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Search companies (free thin rows, full rows billed)

search_companies

Return companies matching an ICP. FREE by default while the account has free thin rows left today (daily quota; see detail — pass detail "thin" to guarantee $0); thin rows carry no domain — use enrich_company on the ones you keep. detail "full" is billable, about $0.0067 per returned row (0 rows costs $0) (Tier 0 list price; your account may pay a different rate — call get_balance for your real prices, and read cost.amount_charged in every response for what was actually spent). Realtime is billed per row too. Run count_companies first. Note that headcount_range is a snapshot taken when the record was indexed and can lag the company's current size; the filter itself is applied at query time.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
modeNoData mode. "database" = Generect's own index: sub-second, free counts, free thin rows (see detail) or cheaper full rows; it accepts a subset of the filters today and names any it rejects. "realtime" = live LinkedIn lookup, 5–60s, billed per row, accepts every realtime filter. "auto" (default) tries database first and escalates to realtime only if a filter you passed is rejected there (the escalation is reported, and is refused above the per-call spend ceiling). Pick "database" explicitly when freshness is not critical and cost matters more than freshness.
limitNoAlias for limit_by.
detailNoRow detail for the database search. Thin rows are FREE — id, name, industry, headcount_range, HQ country/city, company_type, founded_year; no LinkedIn URL, domain, contacts or history — up to a daily per-account row quota that resets at 00:00 UTC. Omitted (default): thin while the free tier is available; once it is not (quota spent, a custom-contract account, a server without the tier) the search continues as before — full rows billed per row, marked thin_unavailable in the result, under the spend ceiling. "thin": free rows only — never billed, never escalated to realtime; a spent quota is a 429 and a realtime-only filter is an error. "full": the whole record, billed per row. Browse thin, then spend only on the rows you keep: generate_email takes the lead id directly, enrich_* gives the full record.
offsetNoAlias for offset_by.
compactNoDefault true: return a small per-company summary (including the Generect `id`, which every later step accepts). Set false for the full raw record (~80 fields) — only worth it when you specifically need skills, education or other deep fields.
keywordsNoFree-text keywords across name/description/specialties — realtime only: using it forces the pricier live mode.
limit_byNoRows to return this call (1–100, default 25). You are billed per returned row, so this number IS the price of the call.
locationsNoHQ locations — cities, states or countries.
offset_byNoRows to skip (pagination).
headcountsNoSize buckets. Allowed ONLY: "1-10","11-50","51-200","201-500","501-1000","1001-5000","5001-10000","10 000+".
industriesNoCompany industries. Must match Generect industry names exactly (e.g. "Software Development"); unknown names are rejected with HTTP 400.
timeout_msNoRequest timeout in milliseconds.
exclude_idsNoExclude companies by LinkedIn id/URN.
technologiesNoTechnologies the company uses — realtime only: using it forces the pricier live mode.
company_namesNoRestrict to specific company names — realtime only: using it forces the pricier live mode.
company_typesNoCompany types: "Public Company","Privately Held","Non Profit","Government Agency","Educational", …
revenues_rangeNoAnnual revenue range, single object {min,max} — realtime only: using it forces the pricier live mode.
sub_industriesNoExpand each selected industry to its sub-industries as well (broadens the match).
exclude_domainsNoExclude companies by domain (e.g. existing customers).
linkedins_linksNoSpecific LinkedIn company URLs — realtime only: using it forces the pricier live mode.
headcount_growthNoHeadcount growth in percent — realtime only: using it forces the pricier live mode.
num_of_followersNoLinkedIn follower buckets: "1-50","51-100","101-1000","1001-5000","5001+" — realtime only: using it forces the pricier live mode.
confirm_spend_usdNoExplicit approval for an unusually large charge. Calls whose worst case exceeds $5 are refused unless this is set to at least the amount the tool reports. Only set it after the user has agreed to that number.
exclude_locationsNoHQ locations to exclude.
get_max_companiesNoDEPRECATED — accepted but ignored. Always on now: search responses include results_count without asking.
exclude_industriesNoIndustries to exclude.
hiring_on_linkedinNoOnly companies actively hiring — realtime only: using it forces the pricier live mode.
fallback_from_leadsNoDEPRECATED — accepted but ignored. Removed. It fabricated lead-derived name aggregates and cost an extra billable query.
department_headcountNoDepartment size, e.g. {"name":"engineering","min":10,"max":100} — realtime only: using it forces the pricier live mode.
