Skip to main content

The #1 agentic semantic tool search: 91.6% first-try accuracy on S1 Search Bench Explore Tool Discovery

Live 104 Actions

Bloomerang MCP Server
for AI Agents

Connect your AI agent to StackOne's Bloomerang MCP server and give it 104 MCP tools out of the box. Auth, tool execution, and security all managed.

Bloomerang logo
Bloomerang MCP Server
Built by StackOne StackOne
DrataGPLocalyzeFlipMindtoolsScreenloop

Coverage

104 Agent Actions

Create, read, update, and delete across Bloomerang — and extend your agent's capabilities with custom actions.

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your Bloomerang MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every Bloomerang tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.

Prompt Injection Defense →

Performance

Max Agent Context. Min Cost.

Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Bloomerang call.

Tools Discovery →

What is the Bloomerang MCP Server?

A Bloomerang MCP server lets AI agents read and write Bloomerang data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Bloomerang MCP server ships with 104 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, observability, and agent execution runtime. Connect it from MCP clients like Claude Desktop, Claude Code, Cursor, Goose, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.

All Bloomerang MCP Tools

Every action from Bloomerang's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

Constituents

  • List Constituents

    Retrieves a paginated list of all constituents (donors, contacts, and organizations) from the Bloomerang CRM database via GET /constituents.

  • Get Constituent

    Retrieves a single constituent record by its unique numeric ID via GET /constituent/{id}, returning the complete donor or organization profile.

  • Search Constituents

    Performs a text search across constituents and households via GET /constituents/search, matching against names and returning paginated results.

  • Update Constituent

    Updates an existing constituent record by ID via PUT /constituent/{id}, applying partial updates where only provided fields are modified.

  • Delete Constituent

    Permanently deletes a constituent record by ID via DELETE /constituent/{id}, removing the donor or organization and all associated data from the CRM.

Transactions

  • Create Transaction

    Creates a new donation transaction for a constituent via POST /transaction, recording the gift in the CRM database without initiating a payment charge unless a WalletItem is provided.

  • List Transactions

    Retrieves a paginated list of all donation transactions from the Bloomerang CRM via GET /transactions, with filters for amount range, donor, type, and transaction number.

  • Get Transaction

    Retrieves a single transaction record by its unique numeric ID via GET /transaction/{id}, returning the complete donation details including designations and payment information.

  • Update Transaction

    Updates an existing transaction record by ID via PUT /transaction/{id}, applying partial updates to donation details such as amount, date, method, and designations.

  • Delete Transaction

    Permanently deletes a transaction record by ID via DELETE /transaction/{id}, removing the donation and all associated designations from the CRM.

Designations

  • List Designations

    Retrieves a paginated list of transaction designations via GET /transactions/designations, showing how donations are allocated across funds, campaigns, and appeals.

  • Get Designation

    Retrieves a single designation record by its unique numeric ID via GET /transactions/designation/{id}, returning the complete fund/campaign/appeal allocation details.

Interactions

  • Create Interaction

    Creates a new interaction (communication touchpoint) for a constituent via POST /interaction, logging a donor engagement activity such as an email, call, or meeting.

  • List Interactions

    Retrieves a paginated list of donor interactions (touchpoints) from the Bloomerang CRM via GET /interactions, tracking all communications and engagement activities with constituents.

  • Get Interaction

    Retrieves a single interaction record by its unique numeric ID via GET /interaction/{id}, returning the complete communication touchpoint details.

  • Update Interaction

    Updates an existing interaction record by ID via PUT /interaction/{id}, applying partial updates to communication details such as channel, purpose, and notes.

  • Delete Interaction

    Permanently deletes an interaction record by ID via DELETE /interaction/{id}, removing the communication touchpoint from the constituent's timeline.

Tasks

  • Create Task

    Creates a new task (scheduled follow-up action) via POST /task, assigning a stewardship activity to a user with a due date, channel, and purpose.

