Rhumb Mcp
Rhumb is an agent gateway that scores and routes external tool calls. It indexes over 1,000 services with AN Scores that measure execution quality and access friction, then routes supported capability calls through governed execution rails. Think of it as discovery plus routing: find_services and get_score help agents compare options like Stripe or SendGrid before committing, while execute_capability routes the actual call through the best available provider based on health, cost, and credentials. It exposes 21 MCP tools covering discovery, execution estimates, receipts, and budget enforcement. Discovery works without auth. Execution requires a governed API key or wallet prefund. Best current fit is research, extraction, and generation tasks rather than broad multi-system automation.
- GitHub stars
- 1
- tools
- 21
- auth
- Secret needed
- transport
- STDIO
- env var
- 1
- last updated
- Apr 25, 2026
Tools
21 toolsPublic tool metadata for what this MCP can expose to an agent.
find_servicesSearch indexed Services by what you need them to do
Search indexed Services by what you need them to do
No parameter schema in public metadata yet.
get_scoreGet the full AN Score breakdown for a Service: execution quality, access readiness, autonomy level, tier label, and freshness
Get the full AN Score breakdown for a Service: execution quality, access readiness, autonomy level, tier label, and freshness
No parameter schema in public metadata yet.
get_alternativesFind alternative Services, ranked by AN Score
Find alternative Services, ranked by AN Score
No parameter schema in public metadata yet.
get_failure_modesGet known failure patterns, impact severity, and workarounds for a service
Get known failure patterns, impact severity, and workarounds for a service
No parameter schema in public metadata yet.
discover_capabilitiesBrowse Capabilities by domain or search text
Browse Capabilities by domain or search text
No parameter schema in public metadata yet.
resolve_capabilityGiven a Capability ID, and optionally a credential mode, returns ranked providers with health status, cost per call, auth methods, endpoint patterns, execute guidance, and machine-readable recovery fields like recovery_hint.resolve_url, recovery_hint.credential_modes_url, and,...
Given a Capability ID, and optionally a credential mode, returns ranked providers with health status, cost per call, auth methods, endpoint patterns, execute guidance, and machine-readable recovery fields like recovery_hint.resolve_url, recovery_hint.credential_modes_url, and,...
No parameter schema in public metadata yet.
execute_capabilityCall a Capability through Rhumb Resolve
Call a Capability through Rhumb Resolve
No parameter schema in public metadata yet.
estimate_capabilityEstimate the active execution rail, cost, and health before a Capability call; anonymous direct system-of-record paths also preserve machine-readable execute_readiness handoffs
Estimate the active execution rail, cost, and health before a Capability call; anonymous direct system-of-record paths also preserve machine-readable execute_readiness handoffs
No parameter schema in public metadata yet.
credential_ceremonyGet step-by-step instructions to obtain API credentials for a Service
Get step-by-step instructions to obtain API credentials for a Service
No parameter schema in public metadata yet.
check_credentialsInspect live credential-mode readiness, globally or for a specific Capability
Inspect live credential-mode readiness, globally or for a specific Capability
No parameter schema in public metadata yet.
rhumb_list_recipesList the current published Rhumb Layer 3 recipe catalog
List the current published Rhumb Layer 3 recipe catalog
No parameter schema in public metadata yet.
rhumb_get_recipeGet the full published definition for a Rhumb recipe, including input/output schemas and step topology
Get the full published definition for a Rhumb recipe, including input/output schemas and step topology
No parameter schema in public metadata yet.
rhumb_recipe_executeExecute a published Rhumb Layer 3 recipe once one is live in the public catalog
Execute a published Rhumb Layer 3 recipe once one is live in the public catalog
No parameter schema in public metadata yet.
get_receiptRetrieve an execution receipt by ID
Retrieve an execution receipt by ID
No parameter schema in public metadata yet.
budgetCheck or set your call spending limit
Check or set your call spending limit
No parameter schema in public metadata yet.
spendGet your spending breakdown for a billing period: total USD spent, call count, average cost per call, broken down by Capability and by provider
Get your spending breakdown for a billing period: total USD spent, call count, average cost per call, broken down by Capability and by provider
No parameter schema in public metadata yet.
check_balanceCheck your current Rhumb credit balance in USD
Check your current Rhumb credit balance in USD
No parameter schema in public metadata yet.
get_payment_urlGet a checkout URL to add credits to your Rhumb balance
Get a checkout URL to add credits to your Rhumb balance
No parameter schema in public metadata yet.
get_ledgerGet your billing history: charges (debits), top-ups (credits), and auto-reload events
Get your billing history: charges (debits), top-ups (credits), and auto-reload events
No parameter schema in public metadata yet.
routingGet or set how Rhumb auto-selects providers when you don't specify one in execute_capability
Get or set how Rhumb auto-selects providers when you don't specify one in execute_capability
No parameter schema in public metadata yet.
usage_telemetryGet your execution analytics — calls, latency, errors, costs, and provider health for your Rhumb usage
Get your execution analytics — calls, latency, errors, costs, and provider health for your Rhumb usage
No parameter schema in public metadata yet.
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RHUMB_API_KEYsecretGoverned API key for authenticated repeat traffic on X-Rhumb-Key (optional — discovery works without auth; execution otherwise needs x402 payment)
Readme
Rhumb
Index ranks. Resolve routes. Rhumb is an agent gateway for external tools: Index scores and compares services; Resolve routes supported capability calls through governed execution rails with receipts.
🌐 rhumb.dev · ⚡ Quickstart · 🧭 Resolve · 💵 Pricing · 📊 Leaderboard · 📖 Methodology · 🔑 Trust
For agents: See
llms.txtfor machine-readable documentation andagent-capabilities.jsonfor structured capability metadata.
Start in 30 seconds
MCP (recommended)
npx -y --package rhumb-mcp@latest rhumb-mcp
Zero config. Discovery tools work immediately — no signup, no governed API key.
Details
- Repository
- github.com/supertrained/rhumb
- Categories
- AI & LLM Tools, Search & Web Crawling
- Package
rhumb-mcp- Transport
- STDIO
- Auth
- Required
- Registry
- MCP registry, active
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