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🤖 feat: Agent Handoffs (Routing) (#10176)

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* feat: Add support for agent handoffs with edges in agent forms and schemas

chore: Mark `agent_ids` field as deprecated in favor of edges across various schemas and types

chore: Update dependencies for @langchain/core and @librechat/agents to latest versions

chore: Update peer dependency for @librechat/agents to version 3.0.0-rc2 in package.json

chore: Update @librechat/agents dependency to version 3.0.0-rc3 in package.json and package-lock.json

feat: first pass, multi-agent handoffs

fix: update output type to ToolMessage in memory handling functions

fix: improve type checking for graphConfig in createRun function

refactor: remove unused content filtering logic in AgentClient

chore: update @librechat/agents dependency to version 3.0.0-rc4 in package.json and package-lock.json

fix: update @langchain/core peer dependency version to ^0.3.72 in package.json and package-lock.json

fix: update @librechat/agents dependency to version 3.0.0-rc6 in package.json and package-lock.json; refactor stream rate handling in various endpoints

feat: Agent handoff UI

chore: update @librechat/agents dependency to version 3.0.0-rc8 in package.json and package-lock.json

fix: improve hasInfo condition and adjust UI element classes in AgentHandoff component

refactor: remove current fixed agent display from AgentHandoffs component due to redundancy

feat: enhance AgentHandoffs UI with localized beta label and improved layout

chore: update @librechat/agents dependency to version 3.0.0-rc10 in package.json and package-lock.json

feat: add `createSequentialChainEdges` function to add back agent chaining via multi-agents

feat: update `createSequentialChainEdges` call to only provide conversation context between agents

feat: deprecate Agent Chain functionality and update related methods for improved clarity

* chore: update @librechat/agents dependency to version 3.0.0-rc11 in package.json and package-lock.json

* refactor: remove unused addCacheControl function and related imports and import from @librechat/agents

* chore: remove unused i18n keys

* refactor: remove unused format export from index.ts

* chore: update @librechat/agents to v3.0.0-rc13

* chore: remove BEDROCK_LEGACY provider from Providers enum

* chore: update @librechat/agents to version 3.0.2 in package.json
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Danny Avila 2025-11-05 17:15:17 -05:00 • committed by GitHub
parent 958a6c7872
commit 8a4a5a4790
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41 changed files with 1108 additions and 3810 deletions
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116
api/server/services/Endpoints/agents/initialize.js
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@ -1,6 +1,10 @@
const { logger } = require('@librechat/data-schemas');
const { createContentAggregator } = require('@librechat/agents');
const { validateAgentModel, getCustomEndpointConfig } = require('@librechat/api');
const {
validateAgentModel,
getCustomEndpointConfig,
createSequentialChainEdges,
} = require('@librechat/api');
const {
Constants,
EModelEndpoint,
@ -119,44 +123,90 @@ const initializeClient = async ({ req, res, signal, endpointOption }) => {
const agent_ids = primaryConfig.agent_ids;
let userMCPAuthMap = primaryConfig.userMCPAuthMap;
if (agent_ids?.length) {
for (const agentId of agent_ids) {
const agent = await getAgent({ id: agentId });
if (!agent) {
throw new Error(`Agent ${agentId} not found`);
async function processAgent(agentId) {
const agent = await getAgent({ id: agentId });
if (!agent) {
throw new Error(`Agent ${agentId} not found`);
}
const validationResult = await validateAgentModel({
req,
res,
agent,
modelsConfig,
logViolation,
});
if (!validationResult.isValid) {
throw new Error(validationResult.error?.message);
}
const config = await initializeAgent({
req,
res,
agent,
loadTools,
requestFiles,
conversationId,
endpointOption,
allowedProviders,
});
if (userMCPAuthMap != null) {
Object.assign(userMCPAuthMap, config.userMCPAuthMap ?? {});
} else {
userMCPAuthMap = config.userMCPAuthMap;
}
agentConfigs.set(agentId, config);
}
let edges = primaryConfig.edges;
const checkAgentInit = (agentId) => agentId === primaryConfig.id || agentConfigs.has(agentId);
if ((edges?.length ?? 0) > 0) {
for (const edge of edges) {
if (Array.isArray(edge.to)) {
for (const to of edge.to) {
if (checkAgentInit(to)) {
continue;
}
await processAgent(to);
}
} else if (typeof edge.to === 'string' && checkAgentInit(edge.to)) {
continue;
} else if (typeof edge.to === 'string') {
await processAgent(edge.to);
}
const validationResult = await validateAgentModel({
req,
res,
agent,
modelsConfig,
logViolation,
});
if (!validationResult.isValid) {
throw new Error(validationResult.error?.message);
if (Array.isArray(edge.from)) {
for (const from of edge.from) {
if (checkAgentInit(from)) {
continue;
}
await processAgent(from);
}
} else if (typeof edge.from === 'string' && checkAgentInit(edge.from)) {
continue;
} else if (typeof edge.from === 'string') {
await processAgent(edge.from);
}
const config = await initializeAgent({
req,
res,
agent,
loadTools,
requestFiles,
conversationId,
endpointOption,
allowedProviders,
});
if (userMCPAuthMap != null) {
Object.assign(userMCPAuthMap, config.userMCPAuthMap ?? {});
} else {
userMCPAuthMap = config.userMCPAuthMap;
}
agentConfigs.set(agentId, config);
}
}
/** @deprecated Agent Chain */
if (agent_ids?.length) {
for (const agentId of agent_ids) {
if (checkAgentInit(agentId)) {
continue;
}
await processAgent(agentId);
}
const chain = await createSequentialChainEdges([primaryConfig.id].concat(agent_ids), '{convo}');
edges = edges ? edges.concat(chain) : chain;
}
primaryConfig.edges = edges;
let endpointConfig = appConfig.endpoints?.[primaryConfig.endpoint];
if (!isAgentsEndpoint(primaryConfig.endpoint) && !endpointConfig) {
try {