  • List Tasks

    Retrieves a paginated list of tasks (scheduled follow-up actions) from the Bloomerang CRM via GET /tasks, with filters for status, due date range, assignee, and associated constituent.

  • Get Task

    Retrieves a single task record by its unique numeric ID via GET /task/{id}, returning the complete scheduled action details including assignee, due date, and status.

  • Update Task

    Updates an existing task record by ID via PUT /task/{id}, applying partial updates to scheduled action details such as due date, subject, assignee, and notes.

  • Delete Task

    Permanently deletes a task record by ID via DELETE /task/{id}, removing the scheduled follow-up action from the CRM.

Campaigns

  • Create Campaign

    Creates a new fundraising campaign via POST /campaign, setting up an organizational unit for tracking donations and measuring progress toward a fundraising goal.

  • List Campaigns

    Retrieves a paginated list of fundraising campaigns from the Bloomerang CRM via GET /campaigns, used to organize and track donation drives and fundraising initiatives.

  • Get Campaign

    Retrieves a single campaign record by its unique numeric ID via GET /campaign/{id}, returning the complete fundraising initiative details including goal progress.

  • Update Campaign

    Updates an existing campaign record by ID via PUT /campaign/{id}, applying partial updates to campaign details such as name, dates, goal, and active status.

Appeals

  • Create Appeal

    Creates a new fundraising appeal via POST /appeal, defining a solicitation method that can be referenced in transaction designations.

  • List Appeals

    Retrieves a paginated list of fundraising appeals from the Bloomerang CRM via GET /appeals, representing specific solicitation efforts or outreach methods used to generate donations.

  • Get Appeal

    Retrieves a single appeal record by its unique numeric ID via GET /appeal/{id}, returning the complete solicitation method details.

  • Update Appeal

    Updates an existing appeal record by ID via PUT /appeal/{id}, applying partial updates to the appeal name or active status.

Funds

  • Create Fund

    Creates a new fund (financial account category) via POST /fund, defining a donation allocation target for use in transaction designations.

  • List Funds

    Retrieves a paginated list of funds from the Bloomerang CRM via GET /funds, representing financial accounts or categories that donations are allocated to (e.g., General Fund, Building Fund).

  • Get Fund

    Retrieves a single fund record by its unique numeric ID via GET /fund/{id}, returning the complete financial account details.

  • Update Fund

    Updates an existing fund record by ID via PUT /fund/{id}, applying partial updates to fund properties such as name, active status, default designation, and QuickBooks ledger class.

Households

  • Create Household

    Creates a new household grouping via POST /household, linking individual constituents into a family unit with a designated head for combined giving and communication.

  • List Households

    Retrieves a paginated list of households from the Bloomerang CRM via GET /households, representing family or organizational groupings of individual constituents for combined giving and communication.

  • Get Household

    Retrieves a single household record by its unique numeric ID via GET /household/{id}, returning the complete household grouping details including head, members, and name fields.

  • Update Household

    Updates an existing household record by ID via PUT /household/{id}, applying partial updates to membership, head designation, and name fields.

  • Delete Household

    Permanently deletes a household grouping by ID via DELETE /household/{id}, removing the family unit but preserving all individual member constituent records.

Notes

  • Create Note

    Creates a new note (free-text annotation) for a constituent via POST /note, adding internal documentation to a donor's record.

  • List Notes

    Retrieves a paginated list of notes from the Bloomerang CRM via GET /notes, representing free-text annotations attached to constituent records for internal documentation.

  • Get Note

    Retrieves a single note record by its unique numeric ID via GET /note/{id}, returning the complete annotation including content, constituent association, and custom fields.

  • Update Note

    Updates an existing note record by ID via PUT /note/{id}, applying partial updates to the content, date, or custom field values.

  • Delete Note

    Permanently deletes a note record by ID via DELETE /note/{id}, removing the annotation from the constituent's timeline.

Address

  • Create Address

    Creates a new mailing address for a constituent via POST /address, adding a secondary address or the initial address record for a donor.

