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reCAPTCHA MCP Integration for LangGraph

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

7 functions 6 read 1 write No credentials auth
Submit reCAPTCHA feedback View package source

Connect reCAPTCHA 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.

reCAPTCHA MCP Config for LangGraph

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

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

Run the Gateway Manually

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

Why Use KosmoKrator Here

Scoped tools

Expose only reCAPTCHA 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.

reCAPTCHA Tools Visible to LangGraph

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

MCP toolSource functionTypeDescription
integration__recaptcha__recaptcha_list_assessments recaptcha.recaptcha_list_assessments Read List reCAPTCHA Enterprise assessments for a Google Cloud project. Returns assessment names, scores, token properties, and event details. Supports pagination with page size and page token.
integration__recaptcha__recaptcha_get_assessment recaptcha.recaptcha_get_assessment Read Get a single reCAPTCHA Enterprise assessment by its full resource name. Returns the score, token properties, event details, and risk analysis.
integration__recaptcha__recaptcha_create_assessment recaptcha.recaptcha_create_assessment Write Create a reCAPTCHA Enterprise assessment to evaluate a reCAPTCHA token. Provide the project parent, the token to evaluate, and the site key. Returns score, token validity, and action verification.
integration__recaptcha__recaptcha_list_keys recaptcha.recaptcha_list_keys Read List reCAPTCHA Enterprise site keys for a Google Cloud project. Returns key names, display names, web settings, and integration type. Supports pagination.
integration__recaptcha__recaptcha_get_key recaptcha.recaptcha_get_key Read Get a reCAPTCHA Enterprise site key by its full resource name. Returns the key configuration including web, Android, and iOS settings.
integration__recaptcha__recaptcha_list_annotations recaptcha.recaptcha_list_annotations Read List annotations for a reCAPTCHA Enterprise assessment. Annotations provide feedback on assessment results (LEGITIMATE, FRAUDULENT, etc.) to improve model accuracy. Supports pagination.
integration__recaptcha__recaptcha_get_current_user recaptcha.recaptcha_get_current_user Read Get information about the current reCAPTCHA Enterprise API access. Returns the list of accessible projects to verify connectivity.

Related reCAPTCHA Pages

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