QuantConnect MCP Server

The QuantConnect MCP Server is a bridge for AIs (such as Claude and OpenAI o3 Pro) to interact with our cloud platform. When equipped with our MCP, the AI can perform tasks on your behalf through our API such as updating projects, writing strategies, backtesting, and deploying strategies to production live-trading.

Our implementation is tested and dockerized for easy cross-platform deployment.

Getting Started

To connect local MCP clients (like Claude Desktop) to the QC MCP Server, follow these steps:

Install and open Docker Desktop.
Install and open Claude Desktop.
In Claude Desktop, click File > Settings > Developer > Edit Config.
Edit the claude_desktop_config.json file to include the following quantconnect configuration:

{ "mcpServers": { "quantconnect": { "command": "docker", "args": [ "run", "-i", "--rm", "-e", "QUANTCONNECT_USER_ID", "-e", "QUANTCONNECT_API_TOKEN", "-e", "AGENT_NAME", "--platform", "<your_platform>", "--name", "quantconnect-mcp-server", "quantconnect/mcp-server" ], "env": { "QUANTCONNECT_USER_ID": "<your_user_id>", "QUANTCONNECT_API_TOKEN": "<your_api_token>", "AGENT_NAME": "MCP Server" } } } }

To get your user Id and API token, see Request API Token.

Our MCP server is multi-platform capable. The options are linux/amd64 for Intel/AMD chips and linux/arm64 for ARM chips (for example, Apple's M-series chips).

If you simultaneously run multiple agents, set a unique value for the AGENT_NAME environment variable for each agent to keep record of the request source.

Restart Claude Desktop.
Claude Desktop automatically pulls our MCP server from Docker Hub and connects to it.

To view all the MCP clients and the features they support, see the Feature Support Matrix in the MCP documentation.

To keep the Docker image up-to-date, pull the latest MCP server from Docker Hub in the terminal.

docker pull quantconnect/mcp-server

If you have an ARM chip, add the --platform linux/arm64 option.

Available Tools (60)

Tools provided by this Server	Short Description
`read_account`	Read the organization account status.
`create_project`	Create a new project in your default organization.
`read_project`	List the details of a project.
`list_projects`	List the details of all projects.
`update_project`	Update a project's name or description.
`delete_project`	Delete a project.
`create_project_collaborator`	Add a collaborator to a project.
`read_project_collaborators`	List all collaborators on a project.
`update_project_collaborator`	Update collaborator information in a project.
`delete_project_collaborator`	Remove a collaborator from a project.
`read_project_nodes`	Read the available and selected nodes of a project.
`update_project_nodes`	Update the active state of the given nodes to true.
`create_compile`	Asynchronously create a compile job request for a project.
`read_compile`	Read a compile packet job result.
`create_file`	Add a file to a given project.
`read_file`	Read a file from a project, or all files in the project if no file name is provided.
`update_file_name`	Update the name of a file.
`update_file_contents`	Update the contents of a file.
`delete_file`	Delete a file in a project.
`create_backtest`	Create a new backtest request and get the backtest Id.
`read_backtest`	Read the results of a backtest.
`list_backtests`	List all the backtests for the project.
`read_backtest_chart`	Read a chart from a backtest.
`read_backtest_orders`	Read out the orders of a backtest.
`read_backtest_insights`	Read out the insights of a backtest.
`update_backtest`	Update the name or note of a backtest.
`delete_backtest`	Delete a backtest from a project.
`estimate_optimization_time`	Estimate the execution time of an optimization with the specified parameters.
`create_optimization`	Create an optimization with the specified parameters.
`read_optimization`	Read an optimization.
`list_optimizations`	List all the optimizations for a project.
`update_optimization`	Update the name of an optimization.
`abort_optimization`	Abort an optimization.
`delete_optimization`	Delete an optimization.
`authorize_connection`	Authorize an external connection with a live brokerage or data provider.
`create_live_algorithm`	Create a live algorithm.
`read_live_algorithm`	Read details of a live algorithm.
`list_live_algorithms`	List all your past and current live trading deployments.
`read_live_chart`	Read a chart from a live algorithm.
`read_live_logs`	Get the logs of a live algorithm.
`read_live_portfolio`	Read out the portfolio state of a live algorithm.
`read_live_orders`	Read out the orders of a live algorithm.
`read_live_insights`	Read out the insights of a live algorithm.
`stop_live_algorithm`	Stop a live algorithm.
`liquidate_live_algorithm`	Liquidate and stop a live algorithm.
`create_live_command`	Send a command to a live trading algorithm.
`broadcast_live_command`	Broadcast a live command to all live algorithms in an organization.
`upload_object`	Upload files to the Object Store.
`read_object_properties`	Get Object Store properties of a specific organization and key.
`read_object_store_file_job_id`	Create a job to download files from the Object Store and then read the job Id.
`read_object_store_file_download_url`	Get the URL for downloading files from the Object Store.
`list_object_store_files`	List the Object Store files under a specific directory in an organization.
`delete_object`	Delete the Object Store file of a specific organization and key.
`read_lean_versions`	Returns a list of LEAN versions with basic information for each version.
`check_initialization_errors`	Run a backtest for a few seconds to initialize the algorithm and get initialization errors if any.
`complete_code`	Show the code completion for a specific text input.
`enhance_error_message`	Show additional context and suggestions for error messages.
`update_code_to_pep8`	Update Python code to follow PEP8 style.
`check_syntax`	Check the syntax of a code.
`search_quantconnect`	Search for content in QuantConnect.

