tier: "free", minVersion: "8.0" },
actions: {
create: { tier: "free", minVersion: "8.0" },
fork: { tier: "free", minVersion: "8.0" },
update: { tier: "free", minVersion: "8.0" },
delete: { tier: "free", minVersion: "8.0" },
archive: { tier: "free", minVersion: "8.0" },
unarchive: { tier: "free", minVersion: "8.0" },
transfer: { tier: "free", minVersion: "8.0" },
},
},
manage_namespace: {
default: { tier: "free", minVersion: "8.0" },
actions: {
create: { tier: "free", minVersion: "8.0" },
update: { tier: "free", minVersion: "8.0" },
delete: { tier: "free", minVersion: "8.0" },
},
},
// Merge Requests
browse_merge_requests: {
default: { tier: "free", minVersion: "8.0" },
actions: {
approvals: { tier: "premium", minVersion: "10.6", notes: "MR approvals" },
},
},
browse_mr_discussions: {
default: { tier: "free", minVersion: "8.0" },
},
manage_merge_request: {
default: { tier: "free", minVersion: "8.0" },
actions: {
create: { tier: "free", minVersion: "8.0" },
update: { tier: "free", minVersion: "8.0" },
merge: { tier: "free", minVersion: "8.0" },
approve: { tier: "premium", minVersion: "10.6", notes: "MR approvals" },
unapprove: { tier: "premium", minVersion: "10.6", notes: "MR approvals" },
get_approval_state: { tier: "premium", minVersion: "13.8", notes: "MR approval state" },
},
},
manage_mr_discussion: {
default: { tier: "free", minVersion: "8.0" },
actions: {
comment: { tier: "free", minVersion: "8.0" },
thread: { tier: "free", minVersion: "11.0" },
reply: { tier: "free", minVersion: "11.0" },
update: { tier: "free", minVersion: "8.0" },
apply_suggestion: { tier: "free", minVersion: "13.0" },
apply_suggestions: { tier: "free", minVersion: "13.0" },
resolve: { tier: "free", minVersion: "10.0", notes: "Resolve discussion threads" },
suggest: { tier: "free", minVersion: "10.5", notes: "Code suggestions" },
},
},
manage_draft_notes: {
default: { tier: "free", minVersion: "13.2" },
},
// Work Items
browse_work_items: {
default: { tier: "free", minVersion: "15.0" },
},
manage_work_item: {
default: { tier: "free", minVersion: "15.0" },
},
// Labels
browse_labels: {
default: { tier: "free", minVersion: "8.0" },
},
manage_label: {
default: { tier: "free", minVersion: "8.0" },
},
// Wiki
browse_wiki: {
default: { tier: "free", minVersion: "9.0" },
},
manage_wiki: {
default: { tier: "free", minVersion: "9.0" },
},
// Pipelines
browse_pipelines: {
default: { tier: "free", minVersion: "9.0" },
},
manage_pipeline: {
default: { tier: "free", minVersion: "9.0" },
},
manage_pipeline_job: {
default: { tier: "free", minVersion: "9.0" },
},
// Variables
browse_variables: {
default: { tier: "free", minVersion: "9.0" },
},
manage_variable: {
default: { tier: "free", minVersion: "9.0" },
},
// Milestones
browse_milestones: {
default: { tier: "free", minVersion: "8.0" },
actions: {
burndown: { tier: "premium", minVersion: "12.0", notes: "Burndown charts" },
},
},
manage_milestone: {
default: { tier: "free", minVersion: "8.0" },
},
// Files
browse_files: {
default: { tier: "free", minVersion: "8.0" },
},
manage_files: {
default: { tier: "free", minVersion: "8.0" },
},
// Snippets
browse_snippets: {
default: { tier: "free", minVersion: "8.15" },
},
manage_snippet: {
default: { tier: "free", minVersion: "8.15" },
},
// Webhooks
browse_webhooks: {
default: { tier: "free", minVersion: "8.0", notes: "Project webhooks" },
},
manage_webhook: {
default: { tier: "free", minVersion: "8.0", notes: "Project webhooks" },
actions: {
create_group: { tier: "premium", minVersion: "10.4", notes: "Group webhooks" },
update_group: { tier: "premium", minVersion: "10.4", notes: "Group webhooks" },
delete_group: { tier: "premium", minVersion: "10.4", notes: "Group webhooks" },
},
},
// Integrations
browse_integrations: {
default: { tier: "free", minVersion: "8.0" },
},
manage_integration: {
default: { tier: "free", minVersion: "8.0" },
},
// Todos
manage_todos: {
default: { tier: "free", minVersion: "8.0" },
},
// Releases
browse_releases: {
default: { tier: "free", minVersion: "11.7" },
},
manage_release: {
default: { tier: "free", minVersion: "11.7" },
},
// Refs (branches and tags)
browse_refs: {
default: { tier: "free", minVersion: "8.0" },
actions: {
list_branches: { tier: "free", minVersion: "8.0" },
get_branch: { tier: "free", minVersion: "8.0" },
list_tags: { tier: "free", minVersion: "8.0" },
get_tag: { tier: "free", minVersion: "8.0" },
list_protected_branches: { tier: "free", minVersion: "8.11" },
get_protected_branch: { tier: "free", minVersion: "8.11" },
list_protected_tags: { tier: "premium", minVersion: "11.3", notes: "Protected tags" },
},
},
manage_ref: {