allow_unlisted_valuesNoEscape hatch for the local vocabulary check — see the lead-side field of the same name.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
fixNo
costNo
modeNo
noteNo
leadsNo
statusNo
returnedNo
companiesNo
test_modeNo
spend_guardNo
results_countNo
next_page_argsNo
requested_rowsNo
escalation_noteNo
test_mode_noticeNo
vocabulary_warningsNo
blocked_by_vocabularyNo
deprecated_params_ignoredNo
escalated_to_realtime_becauseNo
api_returned_more_than_requestedNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed13 schema fields changed
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • removedInput schema / additionalProperties
      Removed value: -false
    • removedInput schema / properties / department_headcount / additionalProperties
      Removed value: -false
    • removedInput schema / properties / headcount_growth / additionalProperties
      Removed value: -false
    • removedInput schema / properties / revenues_range / additionalProperties
      Removed value: -false
    • changedOutput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • removedOutput schema / properties / blocked_by_vocabulary / $ref
      Removed value: -"#/properties/vocabulary_warnings"
    • addedOutput schema / properties / blocked_by_vocabulary / items
      Added value: +{}
    • addedOutput schema / properties / blocked_by_vocabulary / type
      Added value: +"array"
    • addedOutput schema / properties / companies / items
      Added value: +{}
    • addedOutput schema / properties / deprecated_params_ignored / propertyNames
      Added value: +{
      +  "type": "string"
      +}
    • addedOutput schema / properties / leads / items
      Added value: +{}
    • addedOutput schema / properties / vocabulary_warnings / items
      Added value: +{}
  2. Changed2 schema fields changed
    • addedInput schema / properties / detail
      Added value: +{
      +  "description": "Row detail for the database search. Thin rows are FREE — id, name, industry, headcount_range, HQ country/city, company_type, founded_year; no LinkedIn URL, domain, contacts or history — up to a daily per-account row quota that resets at 00:00 UTC. Omitted (default): thin while the free tier is available; once it is not (quota spent, a custom-contract account, a server without the tier) the search continues as before — full rows billed per row, marked thin_unavailable in the result, under the spend ceiling. \"thin\": free rows only — never billed, never escalated to realtime; a spent quota is a 429 and a realtime-only filter is an error. \"full\": the whole record, billed per row. Browse thin, then spend only on the rows you keep: generate_email takes the lead id directly, enrich_* gives the full record.",
      +  "enum": [
      +    "thin",
      +    "full"
      +  ],
      +  "type": "string"
      +}
    • changedInput schema / properties / mode / description
      Previous value: -"Data mode. \"database\" = cached, sub-second, cheaper, free counts, core filters only. \"realtime\" = live LinkedIn lookup, 5–60s, pricier, supports every filter. \"auto\" (default) tries database first and only escalates to realtime if a filter you passed is unsupported there — an escalation is reported in the response. Pick \"database\" explicitly when freshness is not critical and cost matters more than freshness."New value: +"Data mode. \"database\" = Generect's own index: sub-second, free counts, free thin rows (see detail) or cheaper full rows; it accepts a subset of the filters today and names any it rejects. \"realtime\" = live LinkedIn lookup, 5–60s, billed per row, accepts every realtime filter. \"auto\" (default) tries database first and escalates to realtime only if a filter you passed is rejected there (the escalation is reported, and is refused above the per-call spend ceiling). Pick \"database\" explicitly when freshness is not critical and cost matters more than freshness."
