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Bitbucket MCP Integration for LangGraph

Connect Bitbucket to LangGraph through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

15 functions 9 read 6 write API key auth
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Connect Bitbucket to LangGraph

Run KosmoKrator integration calls from LangGraph nodes while preserving local credentials and permissions.

Use a graph node that calls the KosmoKrator CLI for deterministic steps or an MCP client for dynamic tool selection. The gateway is local, scoped to this integration, and starts with --write=deny so LangGraph can inspect read-capable tools without receiving write access by default.

Bitbucket MCP Config for LangGraph

Headless CLI calls fit repeatable graph edges; MCP fits exploratory agent nodes.

{
  "mcpServers": {
    "kosmokrator-bitbucket": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=bitbucket",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=bitbucket --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Bitbucket instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

Bitbucket Tools Visible to LangGraph

LangGraph sees stable MCP tool names generated from the Bitbucket integration catalog.

MCP toolSource functionTypeDescription
integration__bitbucket__bitbucket_list_repos bitbucket.bitbucket_list_repos Read List repositories in a Bitbucket workspace. Supports sorting and pagination.
integration__bitbucket__bitbucket_get_repo bitbucket.bitbucket_get_repo Read Get details for a specific Bitbucket repository by workspace and repo slug.
integration__bitbucket__bitbucket_create_repo bitbucket.bitbucket_create_repo Write Create a new repository in a Bitbucket workspace. Optionally set description, visibility, and language.
integration__bitbucket__bitbucket_list_issues bitbucket.bitbucket_list_issues Read List issues in a Bitbucket repository. Supports filtering by state, kind, and priority.
integration__bitbucket__bitbucket_get_issue bitbucket.bitbucket_get_issue Read Get details for a specific issue in a Bitbucket repository.
integration__bitbucket__bitbucket_create_issue bitbucket.bitbucket_create_issue Write Create a new issue in a Bitbucket repository. Requires a title; optionally set content, kind, priority, and assignee.
integration__bitbucket__bitbucket_update_issue bitbucket.bitbucket_update_issue Write Update an existing issue in a Bitbucket repository. Can change title, content, state, priority, and assignee.
integration__bitbucket__bitbucket_list_pull_requests bitbucket.bitbucket_list_pull_requests Read List pull requests in a Bitbucket repository. Supports filtering by state and pagination.
integration__bitbucket__bitbucket_get_pull_request bitbucket.bitbucket_get_pull_request Read Get details for a specific pull request in a Bitbucket repository.
integration__bitbucket__bitbucket_create_pull_request bitbucket.bitbucket_create_pull_request Write Create a new pull request in a Bitbucket repository. Requires a title, source branch, and destination branch.
integration__bitbucket__bitbucket_merge_pull_request bitbucket.bitbucket_merge_pull_request Write Merge a Bitbucket pull request. Optionally provide a merge commit message.
integration__bitbucket__bitbucket_list_branches bitbucket.bitbucket_list_branches Read List branches in a Bitbucket repository. Supports pagination.
integration__bitbucket__bitbucket_create_branch bitbucket.bitbucket_create_branch Write Create a new branch in a Bitbucket repository. Requires a branch name and the target commit hash.
integration__bitbucket__bitbucket_list_commits bitbucket.bitbucket_list_commits Read List commits in a Bitbucket repository. Supports filtering by revision and path.
integration__bitbucket__bitbucket_get_file bitbucket.bitbucket_get_file Read Get the raw content of a file from a Bitbucket repository at a specific revision.

Related Bitbucket Pages

Bitbucket CLIUse direct JSON commands instead of MCP discovery. Bitbucket MCPFull gateway reference and MCP tool names. KosmoKrator for LangGraphClient-level gateway setup.