Tool Details

Tool: read_account

Read the organization account status.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: create_project

Create a new project in your default organization.

Parameter	Type	Description
`name`	`string`	Project name.
`language`	`string`	Programming language to use.
`organizationId`	`string` optional	The organization to create project under. If you don't provide a value, it defaults to your preferred organization.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_project

List the details of a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project. If not provided the API will return a details list of all projects.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: list_projects

List the details of all projects.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_project

Update a project's name or description.

Parameter	Type	Description
`projectId`	`integer`	Project Id to which the file belongs.
`name`	`string` optional	The new name for the project.
`description`	`string` optional	The new description for the project.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: delete_project

Delete a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to delete.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: create_project_collaborator

Add a collaborator to a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to add the collaborator to.
`collaboratorUserId`	`string`	User Id of the collaborator to add.
`collaborationLiveControl`	`boolean`	Gives the right to deploy and stop live algorithms.
`collaborationWrite`	`boolean`	Gives the right to edit the code.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: read_project_collaborators

List all collaborators on a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project from which to read the collaborators.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_project_collaborator

Update collaborator information in a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project the collaborator is on.
`collaboratorUserId`	`string`	User Id of the collaborator to update.
`liveControl`	`boolean`	Gives the right to deploy and stop live algorithms.
`write`	`boolean`	Gives the right to edit the code.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: delete_project_collaborator

Remove a collaborator from a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to remove the collaborator from.
`collaboratorId`	`string`	User Id of the collaborator to remove.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: read_project_nodes

Read the available and selected nodes of a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to which the nodes refer.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_project_nodes

Update the active state of the given nodes to true.

Parameter

Type

Description

projectId

integer

Project Id to which the nodes refer.

nodes

array

optional

List of node Ids the project may use. If you omit this property or pass an empty list, the best node will be automatically selected for backtest, research, and live trading.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: create_compile

Asynchronously create a compile job request for a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to compile.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_compile

Read a compile packet job result.