  • Get Address

    Retrieves a single address record by its unique numeric ID via GET /addresses/{id}, returning the complete mailing address details.

  • Update Address

    Updates an existing address record by ID via PUT /address/{id}, applying partial updates to mailing address fields such as street, city, state, and primary designation.

  • Delete Address

    Permanently deletes an address record by ID via DELETE /address/{id}, removing the mailing address from the constituent's record.

Email Address

  • Create Email Address

    Creates a new email address for a constituent via POST /email, adding a secondary email or the initial email record for a donor.

  • Get Email Address

    Retrieves a single email address record by its unique numeric ID via GET /email/{id}, returning the complete email details including type, value, and primary designation.

  • Update Email Address

    Updates an existing email address record by ID via PUT /email/{id}, applying partial updates to the email type, value, or primary designation.

  • Delete Email Address

    Permanently deletes an email address record by ID via DELETE /email/{id}, removing the email from the constituent's contact information.

Phone Numbers

  • Create Phone Number

    Creates a new phone number for a constituent via POST /phone, adding a secondary phone or the initial phone record for a donor.

  • List Phone Numbers

    Retrieves a paginated list of phone numbers from the Bloomerang CRM via GET /phones, including primary and secondary phone records for all constituents.

  • Get Phone Number

    Retrieves a single phone number record by its unique numeric ID via GET /phone/{id}, returning the complete phone details including type, number, extension, and primary designation.

  • Update Phone Number

    Updates an existing phone number record by ID via PUT /phone/{id}, applying partial updates to the phone type, number, extension, or primary designation.

  • Delete Phone Number

    Permanently deletes a phone number record by ID via DELETE /phone/{id}, removing the phone from the constituent's contact information.

Refunds

  • Create Refund

    Creates a new refund record against an existing transaction via POST /refund, recording a partial or full return of a donation amount while preserving the audit trail.

  • List Refunds

    Retrieves a paginated list of refund records from the Bloomerang CRM via GET /refunds, tracking returned or reversed donation amounts.

  • Get Refund

    Retrieves a single refund record by its unique numeric ID via GET /refund/{id}, returning the complete refund details including amount, date, associated transaction, and reason.

  • Update Refund

    Updates an existing refund record by ID via PUT /refund/{id}, applying partial updates to the refund date, amount, or reason note.

  • Delete Refund

    Permanently deletes a refund record by ID via DELETE /refund/{id}, removing the refund entry and restoring the original transaction to its full amount.

Relationships

  • Create Relationship

    Creates a new relationship between two non-household constituents via POST /relationship, defining a bidirectional connection such as Spouse, Parent/Child, or Employer/Employee.

  • Get Relationship

    Retrieves a single relationship record by its unique numeric ID via GET /relationship/{id}, returning the complete connection details between two constituents.

  • Update Relationship

    Updates an existing relationship record by ID via PUT /relationship/{id}, applying partial updates to the role type, head-of-household designation, or note.

  • Delete Relationship

    Permanently deletes a relationship record by ID via DELETE /relationship/{id}, removing the bidirectional connection between two constituents.

Relationship Roles

  • List Relationship Roles

    Retrieves a paginated list of relationship role definitions from the Bloomerang CRM via GET /relationshiproles, providing the available connection types (e.g., Spouse, Parent, Employer) for use when creating relationships.

  • Get Relationship Role

    Retrieves a single relationship role definition by its unique numeric ID via GET /relationshiprole/{id}, returning the role name, reciprocal role, and configuration details.

Soft Credits

  • Create Soft Credit

    Creates a new soft credit via POST /softcredit, attributing donation recognition to a constituent who influenced a gift without being the actual donor.

  • List Soft Credits

    Retrieves a paginated list of soft credits from the Bloomerang CRM via GET /softcredits, representing donation recognition given to constituents who influenced a gift but are not the actual donor.

  • Get Soft Credit

    Retrieves a single soft credit record by its unique numeric ID via GET /softcredit/{id}, returning the complete recognition attribution details.