  3. Changed3 schema fields changed
    • addedInput schema / properties / allow_unlisted_values
      Added value: +{
      +  "description": "Escape hatch for the local vocabulary check — see the lead-side field of the same name.",
      +  "type": "boolean"
      +}
    • addedInput schema / properties / confirm_spend_usd
      Added value: +{
      +  "description": "Explicit approval for an unusually large charge. Calls whose worst case exceeds $5 are refused unless this is set to at least the amount the tool reports. Only set it after the user has agreed to that number.",
      +  "type": "number"
      +}
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "http://json-schema.org/draft-07/schema#",
      +  "additionalProperties": false,
      +  "properties": {
      +    "api_returned_more_than_requested": {
      +      "type": "number"
      +    },
      +    "blocked_by_vocabulary": {
      +      "$ref": "#/properties/vocabulary_warnings"
      +    },
      +    "companies": {
      +      "type": "array"
      +    },
      +    "cost": {
      +      "additionalProperties": false,
      +      "properties": {
      +        "amount_charged_usd": {
      +          "type": [
      +            "number",
      +            "null"
      +          ]
      +        },
      +        "billed": {
      +          "type": "string"
      +        },
      +        "note": {
      +          "type": "string"
      +        },
      +        "operation": {
      +          "type": "string"
      +        }
      +      },
      +      "type": "object"
      +    },
      +    "deprecated_params_ignored": {
      +      "additionalProperties": {
      +        "type": "string"
      +      },
      +      "type": "object"
      +    },
      +    "escalated_to_realtime_because": {
      +      "items": {
      +        "type": "string"
      +      },
      +      "type": "array"
      +    },
      +    "escalation_note": {
      +      "type": "string"
      +    },
      +    "fix": {
      +      "type": "string"
      +    },
      +    "leads": {
      +      "type": "array"
      +    },
      +    "mode": {
      +      "type": "string"
      +    },
      +    "next_page_args": {},
      +    "note": {
      +      "type": "string"
      +    },
      +    "requested_rows": {
      +      "type": "number"
      +    },
      +    "results_count": {
      +      "type": [
      +        "number",
      +        "null"
      +      ]
      +    },
      +    "returned": {
      +      "type": "number"
      +    },
      +    "spend_guard": {},
      +    "status": {
      +      "type": "string"
      +    },
      +    "test_mode": {
      +      "type": "boolean"
      +    },
      +    "test_mode_notice": {
      +      "type": "string"
      +    },
      +    "vocabulary_warnings": {
      +      "type": "array"
      +    }
      +  },
      +  "type": "object"
      +}
  4. Changed29 schema fields changed
    • changedInput schema / properties / compact / description
      Previous value: -"Default true: 6-field summary per company. Set false for the full raw object."New value: +"Default true: return a small per-company summary (including the Generect `id`, which every later step accepts). Set false for the full raw record (~80 fields) — only worth it when you specifically need skills, education or other deep fields."
    • changedInput schema / properties / company_names / description
      Previous value: -"Restrict to specific company names."New value: +"Restrict to specific company names — realtime only: using it forces the pricier live mode."
    • changedInput schema / properties / company_types / description
      Previous value: -"Company types. Allowed values: \"Public Company\", \"Educational\", \"Self Employed\", \"Government Agency\", \"Non Profit\", \"Self Owned\", \"Privately Held\", \"Partnership\"."New value: +"Company types: \"Public Company\",\"Privately Held\",\"Non Profit\",\"Government Agency\",\"Educational\", …"
    • addedInput schema / properties / department_headcount
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "Department size, e.g. {\"name\":\"engineering\",\"min\":10,\"max\":100} — realtime only: using it forces the pricier live mode.",
      +  "properties": {
      +    "max": {
      +      "type": "number"
      +    },
      +    "min": {
      +      "type": "number"
      +    },
      +    "name": {
      +      "type": "string"
      +    }
      +  },
      +  "required": [
      +    "name"
      +  ],
      +  "type": "object"
      +}
    • addedInput schema / properties / exclude_domains
      Added value: +{
      +  "description": "Exclude companies by domain (e.g. existing customers).",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • addedInput schema / properties / exclude_ids
      Added value: +{
      +  "description": "Exclude companies by LinkedIn id/URN.",
      +  "items": {
      +    "type": [
      +      "string",
      +      "number"
      +    ]
      +  },
      +  "type": "array"
      +}
    • changedInput schema / properties / exclude_industries / description
      Previous value: -"Industries to exclude (same taxonomy as industries)."New value: +"Industries to exclude."
    • changedInput schema / properties / exclude_locations / description
      Previous value: -"Locations to exclude."New value: +"HQ locations to exclude."
    • changedInput schema / properties / fallback_from_leads / description
      Previous value: -"Default FALSE. If true and the company search is empty, derive candidate company NAMES by aggregating a keyword lead search. These are lead-derived name counts (source:\"leads_derived\"), NOT real company records, and cost an extra query."New value: +"DEPRECATED — accepted but ignored. Removed. It fabricated lead-derived name aggregates and cost an extra billable query."
    • removedInput schema / properties / fallback_from_leads / type
      Removed value: -"boolean"
    • changedInput schema / properties / get_max_companies / description
      Previous value: -"Also report the total number of matching companies."New value: +"DEPRECATED — accepted but ignored. Always on now: search responses include results_count without asking."
    • removedInput schema / properties / get_max_companies / type
      Removed value: -"boolean"
    • addedInput schema / properties / headcount_growth
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "Headcount growth in percent — realtime only: using it forces the pricier live mode.",
      +  "properties": {
      +    "max": {
      +      "type": "number"
      +    },
      +    "min": {
      +      "type": "number"
      +    }
      +  },
      +  "type": "object"
      +}
    • changedInput schema / properties / headcounts / description
      Previous value: -"Employee headcount buckets. Allowed ONLY: \"1-10\",\"11-50\",\"51-200\",\"201-500\",\"501-1000\",\"1001-5000\",\"5001-10000\",\"10 000+\" (note the space in \"10 000+\")."New value: +"Size buckets. Allowed ONLY: \"1-10\",\"11-50\",\"51-200\",\"201-500\",\"501-1000\",\"1001-5000\",\"5001-10000\",\"10 000+\"."
