rymi-live/rymi-mcp (rymi-live/rymi-mcp) is an MCP server listed on the M8ven Trust Index. It scores 54 out of 100, grade D. It declares 56 tools. No publisher has claimed this listing.
Lets any MCP-capable AI client create and manage AI voice agents without writing HTTP code.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.
list_agentsList all your Rymi AI voice agents.
get_agentRetrieve a single Rymi voice agent by ID.
list_llm_optionsFetch all available LLM models and voices you can use when creating or updating an agent. Always call this before create_agent to pick valid values.
list_voicesList available agent/TTS voices, optionally filtered by provider or model. Much smaller payload than list_llm_options — use this to pick a `voice` value for create_agent/update_agent.
preview_stackPreview the resolved per-language model stack (STT/LLM/TTS), blockers, warnings, model diffs, and any required role upgrades for a set of supported languages — without saving. Use before create/update to confirm a multi-language setup is valid. Note: the concierge (realtime) role is not supported he…
create_agentCreate a new Rymi AI voice agent. Call list_llm_options first to discover valid voice and model values. For a multi-language agent, set supported_languages (e.g. ["hi-IN","en-US"]).
update_agentUpdate an existing Rymi voice agent's configuration. Only the fields you pass are changed; nullable fields accept null to clear them.
delete_agentPermanently delete a Rymi voice agent.
clone_agentDuplicate an existing agent. The copy gets " (Copy)" appended to its name.
list_calls_for_agentList calls made with a specific agent.
validate_agent_publishCheck whether an agent is ready to go live. Returns a validation report without persisting any changes.
apply_agent_changesValidate and resolve a flat key/value change-set against the AgentConfig field registry. Does NOT persist — follow up with update_agent.
enrich_companyUse AI + Google Search grounding to auto-generate a company description from a website URL, suitable for an agent's persona.
generate_agent_draftUse AI to generate an agent configuration draft from a plain-text description.
estimate_call_costEstimate how much balance a call will consume for a given tier and duration. Results are usage estimates; surface remaining balance to customers in minutes.
set_auto_rechargeConfigure auto-recharge. `pack_usd` must exceed `threshold_usd` or the API rejects it (recharge-loop guard).
set_spend_alertsConfigure spend-alert thresholds and low-balance / email preferences.
list_callsList previous and active calls across your account.
list_active_callsList calls currently in progress.
get_callRetrieve details, participants, status, duration, and cost for a single call.
get_call_summaryRetrieve the post-call summary for a call.
get_call_transcriptRetrieve the full transcript for a call. May contain personal data — handle accordingly.
get_call_recordingRetrieve recording metadata (e.g. playback URL) for a call, when recording is enabled.
get_call_queue_statsRetrieve current outbound call queue statistics.
reprocess_callRe-run post-call intelligence (summary, extraction, evaluation) for a call.
create_callWARNING: places a real, billable PSTN call. `from_number` is the caller ID shown to the recipient and must be a phone number registered to your account — omit it to use the agent's attached number. `identity` is the destination in strict E.164 (e.g. +15555550123).
batch_callQueue up to 500 outbound PSTN recipients in one request. WARNING: places real phone calls and incurs per-minute charges. `from_number` is the caller ID shown to the recipient and must be a phone number registered to your account.
end_callWARNING: immediately terminates an in-progress call. The call transitions to completed and post-call processing runs.
add_call_participantWARNING: dials/adds participants to a live call (warm transfer / conference). PSTN additions are billable.
list_dncList all numbers on your Do-Not-Call registry.
check_dncCheck whether phone numbers are on the Do-Not-Call registry. Read-only — adds nothing.
add_dncAdd a phone number to the Do-Not-Call registry so outbound calls to it are blocked.
add_dnc_batchAdd up to 1000 numbers to the Do-Not-Call registry. Invalid numbers are skipped and returned in `invalid`.
remove_dncWARNING: removes a number from the Do-Not-Call registry, re-enabling outbound calls to it.
get_usage_summaryGet this account's usage summary: remaining voice-runtime MINUTES, Studio AI unit usage, and post-call intelligence usage. Voice balance is reported in minutes, not dollars.
list_agent_templatesList published agent templates. Use a template's `defaults` as the starting config for create_agent.
list_eval_runsList previous evaluation runs for an agent.
get_eval_runRetrieve a single evaluation run, including per-scenario scores.
run_evalsRun the evaluation suite for an agent. mode="synthetic" (default) uses the offline scorer; mode="live" runs the model-driven runner (consumes Studio AI units).
list_publishable_keysList publishable (browser-safe) keys and which agent/channels each is scoped to. Returns key prefixes only, never full secrets.
list_knowledge_sourcesList the knowledge sources (RAG context) attached to an agent.
list_agent_changesList recorded configuration changes for an agent (for auditing or before an undo).
add_knowledge_sourceAdd a knowledge source to an agent from raw text or a URL (the URL is fetched and ingested).
delete_knowledge_sourceDelete a knowledge source from an agent.
undo_agent_changeUndo a single recorded configuration change, reverting that field to its previous value.
list_numbersList all phone numbers on your Rymi account and which agent each is attached to.
register_numberRegister a phone number on your account, optionally attaching it to an agent.
attach_numberAttach an existing number to an agent so inbound calls route to it.
remove_numberRemove a phone number from your account. The number stops routing to any agent.
publish_agentPublish a Rymi voice agent to make its current saved configuration live. IMPORTANT: this immediately makes the agent callable by end users. Returns published:false with a blockers list when the config has unresolved issues.
telephony_statusReport whether a telephony carrier is connected, and which provider/account.
list_telephony_numbersList numbers available on the connected telephony carrier account.
list_webhooksList your registered webhook endpoints. Signing secrets are never returned.
create_webhookRegister a webhook to receive call lifecycle events (e.g. call.completed, transcript.ready). URL must be public https. If you omit `secret`, one is generated and shown ONCE in the response — store it to verify signatures.
update_webhookUpdate a webhook endpoint. Only provided fields change. Pass `secret` to rotate it.
delete_webhookWARNING: stops event delivery to this endpoint.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
RYMI_API_KEYRun the server on your own machine with npx — it speaks stdio by default and talks to the Rymi REST API directly. The key is read from the environment variable.RYMI_MCP_PORTOptions: RYMI_MCP_READONLY=1 hides every mutating tool (including create_call, batch_call, publish_agent); --transport http + serve over HTTP instead of stdio.RYMI_MCP_READONLYOptions: =1 hides every mutating tool (including create_call, batch_call, publish_agent); --transport http + RYMI_MCP_PORT serve over HTTP instead of stdio.Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
56/56 tools missing one or more hints — list_agents (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_agent (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_llm_options (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +53 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool inputs are validated
33/40 tool handlers declare input schemas (83%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 3/40 tool handlers wrap calls in try/catch (8%)
Wrap each tool handler body in try/catch and return a structured error response.
Tool test coverage
Only 14/56 tools referenced in tests (25%)
Write tests that reference each tool by name so every tool has at least one test.
Production dependencies are patched
0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.11.1 (high), @modelcontextprotocol/sdk@1.11.1 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
2 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
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