Parameter	Type	Description
`projectId`	`integer`	Id of the project you requested to compile.
`compileId`	`string`	Compile Id returned during the creation request.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: create_file

Add a file to a given project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to add the file.
`name`	`string`	The name of the new file.
`content`	`string` optional	The content of the new file.
`codeSourceId`	`string` optional	Name of the environment that's creating the request.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: read_file

Read a file from a project, or all files in the project if no file name is provided.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the file.
`name`	`string` optional	The name of the file to read.
`codeSourceId`	`string` optional	Name of the environment that's creating the request.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_file_name

Update the name of a file.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the file.
`name`	`string`	The current name of the file.
`newName`	`string`	The new name for the file.
`codeSourceId`	`string` optional	Name of the environment that's creating the request.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: update_file_contents

Update the contents of a file.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the file.
`name`	`string`	The name of the file to update.
`content`	`string`	The new contents of the file.
`codeSourceId`	`string` optional	Name of the environment that's creating the request.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: delete_file

Delete a file in a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the file.
`name`	`string`	The name of the file to delete.
`codeSourceId`	`string` optional	Name of the environment that's creating the request.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: create_backtest

Create a new backtest request and get the backtest Id.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to backtest.
`compileId`	`string`	Compile Id for the project to backtest.
`backtestName`	`string`	Name for the new backtest.
`parameters`	`object` optional	Parameters to use for the backtest.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_backtest

Read the results of a backtest.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the backtest.
`backtestId`	`string`	Id of the backtest to read.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: list_backtests

List all the backtests for the project.

Parameter

Type

Description

projectId

integer

Id of the project from which to read one or multiple backtests.

includeStatistics

boolean

optional

If true, the backtests summaries from the response will contain the statistics with their corresponding values.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: read_backtest_chart

Read a chart from a backtest.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the backtest.
`backtestId`	`string`	Id of the backtest for this chart request.
`name`	`string`	The requested chart name.
`count`	`integer`	The number of data points to request.
`start`	`integer`	The start timestamp of the request in Unix time.
`end`	`integer`	The end timestamp of the request in Unix time.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: read_backtest_orders

Read out the orders of a backtest.

Parameter	Type	Description
`start`	`integer`	Starting index of the orders to be fetched.
`end`	`integer`	Last index of the orders to be fetched. Note that end - start must be less than 100.
`projectId`	`integer`	Id of the project from which to read the backtest.
`backtestId`	`string`	Id of the backtest from which to read the orders.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: read_backtest_insights

Read out the insights of a backtest.

Parameter	Type	Description
`start`	`integer`	Starting index of the insights to be fetched.
`end`	`integer`	Last index of the insights to be fetched. Note that end - start must be less than 100.
`projectId`	`integer`	Id of the project from which to read the backtest.
`backtestId`	`string`	Id of the backtest from which to read the insights.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_backtest

Update the name or note of a backtest.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the backtest.
`backtestId`	`string`	Id of the backtest to update.
`name`	`string` optional	Name to assign to the backtest.
`note`	`string` optional	Note to attach to the backtest.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: delete_backtest

Delete a backtest from a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that contains the backtest.
`backtestId`	`string`	Id of the backtest to delete.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: estimate_optimization_time

Estimate the execution time of an optimization with the specified parameters.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to optimize.
`name`	`string`	Name of the optimization.
`target`	`string`	Target statistic of the optimization to minimize or maximize.
`targetTo`	`string`	Target extremum of the optimization.
`targetValue`	`number` optional	Desired value for the optimization target statistic.
`strategy`	`string`	Optimization strategy.
`compileId`	`string` optional	Optimization compile Id.
`parameters`	`array`	Optimization parameters.
`constraints`	`array` optional	Optimization constraints.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: create_optimization

Create an optimization with the specified parameters.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to optimize.
`name`	`string`	Name of the optimization.
`target`	`string`	Target statistic of the optimization to minimize or maximize.
`targetTo`	`string`	Target extremum of the optimization.
`targetValue`	`number` optional	Desired value for the optimization target statistic.
`strategy`	`string`	Optimization strategy.
`compileId`	`string`	Optimization compile Id.
`parameters`	`array`	Optimization parameters.
`constraints`	`array` optional	Optimization constraints.
`estimatedCost`	`number`	Estimated cost for optimization.
`nodeType`	`string`	Optimization node type.
`parallelNodes`	`integer`	Number of parallel nodes for optimization.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_optimization

Read an optimization.

Parameter	Type	Description
`optimizationId`	`string`	Id of the optimization to read.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: list_optimizations

List all the optimizations for a project.

