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Agentbroker MCP Server

Developer ToolsUse Caution3.2MCP RegistryLocalRemote
Free

Server data from the Official MCP Registry

AI agents find, message & book SMBs; pay per call in USDC on Base via x402. 14 tools, compliant.

About

AI agents find, message & book SMBs; pay per call in USDC on Base via x402. 14 tools, compliant.

Remote endpoints: streamable-http: https://agent-broker-edge.basil-agent.workers.dev/mcp

Security Report

3.2
Use Caution3.2High Risk

This MCP server implements a complex SMB communication broker with reasonable security foundations but exhibits several concerns: authentication is present but optional in development mode, the rate limiter implementation has weak eviction semantics that could leak memory under attack, and the x402 payment gate may be bypassable through direct channel calls. The codebase shows good practices around compliance and token handling, but the rate limiter's in-memory architecture and incomplete auth enforcement across all code paths present moderate risks. Permissions align with stated purpose (messaging, calendar APIs, browser automation). Supply chain analysis found 10 known vulnerabilities in dependencies (0 critical, 4 high severity).

4 files analyzed · 18 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

network_websocket

Check that this permission is expected for this type of plugin.

env_vars

Check that this permission is expected for this type of plugin.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

system_info

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Shell Command Execution

Runs commands on your machine. Be cautious — only use if you trust this plugin.

How to Install & Connect

Available as Local & Remote

This plugin can run on your machine or connect to a hosted endpoint. during install.

Documentation

View on GitHub

From the project's GitHub README.

Agent Broker — SMB Transaction & Communication MCP Server

An agent-callable MCP server that lets autonomous AI agents find, verify, message, schedule with, and transact with small and mid-sized businesses (SMBs) through a single compliance-enforced tool surface.

MCP License Python Edge Registry Tests

Live endpoint: https://agent-broker-edge.basil-agent.workers.dev/mcp (streamable-http, always-on Cloudflare edge)


Why this exists

There are ~60 million long-tail small businesses in the US — barbers, plumbers, accountants, home cleaners — and they have no API surface. AI agents that need to schedule a haircut, get a quote, or send a confirmation today must either drive a browser, cold-call by voice, or give up.

This server is the missing middle layer. Agents call us; we route to the right SMB through whichever channel reaches them fastest — Cal.com → SMS → voice AI → email — with full TCPA / GDPR / CASL / 10DLC compliance enforced as a non-bypassable gate.


Current status (honest)

CapabilityStatus
MCP endpoint (streamable-http)Livehttps://agent-broker-edge.basil-agent.workers.dev/mcp
14 MCP toolsLive (callable today)
Compliance gate (TCPA/GDPR/CASL)Live
REST + A2A + OpenAI/Anthropic tool surfacesLive
SMB supply networkDemo — 20+ seed SMBs; demo bookings return demo_smb_no_live_booking
Per-call payments via x402/USDC on BaseComing soon — not yet active — tools are currently free
Production SMB onboardingPlanned — real businesses not yet enrolled

The MCP server is live and callable right now. Bookings hit demo data, and per-call payments (x402/USDC) are not yet charged. Both are in progress.


14 MCP Tools

All tools are callable via MCP, REST, OpenAI function calling, Anthropic tool_use, or A2A protocol.

#ToolWhat it does
1find_businessSearch SMBs by vertical, location, and capability — free
2verify_businessConfirm an SMB is real, operating, and capable of the requested service — free
3send_messageSend SMS, email, or voice with full compliance pre-check (TCPA/GDPR/CASL)
4capture_leadStructured intake of a prospect into an SMB pipeline with CRM integration
5schedule_appointmentBook, reschedule, or cancel — tries direct booking API, falls back to voice AI
6send_transactional_confirmationTCPA-exempt OTPs, booking confirmations, receipts
7handle_inboundClassify inbound messages: booking / cancel / opt-out / question / complaint
8escalate_to_humanHand off a stuck or ambiguous task to a human operator with full context
9get_statusPoll the current state of an async operation — free
10get_outcomeRetrieve the final OutcomeReceipt (with cost and reason codes) — free
11preview_costEstimate cost, latency, and success probability before committing — free
12self_testVerify service health and all claimed capabilities are responding — free
13import_booking_urlTurn any Cal.com, Calendly, Doctolib, Booksy, OpenTable, Square, Acuity, or Fresha URL into a bookable SMB record
14call_businessPlace a conversational voice-AI phone call to a business on behalf of a consumer

Quick start

Connect via MCP (Claude Desktop, Cursor, Continue, etc.)

{
  "mcpServers": {
    "agent-broker": {
      "url": "https://agent-broker-edge.basil-agent.workers.dev/mcp"
    }
  }
}

No API key required for read-only tools. State-changing tools accept an optional X-Agent-Identity bearer token.

Discover tools (JSON-RPC)

curl -X POST https://agent-broker-edge.basil-agent.workers.dev/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'

Call a tool (JSON-RPC)

curl -X POST https://agent-broker-edge.basil-agent.workers.dev/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 2,
    "method": "tools/call",
    "params": {
      "name": "find_business",
      "arguments": {
        "vertical": "personal_services",
        "location": {"zip_or_city": "30309"},
        "capability": "haircut"
      }
    }
  }'

OpenAI function calling

import httpx, openai
tools = httpx.get(
    "https://agent-broker-edge.basil-agent.workers.dev/.well-known/openai-tools.json"
).json()["tools"]
client = openai.OpenAI()
resp = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": "Book a haircut in Atlanta Saturday under $50"}],
    tools=tools,
)

