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🔧 feat: Initial MCP Support (Tools) (#5015)

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* 📝 chore: Add comment to clarify purpose of check_updates.sh script

* feat: mcp package

* feat: add librechat-mcp package and update dependencies

* feat: refactor MCPConnectionSingleton to handle transport initialization and connection management

* feat: change private methods to public in MCPConnectionSingleton for improved accessibility

* feat: filesystem demo

* chore: everything demo and move everything under mcp workspace

* chore: move ts-node to mcp workspace

* feat: mcp examples

* feat: working sse MCP example

* refactor: rename MCPConnectionSingleton to MCPConnection for clarity

* refactor: replace MCPConnectionSingleton with MCPConnection for consistency

* refactor: manager/connections

* refactor: update MCPConnection to use type definitions from mcp types

* refactor: update MCPManager to use winston logger and enhance server initialization

* refactor: share logger between connections and manager

* refactor: add schema definitions and update MCPManager to accept logger parameter

* feat: map available MCP tools

* feat: load manifest tools

* feat: add MCP tools delimiter constant and update plugin key generation

* feat: call MCP tools

* feat: update librechat-data-provider version to 0.7.63 and enhance StdioOptionsSchema with additional properties

* refactor: simplify typing

* chore: update types/packages

* feat: MCP Tool Content parsing

* chore: update dependencies and improve package configurations

* feat: add 'mcp' directory to package and update configurations

* refactor: return CONTENT_AND_ARTIFACT format for MCP callTool

* chore: bump @librechat/agents

* WIP: MCP artifacts

* chore: bump @librechat/agents to v1.8.7

* fix: ensure filename has extension when saving base64 image

* fix: move base64 buffer conversion before filename extension check

* chore: update backend review workflow to install MCP package

* fix: use correct `mime` method

* fix: enhance file metadata with message and tool call IDs in image saving process

* fix: refactor ToolCall component to handle MCP tool calls and improve domain extraction

* fix: update ToolItem component for default isInstalled value and improve localization in ToolSelectDialog

* fix: update ToolItem component to use consistent text color for tool description

* style: add theming to ToolSelectDialog

* fix: improve domain extraction logic in ToolCall component

* refactor: conversation item theming, fix rename UI bug, optimize props, add missing types

* feat: enhance MCP options schema with base options (iconPath to start) and make transport type optional, infer based on other option fields

* fix: improve reconnection logic with parallel init and exponential backoff and enhance transport debug logging

* refactor: improve logging format

* refactor: improve logging of available tools by displaying tool names

* refactor: improve reconnection/connection logic

* feat: add MCP package build process to Dockerfile

* feat: add fallback icon for tools without an image in ToolItem component

* feat: Assistants Support for MCP Tools

* fix(build): configure rollup to use output.dir for dynamic imports

* chore: update @librechat/agents to version 1.8.8 and add @langchain/anthropic dependency

* fix: update CONFIG_VERSION to 1.2.0
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Danny Avila 2024-12-17 13:12:57 -05:00 • committed by GitHub
parent 0a97ad3915
commit e391347b9e
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58 changed files with 4322 additions and 234 deletions
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29
api/server/services/ToolService.js
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@ -176,6 +176,7 @@ async function processRequiredActions(client, requiredActions) {
model: client.req.body.model ?? 'gpt-4o-mini',
tools,
functions: true,
endpoint: client.req.body.endpoint,
options: {
processFileURL,
req: client.req,
@ -374,22 +375,19 @@ async function processRequiredActions(client, requiredActions) {
* Processes the runtime tool calls and returns the tool classes.
* @param {Object} params - Run params containing user and request information.
* @param {ServerRequest} params.req - The request object.
* @param {string} params.agent_id - The agent ID.
* @param {Agent['tools']} params.tools - The agent's available tools.
* @param {Agent['tool_resources']} params.tool_resources - The agent's available tool resources.
* @param {Agent} params.agent - The agent to load tools for.
* @param {string | undefined} [params.openAIApiKey] - The OpenAI API key.
* @returns {Promise<{ tools?: StructuredTool[] }>} The agent tools.
*/
async function loadAgentTools({ req, agent_id, tools, tool_resources, openAIApiKey }) {
if (!tools || tools.length === 0) {
async function loadAgentTools({ req, agent, tool_resources, openAIApiKey }) {
if (!agent.tools || agent.tools.length === 0) {
return {};
}
const { loadedTools, toolContextMap } = await loadTools({
user: req.user.id,
// model: req.body.model ?? 'gpt-4o-mini',
tools,
agent,
functions: true,
isAgent: agent_id != null,
user: req.user.id,
tools: agent.tools,
options: {
req,
openAIApiKey,
@ -409,6 +407,11 @@ async function loadAgentTools({ req, agent_id, tools, tool_resources, openAIApiK
continue;
}
if (tool.mcp === true) {
agentTools.push(tool);
continue;
}
const toolDefinition = {
name: tool.name,
schema: tool.schema,
@ -434,10 +437,10 @@ async function loadAgentTools({ req, agent_id, tools, tool_resources, openAIApiK
let actionSets = [];
const ActionToolMap = {};
for (const toolName of tools) {
for (const toolName of agent.tools) {
if (!ToolMap[toolName]) {
if (!actionSets.length) {
actionSets = (await loadActionSets({ agent_id })) ?? [];
actionSets = (await loadActionSets({ agent_id: agent.id })) ?? [];
}
let actionSet = null;
@ -473,7 +476,7 @@ async function loadAgentTools({ req, agent_id, tools, tool_resources, openAIApiK
});
if (!tool) {
logger.warn(
`Invalid action: user: ${req.user.id} | agent_id: ${agent_id} | toolName: ${toolName}`,
`Invalid action: user: ${req.user.id} | agent_id: ${agent.id} | toolName: ${toolName}`,
);
throw new Error(`{"type":"${ErrorTypes.INVALID_ACTION}"}`);
}
@ -485,7 +488,7 @@ async function loadAgentTools({ req, agent_id, tools, tool_resources, openAIApiK
}
}
if (tools.length > 0 && agentTools.length === 0) {
if (agent.tools.length > 0 && agentTools.length === 0) {
throw new Error('No tools found for the specified tool calls.');
}