  • Update Soft Credit

    Updates an existing soft credit record by ID via PUT /softcredit/{id}, allowing modification of the recognized amount.

  • Delete Soft Credit

    Permanently deletes a soft credit record by ID via DELETE /softcredit/{id}, removing the donation recognition attribution from the constituent.

Tributes

  • Create Tribute

    Creates a new tribute (honorary or memorial dedication) via POST /tribute, defining a person to be honored or memorialized in donation designations.

  • List Tributes

    Retrieves a paginated list of tributes from the Bloomerang CRM via GET /tributes, representing honorary or memorial dedications that can be attached to donations.

  • Get Tribute

    Retrieves a single tribute record by its unique numeric ID via GET /tribute/{id}, returning the complete honorary or memorial dedication details.

  • Search Tributes

    Performs a text search across active tributes via GET /tributes/search, matching against tribute names with a minimum 3-character query for autocomplete or lookup functionality.

  • Update Tribute

    Updates an existing tribute record by ID via PUT /tribute/{id}, applying partial updates to the tribute name, type, description, and other properties.

Email Interests

  • List Email Interests

    Retrieves a paginated list of email interest categories from the Bloomerang CRM via GET /emailInterests, representing the email subscription topics that constituents can opt into or out of.

  • Get Email Interest

    Retrieves a single email interest category by its unique numeric ID via GET /emailInterest/{id}, returning the subscription topic details.

Wallet Items

  • Create Wallet Item

    Creates a new wallet item (stored payment method) for a constituent via POST /walletitem, securely tokenizing a credit card or bank account for recurring donations.

  • List Wallet Items

    Retrieves a list of wallet items (stored payment methods) from the Bloomerang CRM via GET /walletitems, showing saved credit cards and bank accounts used for recurring donations.

  • Get Wallet Item

    Retrieves a single wallet item (stored payment method) by its unique numeric ID via GET /walletitem/{id}, returning masked payment details including method type, last four digits, and expiration.

  • Delete Wallet Item

    Permanently deletes a wallet item (stored payment method) by ID via DELETE /walletitem/{id}, removing the saved credit card or bank account from the constituent's record.

Processors

  • List Processors

    Retrieves a list of payment processors configured in the Bloomerang account via GET /processors, showing the gateways that handle credit card and bank account charges for donations.

  • Get Processor

    Retrieves a single payment processor by its unique numeric ID via GET /processor/{id}, returning the complete gateway configuration including type, status, and supported payment methods.

Other (18)

  • Create Constituent (Merge)

    Creates a new constituent or merges data into an existing duplicate record via POST /constituent/merge, using intelligent duplicate detection based on name plus contact info.

  • Get Constituent Relationships

    Retrieves all relationships for a specific constituent via GET /constituent/{id}/relationships, showing family, professional, and organizational connections.

  • Get Constituent Timeline

    Retrieves a chronological timeline of all activity for a constituent (or all household members if a Household ID is provided) via GET /constituent/{id}/timeline.

  • Get Pledge Installments

    Retrieves a paginated list of installment schedule entries for a specific pledge via GET /pledge/{id}/installments, showing scheduled payment dates and amounts.

  • Get Pledge Payments

    Retrieves a paginated list of successful payments made against a specific pledge via GET /pledge/{id}/payments, showing fulfilled installment transactions.

  • Get Pledge Payment Failures

    Retrieves a paginated list of failed payment attempts for a specific pledge via GET /pledge/{id}/paymentFailures, showing declined or errored transactions.

  • List Addresses

    Retrieves a paginated list of physical mailing addresses from the Bloomerang CRM via GET /addresses, including primary and secondary addresses for all constituents.

  • List Email Addresses

    Retrieves a paginated list of email addresses from the Bloomerang CRM via GET /emails, including primary and secondary email records for all constituents.

  • List Custom Field Categories

    Retrieves a list of custom field categories for a specific entity type via GET /customFieldCategories/{type}, showing how custom fields are organized into groups in the Bloomerang CRM.