default: { tier: "free", minVersion: "8.0" },
actions: {
create_branch: { tier: "free", minVersion: "8.0" },
delete_branch: { tier: "free", minVersion: "8.0" },
protect_branch: { tier: "free", minVersion: "8.11" },
unprotect_branch: { tier: "free", minVersion: "8.11" },
update_branch_protection: {
tier: "free",
minVersion: "11.9",
notes: "PATCH endpoint; code owners require Premium",
},
create_tag: { tier: "free", minVersion: "8.0" },
delete_tag: { tier: "free", minVersion: "8.0" },
protect_tag: { tier: "premium", minVersion: "11.3", notes: "Protected tags" },
unprotect_tag: { tier: "premium", minVersion: "11.3", notes: "Protected tags" },
},
},
// Members (team management)
browse_members: {
default: { tier: "free", minVersion: "8.0" },
actions: {
list_project: { tier: "free", minVersion: "8.0" },
list_group: { tier: "free", minVersion: "8.0" },
get_project: { tier: "free", minVersion: "8.0" },
get_group: { tier: "free", minVersion: "8.0" },
list_all_project: { tier: "free", minVersion: "12.4", notes: "Includes inherited members" },
list_all_group: { tier: "free", minVersion: "12.4", notes: "Includes inherited members" },
},
},
manage_member: {
default: { tier: "free", minVersion: "8.0" },
actions: {
add_to_project: { tier: "free", minVersion: "8.0" },
add_to_group: { tier: "free", minVersion: "8.0" },
remove_from_project: { tier: "free", minVersion: "8.0" },
remove_from_group: { tier: "free", minVersion: "8.0" },
update_project: { tier: "free", minVersion: "8.0" },
update_group: {
tier: "free",
minVersion: "8.0",
notes: "member_role_id requires Ultimate",
},
},
},
// Search (read-only)
browse_search: {
default: { tier: "free", minVersion: "8.0" },
actions: {
global: { tier: "free", minVersion: "8.0", notes: "Global search across GitLab instance" },
project: { tier: "free", minVersion: "8.0", notes: "Project-scoped search" },
group: { tier: "free", minVersion: "10.5", notes: "Group-scoped search" },
},
},
};
// ============================================================================
// Per-Parameter Tier Requirements
// ============================================================================
/**
* Parameter-level requirements for tools with tier-gated parameters.
* Parameters listed here will be stripped from the JSON Schema when the
* detected instance tier/version is insufficient.
*/
private static parameterRequirements: Record<string, Record<string, ParameterRequirement>> = {
manage_work_item: {
weight: { tier: "premium", minVersion: "15.0", notes: "Work item weight widget" },
iterationId: { tier: "premium", minVersion: "15.0", notes: "Iteration widget" },
healthStatus: { tier: "ultimate", minVersion: "15.0", notes: "Health status widget" },
},
};
/**
* Get list of parameter names that should be REMOVED from the schema
* for the current instance tier and version.
*
* @param toolName - Tool name to check parameter requirements for
* @returns Array of parameter names that should be stripped from the schema
*/
public static getRestrictedParameters(
toolName: string,
cachedInstanceInfo?: { tier: GitLabTier; version: string }
): string[] {
const paramReqs = this.parameterRequirements[toolName];
if (!paramReqs) return [];
let instanceTier: GitLabTier;
let instanceVersion: number;
let rawVersion: string;
if (cachedInstanceInfo) {
instanceTier = cachedInstanceInfo.tier;
rawVersion = cachedInstanceInfo.version;
instanceVersion = parseVersion(rawVersion);
} else {
const connectionManager = ConnectionManager.getInstance();
try {
const instanceInfo = connectionManager.getInstanceInfo();
instanceTier = instanceInfo.tier;
rawVersion = instanceInfo.version;
instanceVersion = parseVersion(rawVersion);
} catch {
// Connection not initialized - don't restrict anything
return [];
}
}
const restricted: string[] = [];
const actualTierLevel = this.TIER_ORDER[instanceTier] ?? 0;
for (const [paramName, req] of Object.entries(paramReqs)) {
const requiredTierLevel = this.TIER_ORDER[req.tier] ?? 0;
const requiredVersion = parseVersion(req.minVersion);
// Parameter is restricted if tier is insufficient OR version is too low
if (actualTierLevel < requiredTierLevel || instanceVersion < requiredVersion) {
restricted.push(paramName);
}
}
if (restricted.length > 0) {
logDebug("Tool restricted parameters", {
toolName,
tier: instanceTier,
version: rawVersion,
restricted: restricted.join(", "),
});
}
return restricted;
}
/**
* Get requirement for a tool, optionally with action
*/
public static getActionRequirement(
toolName: string,
action?: string
): ActionRequirement | undefined {
const toolReq = this.actionRequirements[toolName];
if (!toolReq) return undefined;