Parameter	Type	Description
`projectId`	`integer`	Id of the Project to get a list of optimizations for.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_optimization

Update the name of an optimization.

Parameter	Type	Description
`optimizationId`	`string`	Id of the optimization to update.
`name`	`string`	Name to assign to the optimization.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: abort_optimization

Abort an optimization.

Parameter	Type	Description
`optimizationId`	`string`	Id of the optimization to abort.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: delete_optimization

Delete an optimization.

Parameter	Type	Description
`optimizationId`	`string`	Id of the optimization to delete.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: authorize_connection

Authorize an external connection with a live brokerage or data provider.

Parameter	Type	Description
`brokerage`	`string`	The brokerage to authenticate a connection with.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: create_live_algorithm

Create a live algorithm.

Parameter	Type	Description
`versionId`	`string`	The version of the Lean used to run the algorithm. -1 is master, however, sometimes this can create problems with live deployments. If you experience problems using, try specifying the version of Lean you would like to use.
`projectId`	`integer`	Project Id.
`compileId`	`string`	Compile Id.
`nodeId`	`string`	Id of the node that will run the algorithm.
`brokerage`	`brokerage enum`	Brokerage configuration for the live algorithm.
`dataProviders`	`dataProvider(s)` optional	Dictionary of data provider configurations to be used in the live algorithm. Provide at least one. The order in which you define the providers defines their order of precedence.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_live_algorithm

Read details of a live algorithm.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to read.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: list_live_algorithms

List all your past and current live trading deployments.

Parameter

Type

Description

status

status enum

optional

Status of the live algorithms to include in the response.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_live_chart

Read a chart from a live algorithm.

Parameter	Type	Description
`projectId`	`integer`	Id of the project that's live trading.
`name`	`string`	Name of the chart to read.
`count`	`integer`	The number of data points to request.
`start`	`integer`	The unix start time of the request.
`end`	`integer`	The unix end time of the request.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_live_logs

Get the logs of a live algorithm.

Parameter	Type	Description
`format`	`` optional	Format of the log results.
`projectId`	`integer`	Id of the project that contains the live running algorithm.
`algorithmId`	`string`	Deploy Id (Algorithm Id) of the live running algorithm.
`startLine`	`integer`	Start line (inclusive) of logs to read. The lines numbers start at 0.
`endLine`	`integer`	End line (exclusive) of logs to read, where endLine - startLine <= 250.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_live_portfolio

Read out the portfolio state of a live algorithm.

Parameter	Type	Description
`projectId`	`integer`	Id of the project from which to read the live algorithm.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_live_orders

Read out the orders of a live algorithm.

Parameter	Type	Description
`start`	`integer` optional	Starting index of the orders to be fetched. Required if end > 1,000.
`end`	`integer`	Last index of the orders to be fetched. Note that end - start must be less than 1,000.
`projectId`	`integer`	Id of the project from which to read the live algorithm.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_live_insights

Read out the insights of a live algorithm.

Parameter	Type	Description
`start`	`integer` optional	Starting index of the insights to be fetched. Required if end > 100.
`end`	`integer`	Last index of the insights to be fetched. Note that end - start must be less than 100.
`projectId`	`integer`	Id of the project from which to read the live algorithm.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: stop_live_algorithm

Stop a live algorithm.

Parameter	Type	Description
`projectId`	`integer`	Id of the project to stop trading live.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: liquidate_live_algorithm

Liquidate and stop a live algorithm.

Parameter	Type	Description
`projectId`	`integer`	Project Id for the live instance to liquidate.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: create_live_command

Send a command to a live trading algorithm.

Parameter	Type	Description
`projectId`	`integer`	Project for the live instance we want to run the command against.
`command`	`object`	The command to run.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: broadcast_live_command

Broadcast a live command to all live algorithms in an organization.

Parameter	Type	Description
`organizationId`	`string`	Organization Id of the projects we would like to broadcast the command to
`excludeProjectId`	`integer` optional	Project for the live instance we want to exclude from the broadcast list. If null, all projects will be included.
`command`	`object`	The command to run.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: upload_object

Upload files to the Object Store.