Anthropic tool use

import httpx, anthropic
tools = httpx.get(
    "https://agent-broker-edge.basil-agent.workers.dev/.well-known/anthropic-tools.json"
).json()["tools"]
client = anthropic.Anthropic()
msg = client.messages.create(
    model="claude-opus-4-5",
    max_tokens=1024,
    tools=tools,
    messages=[{"role": "user", "content": "Book a haircut in Atlanta Saturday under $50"}],
)

Plain REST

curl -X POST https://agent-broker-edge.basil-agent.workers.dev/ops/find_business \
  -H "Content-Type: application/json" \
  -d '{"vertical":"personal_services","location":{"zip_or_city":"30309"},"capability":"haircut"}'

Discovery surfaces

SurfaceURL
MCP (streamable-http)https://agent-broker-edge.basil-agent.workers.dev/mcp
MCP descriptorhttps://agent-broker-edge.basil-agent.workers.dev/.well-known/mcp.json
OpenAI function toolshttps://agent-broker-edge.basil-agent.workers.dev/.well-known/openai-tools.json
Anthropic tool_usehttps://agent-broker-edge.basil-agent.workers.dev/.well-known/anthropic-tools.json
A2A (Agent-to-Agent)https://agent-broker-edge.basil-agent.workers.dev/.well-known/agents.json
OpenAI ChatGPT pluginhttps://agent-broker-edge.basil-agent.workers.dev/.well-known/ai-plugin.json
llms.txthttps://agent-broker-edge.basil-agent.workers.dev/llms.txt
OpenAPI 3.1https://agent-broker-edge.basil-agent.workers.dev/openapi.yaml
Glama MCP RegistryListed via glama.json
MCP RegistryListed via server.json

Architecture

AI agent
   |
   v  MCP / REST / A2A
Cloudflare Worker edge  (agent-broker-edge.basil-agent.workers.dev)
   |  300+ PoPs globally -- discovery served from edge bundle in 40-70 ms
   |
   +-- GET /.well-known/* /manifest /llms.txt  --> embedded snapshot (40-70 ms)
   +-- POST /mcp  initialize / tools/list      --> embedded snapshot (40-65 ms)
   +-- POST /mcp  tools/call  /ops/*           --> proxy to origin  (170-190 ms)
                |
                v
        Python FastAPI  (smb-broker.onrender.com)
                |  Cron keep-alive every 2 min (eliminates Render cold starts)
                |
                +-- 14 operation handlers  (core/)
                +-- Compliance gate        (compliance/pre_check)
                +-- Channel adapters       (channels/ -- Twilio, Cal.com, Vapi, SendGrid)
                +-- Billing + outcome store
                +-- All .well-known / MCP endpoints (also served from edge bundle)

The edge worker can outlive the origin: discovery still works even if the origin is down. Idempotency is keyed by (agent_id, operation, idempotency_key) with 24h TTL. Async operations return pending_async; poll with get_status / get_outcome.


Compliance

Every outbound communication passes through compliance/pre_check():

  1. Content classification — blocks restricted categories (gambling, adult, cannabis, spam)
  2. Opt-out check — TCPA STOP keyword, GDPR right-to-be-forgotten, CASL
  3. Consent check — TCPA written consent, GDPR opt-in, CASL implied/express
  4. 10DLC registry check — US SMS campaign compliance
  5. Two-party recording consent — CA, FL, IL, MD, MA, MT, NV, NH, PA, WA
  6. Audit log — PII stored as SHA-256 hash, never plaintext

Violations surface as ComplianceViolationError and are never silently bypassed.


Repo layout

agentbroker/
+-- core/                  # 14 operation handlers + shared Pydantic models
+-- channels/              # Twilio, SendGrid, Vapi, Bland, Cal.com, Playwright
+-- compliance/            # pre_check, jurisdiction_rules, consent_store, audit_log
+-- reliability/           # retry, circuit_breaker, channel_fallback, async_runner
+-- billing/               # meter, budget_guard, receipt_signer, pricing_tiers
+-- telemetry/             # tracer, log_redactor, metrics_emitter
+-- storage/               # outcome_store, idempotency_store
+-- supply/                # smb_directory (20+ seed/demo SMBs)
+-- onboarding/            # self_serve, verification_flow, channel_capture
+-- feedback/              # failure_classifier, attribution_engine, outcome_evaluator
+-- optimizer/             # ab_router, selection_analytics, weekly_report
+-- agent_interface/       # manifest_server, mcp_server, well_known, identity, webhooks
+-- manifest/              # manifest.json, mcp_tools.json, openapi.yaml
+-- api/                   # errors.md, identity.md, async.md
+-- docs/                  # mission, architecture, compliance, ADRs
+-- edge/                  # Cloudflare Worker (TypeScript/Hono)
+-- deploy/                # Dockerfile, docker-compose.yml
+-- tests/                 # unit, contract, compliance, fault_injection, agent_sim
+-- main.py                # FastAPI entry point
+-- config.py              # Centralized config from env
+-- requirements.txt

Local development

# Install dependencies
pip install -r requirements.txt

# Run tests (103 passing)
python -m pytest tests/ -q

# Start the API
python main.py
# --> http://localhost:8000/docs      (Swagger UI)
# --> http://localhost:8000/mcp       (MCP endpoint)
# --> http://localhost:8000/manifest  (capability manifest)

# Run the agent simulation harness
python -m tests.agent_sim.harness

# Self-test
python -c "import asyncio; from agent_interface.self_test import run_self_test; print(asyncio.run(run_self_test()).all_passed)"

Or with Docker:

docker compose -f deploy/docker-compose.yml up

Documentation


Contributing

This is a proprietary project. Issues and discussion are welcome — open a GitHub issue to report bugs or suggest features. Pull requests require prior discussion with the maintainer.


License

Proprietary — contact for licensing terms.


Built by Basil Al-Shukaili. Listed on the MCP Registry and Glama.

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