    • addedInput schema / properties / hiring_on_linkedin
      Added value: +{
      +  "description": "Only companies actively hiring — realtime only: using it forces the pricier live mode.",
      +  "type": "boolean"
      +}
    • changedInput schema / properties / industries / description
      Previous value: -"Industries. Must match Generect industry names exactly (e.g. \"Software Development\", \"Financial Services\"). Names are hierarchical. Invalid names are rejected (HTTP 400)."New value: +"Company industries. Must match Generect industry names exactly (e.g. \"Software Development\"); unknown names are rejected with HTTP 400."
    • changedInput schema / properties / keywords / description
      Previous value: -"Free-text keywords (Boolean phrases allowed)."New value: +"Free-text keywords across name/description/specialties — realtime only: using it forces the pricier live mode."
    • changedInput schema / properties / limit / description
      Previous value: -"Alias for limit_by"New value: +"Alias for limit_by."
    • changedInput schema / properties / limit_by / description
      Previous value: -"Companies to return (1–100, default 25)."New value: +"Rows to return this call (1–100, default 25). You are billed per returned row, so this number IS the price of the call."
    • addedInput schema / properties / linkedins_links
      Added value: +{
      +  "description": "Specific LinkedIn company URLs — realtime only: using it forces the pricier live mode.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • changedInput schema / properties / locations / description
      Previous value: -"Locations (countries/regions, e.g. [\"United States\"])."New value: +"HQ locations — cities, states or countries."
    • addedInput schema / properties / mode
      Added value: +{
      +  "description": "Data mode. \"database\" = cached, sub-second, cheaper, free counts, core filters only. \"realtime\" = live LinkedIn lookup, 5–60s, pricier, supports every filter. \"auto\" (default) tries database first and only escalates to realtime if a filter you passed is unsupported there — an escalation is reported in the response. Pick \"database\" explicitly when freshness is not critical and cost matters more than freshness.",
      +  "enum": [
      +    "auto",
      +    "database",
      +    "realtime"
      +  ],
      +  "type": "string"
      +}
    • changedInput schema / properties / num_of_followers / description
      Previous value: -"LinkedIn follower-count buckets."New value: +"LinkedIn follower buckets: \"1-50\",\"51-100\",\"101-1000\",\"1001-5000\",\"5001+\" — realtime only: using it forces the pricier live mode."
    • changedInput schema / properties / offset / description
      Previous value: -"Alias for offset_by"New value: +"Alias for offset_by."
    • changedInput schema / properties / offset_by / description
      Previous value: -"Offset for pagination."New value: +"Rows to skip (pagination)."
    • changedInput schema / properties / revenues_range / description
      Previous value: -"Annual revenue range in millions USD, e.g. {\"min\":0.5,\"max\":1001}. Single object, NOT an array."New value: +"Annual revenue range, single object {min,max} — realtime only: using it forces the pricier live mode."
    • addedInput schema / properties / sub_industries
      Added value: +{
      +  "description": "Expand each selected industry to its sub-industries as well (broadens the match).",
      +  "type": "boolean"
      +}
    • changedInput schema / properties / technologies / description
      Previous value: -"Technologies the company uses (BuiltWith taxonomy)."New value: +"Technologies the company uses — realtime only: using it forces the pricier live mode."
    • changedInput schema / properties / timeout_ms / description
      Previous value: -"Request timeout in milliseconds"New value: +"Request timeout in milliseconds."
  5. Changed15 schema fields changed
    • changedInput schema / properties / compact / description
      Previous value: -"Return compact summary instead of full JSON"New value: +"Default true: 6-field summary per company. Set false for the full raw object."
    • addedInput schema / properties / company_names
      Added value: +{
      +  "description": "Restrict to specific company names.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • addedInput schema / properties / exclude_industries
      Added value: +{
      +  "description": "Industries to exclude (same taxonomy as industries).",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • addedInput schema / properties / exclude_locations
      Added value: +{
      +  "description": "Locations to exclude.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • changedInput schema / properties / fallback_from_leads / description
      Previous value: -"If no companies, derive from leads by keywords"New value: +"Default FALSE. If true and the company search is empty, derive candidate company NAMES by aggregating a keyword lead search. These are lead-derived name counts (source:\"leads_derived\"), NOT real company records, and cost an extra query."
