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io.github.dimitrilaouanis-tech/onyx-mcp: tool descriptions scored

tools/list taken
(UTC)
From
Official MCP Registry
Connected to
https://onyx-actions.onrender.com/mcp/
Homepage
onyx-actions.onrender.com
Repository
github.com/dimitrilaouanis-tech/onyx-mcp
Scoring rules
v2
Removal
support@forecall.dev
Score this URL as it is today

Scores, issues and names only

This page shows how io.github.dimitrilaouanis-tech/onyx-mcp's tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

servers/io.github.dimitrilaouanis-tech/onyx-mcp
Average score
48.4 / 100Cloudy
Tools
33
Near-identical descriptions
0

Across the server

  • Minor
    33 tools. Above 25, models start to tell tools apart less well.many_tools
  • Minor
    The server has no instructions. Say there, once, what the server is for and when to use it: Claude Code and Gemini CLI read the instructions before the tool descriptions.instructions_missing

Tools

onyx_ecosystem_intel

37 / 100Rain

Purpose
17 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_mail_check

38 / 100Rain

Purpose
20 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints
  • Minor
    Required identifiers whose description does not say where the value comes from: agent_id. Name the tool or the place that returns it, or models look it up first.id_source_missing

onyx_perm_grant

40 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
15 / 25
Return value
0 / 15
Constraints and side effects
3 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Arguments without a description: allowed_merchants, allowed_domains, purpose.param_no_description
  • Minor
    String arguments with no constraint or example: purpose.loose_string_param
  • Minor
    Says nothing about what it returns.no_return_info

onyx_tx_guard

40 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

rhinogent_identity

40 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_token_risk

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_verify_explain

42 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

rhinogent_mandate

43 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
3 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info

onyx_agent_economy_index

44 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No `required` list, so every argument is optional.no_required
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_contract_audit

45 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context

onyx_payment_gate

45 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

rhinogent_verify_counterparty

45 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_mail_send

46 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
3 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    Says nothing about what it returns.no_return_info

onyx_research_intel

47 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
20 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description

onyx_secure_payment

47 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_track_record

47 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_agent_verify

50 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context

onyx_ai_visibility

50 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
10 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_attestation_verify

50 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_merchant_fact_check

50 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
10 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_preflight

50 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
0 / 10

No issues.

onyx_security_flags

50 / 100Cloudy

Purpose
20 / 20
When to use
5 / 20
Arguments
15 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
0 / 10
  • Minor
    No `required` list, so every argument is optional.no_required

onyx_signature_guard

50 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
23 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
0 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context

onyx_x402_receipt_verify

51 / 100Cloudy

Purpose
20 / 20
When to use
0 / 20
Arguments
19 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context
  • Minor
    The description mentions none of its 3 or more arguments.params_not_in_description
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_aeo_score

52 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_perm_check

52 / 100Cloudy

Purpose
20 / 20
When to use
5 / 20
Arguments
12 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
5 / 10
  • Minor
    Arguments without a description: action.amount_usdc, action.merchant, action.domain.param_no_description
  • Minor
    String arguments with no constraint or example: action.merchant, action.domain.loose_string_param

onyx_tx_preflight

52 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_verified_issue

53 / 100Cloudy

Purpose
20 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
0 / 15
Constraints and side effects
0 / 10
Examples
10 / 10
  • Minor
    Says nothing about what it returns.no_return_info
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_market_rank

57 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
10 / 10
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_retail_price_check

57 / 100Cloudy

Purpose
17 / 20
When to use
10 / 20
Arguments
18 / 25
Return value
7 / 15
Constraints and side effects
0 / 10
Examples
5 / 10
  • Minor
    No constraints, side effects, auth or rate limits described, and no annotations.no_constraints

onyx_erc8004_lookup

58 / 100Cloudy

Purpose
17 / 20
When to use
0 / 20
Arguments
21 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
10 / 10
  • Major
    Says nothing about when to use it, or when not to.no_usage_context

onyx_intel_exchange

61 / 100Cloudy

Purpose
17 / 20
When to use
10 / 20
Arguments
19 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
5 / 10

No issues.

onyx_agent_registry

65 / 100Cloudy

Purpose
17 / 20
When to use
5 / 20
Arguments
23 / 25
Return value
7 / 15
Constraints and side effects
3 / 10
Examples
10 / 10

No issues.

What static scoring cannot tell

This score reads only the text of each description and schema: it says what is written, not what a model will do. Short tools whose names already say what they do, such as browser_close, score low here even when models use them well, and in our measurements current models chose the right tool in one step even from one-line descriptions, as long as the names and schemas differed. What the text cannot show, such as what happens over several steps and whether an added sentence helps or misleads, is what an evaluation measures, on the Pro and Team plans.

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