  • List Custom Fields

    Retrieves a list of custom field definitions for a specific entity type via GET /customFields/{type}, showing the available custom data fields and their configurations.

  • List Custom Values

    Retrieves all selectable option values for PickOne and PickMultiple custom fields of a given entity type via GET /customValues/{type}, providing the dropdown options available when setting custom field values.

  • List Custom Values By Field

    Retrieves selectable option values for a specific custom field via GET /customValues/{type}/{fieldId}, narrowing results to a single PickOne or PickMultiple field.

  • Update Constituent Communication Settings

    Updates communication preferences and restrictions for a constituent via PUT /constituent/{id}/updateCommunicationSettings, managing opt-outs and email interest subscriptions.

  • Find Duplicate Constituents

    Searches for possible duplicate constituent records via POST /constituent/duplicates, requiring a name match plus at least one matching contact detail.

  • Complete Task

    Marks a task as completed via PUT /task/{id}/complete, with an option to automatically create a corresponding interaction record from the task details.

  • Refresh Campaign Summaries

    Triggers a recalculation of all campaign goal summaries via GET /campaigns/refreshsummaries, updating progress metrics to reflect the latest transaction data.

  • Generate Pledge Installments

    Generates a preview installment schedule for a pledge via GET /pledge/generateInstallments without saving to the database, useful for calculating payment plans before creating or modifying a pledge.

  • Write Off Pledge

    Writes off the remaining unpaid balance of a pledge via POST /pledge/{id}/writeOff, marking the outstanding amount as uncollectible.

Bloomerang AI Agent Use Cases

Connect your AI agent to Bloomerang and help your team scale the sales operations they run by hand today.

Post-Demo Follow-Up

Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate post-demo follow-up.

View
SalesforceHubSpotPipedriveGongFirefliesGmailMicrosoft OutlookGoogle Calendar
Deal Risk Scoring

Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate deal risk scoring and pipeline alerts.

View
SalesforceHubSpotPipedriveZoho CRMCloseFreshsalesGmailOutlook
Outbound Prospecting

Use StackOne to connect your AI agent to your CRM, sales engagement, and messaging tools to automate outbound prospecting.

View
SalesforceHubSpotOutreachSalesloftLemlistPipedriveCloseGmail

Set Up Your Bloomerang MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to Bloomerang in under 10 lines of code.

Agent Frameworks

Claude Desktop
{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

Check More crm-sales MCP Servers

Bloomerang MCP Server FAQ

Does StackOne have a Bloomerang MCP server?
Yes. StackOne offers a hosted Bloomerang MCP server with 104 pre-built actions, and every action is tested and QA'd by StackOne. Connect it to Claude, Cursor, and any other MCP client, or to any agent framework through the AI Action SDK. It ships with managed agent authentication, prompt injection defense, and tool discovery with server-side execution that preserve your agent's context window and keep reasoning performance.
Bloomerang MCP server vs direct API integration — what's the difference?
A Bloomerang MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Bloomerang. A Bloomerang MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Bloomerang at runtime. StackOne provides both.
How does Bloomerang authentication work for AI agents?
Bloomerang authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Bloomerang account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.
Are Bloomerang MCP tools vulnerable to prompt injection?
Yes — Bloomerang MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a Bloomerang agent and how do I avoid it?
Context bloat happens when Bloomerang tool schemas and API responses eat your Bloomerang agent's memory, preventing it from reasoning effectively. A single Bloomerang query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my Bloomerang agent can access?
Yes — you can limit which actions your Bloomerang agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my Bloomerang MCP server?
Yes — you can create custom agent actions for your Bloomerang MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Bloomerang's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a Bloomerang MCP server?
Skip a Bloomerang MCP server if your integration is purely software-to-software — direct Bloomerang API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Bloomerang actions at runtime.
What AI frameworks and AI clients does the StackOne Bloomerang MCP server support?
The StackOne Bloomerang MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Put your AI agents to work

All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.