// If action specified, check action-specific requirement first
if (action && toolReq.actions?.[action]) {
return toolReq.actions[action];
}
return toolReq.default;
}
/**
* Get the highest tier required by any action of a tool
*/
public static getHighestTier(toolName: string): "free" | "premium" | "ultimate" {
const toolReq = this.actionRequirements[toolName];
if (!toolReq) return "free";
let highest = toolReq.default.tier;
if (toolReq.actions) {
for (const actionReq of Object.values(toolReq.actions)) {
Eif (this.TIER_ORDER[actionReq.tier] > this.TIER_ORDER[highest]) {
highest = actionReq.tier;
}
}
}
return highest;
}
/**
* Get all actions that require a specific tier or higher
*/
public static getTierRestrictedActions(toolName: string, tier: "premium" | "ultimate"): string[] {
const toolReq = this.actionRequirements[toolName];
if (!toolReq?.actions) return [];
const minLevel = this.TIER_ORDER[tier];
return Object.entries(toolReq.actions)
.filter(([, req]) => this.TIER_ORDER[req.tier] >= minLevel)
.map(([action]) => action);
}
public static isToolAvailable(toolName: string, action?: string): boolean {
const connectionManager = ConnectionManager.getInstance();
// Add null check as extra safety
if (!connectionManager) {
logDebug("Tool availability check: ConnectionManager instance is null", { toolName });
return false;
}
try {
const instanceInfo = connectionManager.getInstanceInfo();
const actionReq = this.getActionRequirement(toolName, action);
if (actionReq) {
const version = parseVersion(instanceInfo.version);
if (version < parseVersion(actionReq.minVersion)) {
return false;
}
return this.isTierSufficient(instanceInfo.tier, actionReq.tier);
}
// Tool not found in requirements - unknown tool
logDebug("Tool not found in requirements database", { toolName });
return parseVersion(instanceInfo.version) >= parseVersion("15.0");
} catch (error) {
const errorMessage = error instanceof Error ? error.message : String(error);
// In OAuth mode, introspection is deferred until first authenticated request.
// Allow all tools initially - they'll be properly filtered on actual use.
if (errorMessage.includes("Connection not initialized")) {
logDebug("Tool availability check: instance info not available yet, allowing", {
toolName,
});
return true;
}
logWarn("Failed to check tool availability", { toolName, error: errorMessage });
return false;
}
}
public static getAvailableTools(): string[] {
return Object.keys(this.actionRequirements).filter(tool => this.isToolAvailable(tool));
}
public static getToolRequirement(toolName: string, action?: string): ToolRequirement | undefined {
const actionReq = this.getActionRequirement(toolName, action);
if (actionReq) {
return {
minVersion: actionReq.minVersion,
requiredTier: actionReq.tier,
notes: actionReq.notes,
};
}
return undefined;
}
public static getUnavailableReason(toolName: string, action?: string): string | null {
const connectionManager = ConnectionManager.getInstance();
try {
const instanceInfo = connectionManager.getInstanceInfo();
const actionReq = this.getActionRequirement(toolName, action);
if (!actionReq) {
return `Tool '${toolName}' is not recognized`;
}
const version = parseVersion(instanceInfo.version);
if (version < parseVersion(actionReq.minVersion)) {
return `Requires GitLab ${actionReq.minVersion}+, current version is ${instanceInfo.version}`;
}
if (!this.isTierSufficient(instanceInfo.tier, actionReq.tier)) {
return `Requires GitLab ${actionReq.tier} tier or higher, current tier is ${instanceInfo.tier}`;
}
return null; // Tool is available
} catch {
return "GitLab connection not initialized";
}
}
private static isTierSufficient(
actualTier: GitLabTier,
requiredTier: "free" | "premium" | "ultimate"
): boolean {
const tierHierarchy: Record<string, number> = {
free: 0,
premium: 1,
ultimate: 2,
};
const actualLevel = tierHierarchy[actualTier] ?? 0;
const requiredLevel = tierHierarchy[requiredTier] ?? 0;
return actualLevel >= requiredLevel;
}
public static filterToolsByAvailability(tools: string[]): string[] {
return tools.filter(tool => this.isToolAvailable(tool));
}
public static getToolsByTier(tier: "free" | "premium" | "ultimate"): string[] {
return Object.entries(this.actionRequirements)
.filter(([, req]) => req.default.tier === tier)
.map(([toolName]) => toolName);
}
public static getToolsByMinVersion(minVersion: string): string[] {
const minVer = parseVersion(minVersion);
return Object.entries(this.actionRequirements)
.filter(([, req]) => parseVersion(req.default.minVersion) >= minVer)
.map(([toolName]) => toolName);
}
}
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