Parameter	Type	Description
`organizationId`	`string`	Orgainization ID.
`key`	`string`	Unique key to access the object in Object Store.
`objectData`	`string`	Object data to be stored.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: read_object_properties

Get Object Store properties of a specific organization and key.

Parameter	Type	Description
`organizationId`	`string`	Id of the organization that owns the Object Store.
`key`	`string`	Key in the Object Store.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: read_object_store_file_job_id

Create a job to download files from the Object Store and then read the job Id.

Parameter	Type	Description
`organizationId`	`string`	Id of the organization that owns the Object Store.
`keys`	`array`	Keys of the Object Store files.

This tool modifies it's environment.

This tool doesn't perform destructive updates.

Calling this tool repeatedly with the same arguments has additional effects.

This tool may interact with an "open world" of external entities.

Tool: read_object_store_file_download_url

Get the URL for downloading files from the Object Store.

Parameter	Type	Description
`organizationId`	`string`	Id of the organization that owns the Object Store.
`jobId`	`string`	Id of the download job for the files.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: list_object_store_files

List the Object Store files under a specific directory in an organization.

Parameter

Type

Description

organizationId

string

Id of the organization to list the Object Store files from.

path

string

optional

Path to a directory in the Object Store.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: delete_object

Delete the Object Store file of a specific organization and key.

Parameter	Type	Description
`organizationId`	`string`	Id of the organization that owns the Object Store.
`key`	`string`	Key of the Object Store file to delete.

This tool modifies it's environment.

This tool may perform destructive updates.

Calling this tool repeatedly with the same arguments has no additional effect.

This tool may interact with an "open world" of external entities.

Tool: read_lean_versions

Returns a list of LEAN versions with basic information for each version.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: check_initialization_errors

Run a backtest for a few seconds to initialize the algorithm and get inialization errors if any.

Parameter	Type	Description
`language`	`string`	Programming language.
`files`	`array`	Files to process.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: complete_code

Show the code completion for a specific text input.

Parameter	Type	Description
`language`	`string`	Programming language for the code completion.
`sentence`	`string`	Sentence to complete.
`responseSizeLimit`	`integer` optional	Maximum size of the responses.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: enhance_error_message

Show additional context and suggestions for error messages.

Parameter	Type	Description
`language`	`string`	Programming language for the code completion.
`error`	`object`	Error message to enhance.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: update_code_to_pep8

Update Python code to follow PEP8 style.

Parameter	Type	Description
`files`	`array`	Files of the project.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: check_syntax

Check the syntax of a code.

Parameter	Type	Description
`language`	`string`	Programming language.
`files`	`array`	Files to process.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Tool: search_quantconnect

Search for content in QuantConnect.

Parameter	Type	Description
`language`	`string`	Programming language of the content to search.
`criteria`	`array`	Criteria for the search.

This tool doesn't modify it's environment.

This tool may interact with an "open world" of external entities.

Debugging

Build

To build the Docker image from source, clone this repository and then run docker build -t quantconnect/mcp-server ..

Logs

To log to the mcp-server-quantconnect.log file, import sys and then print("Hello world", file=sys.stderr).

Inspector

To start the inspector, run npx @modelcontextprotocol/inspector uv run src/main.py. To pass a model to the inspector tool, use JSON (for example, {"name":"My Project","language":"Py"}).

Force redeploy Thu Aug 14 23:50:18 PDT 2025

This server cannot be installed

security - not tested

license - permissive license

quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Enables AI assistants to interact with the QuantConnect cloud platform for algorithmic trading. Supports creating and managing trading strategies, running backtests, deploying live algorithms, and performing comprehensive trading operations through the QuantConnect API.

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QuantConnect MCP Server

QuantConnect MCP Server

Getting Started

Available Tools (60)

Tool Details

Debugging

Build

Logs

Inspector

Force redeploy Thu Aug 14 23:50:18 PDT 2025

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