    • changedInput schema / properties / get_max_companies / description
      Previous value: -"Get maximum companies"New value: +"Also report the total number of matching companies."
    • changedInput schema / properties / headcounts / description
      Previous value: -"Employee headcount ranges. Allowed values ONLY: \"1\", \"2-10\", \"11-50\", \"51-200\", \"201-500\", \"501-1000\", \"1001-5000\", \"5001-10000\", \"10000+\". Note the largest bucket is \"10000+\" (NOT \"10001+\")."New value: +"Employee headcount buckets. Allowed ONLY: \"1-10\",\"11-50\",\"51-200\",\"201-500\",\"501-1000\",\"1001-5000\",\"5001-10000\",\"10 000+\" (note the space in \"10 000+\")."
    • changedInput schema / properties / industries / description
      Previous value: -"Industries. Must match Generect industry names exactly (e.g. \"Software Development\", \"Financial Services\"). Invalid names are rejected by the API."New value: +"Industries. Must match Generect industry names exactly (e.g. \"Software Development\", \"Financial Services\"). Names are hierarchical. Invalid names are rejected (HTTP 400)."
    • changedInput schema / properties / keywords / description
      Previous value: -"Keywords"New value: +"Free-text keywords (Boolean phrases allowed)."
    • changedInput schema / properties / limit_by / description
      Previous value: -"Number of results to return"New value: +"Companies to return (1–100, default 25)."
    • changedInput schema / properties / locations / description
      Previous value: -"Locations (countries, e.g. [\"United States\"])"New value: +"Locations (countries/regions, e.g. [\"United States\"])."
    • addedInput schema / properties / num_of_followers
      Added value: +{
      +  "description": "LinkedIn follower-count buckets.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • changedInput schema / properties / offset_by / description
      Previous value: -"Offset for pagination"New value: +"Offset for pagination."
    • addedInput schema / properties / revenues_range
      Added value: +{
      +  "additionalProperties": false,
      +  "description": "Annual revenue range in millions USD, e.g. {\"min\":0.5,\"max\":1001}. Single object, NOT an array.",
      +  "properties": {
      +    "max": {
      +      "type": "number"
      +    },
      +    "min": {
      +      "type": "number"
      +    }
      +  },
      +  "required": [
      +    "min",
      +    "max"
      +  ],
      +  "type": "object"
      +}
    • addedInput schema / properties / technologies
      Added value: +{
      +  "description": "Technologies the company uses (BuiltWith taxonomy).",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
  6. Changed6 schema fields changed
    • changedInput schema / properties / company_types / description
      Previous value: -"Company types"New value: +"Company types. Allowed values: \"Public Company\", \"Educational\", \"Self Employed\", \"Government Agency\", \"Non Profit\", \"Self Owned\", \"Privately Held\", \"Partnership\"."
    • changedInput schema / properties / headcounts / description
      Previous value: -"Headcount ranges"New value: +"Employee headcount ranges. Allowed values ONLY: \"1\", \"2-10\", \"11-50\", \"51-200\", \"201-500\", \"501-1000\", \"1001-5000\", \"5001-10000\", \"10000+\". Note the largest bucket is \"10000+\" (NOT \"10001+\")."
    • changedInput schema / properties / industries / description
      Previous value: -"Industries"New value: +"Industries. Must match Generect industry names exactly (e.g. \"Software Development\", \"Financial Services\"). Invalid names are rejected by the API."
    • addedInput schema / properties / limit
      Added value: +{
      +  "description": "Alias for limit_by",
      +  "type": "number"
      +}
    • changedInput schema / properties / locations / description
      Previous value: -"Locations (Countries, e.g \"United States\")"New value: +"Locations (countries, e.g. [\"United States\"])"
    • addedInput schema / properties / offset
      Added value: +{
      +  "description": "Alias for offset_by",
      +  "type": "number"
      +}
  7. Changed4 schema fields changed
    • addedInput schema / properties / limit_by
      Added value: +{
      +  "description": "Number of results to return",
      +  "type": "number"
      +}
    • addedInput schema / properties / locations
      Added value: +{
      +  "description": "Locations (Countries, e.g \"United States\")",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • removedInput schema / properties / max_items
      Removed value: -{
      -  "description": "Maximum items to include in response (local trim)",
      -  "type": "number"
      -}
    • addedInput schema / properties / offset_by
      Added value: +{
      +  "description": "Offset for pagination",
      +  "type": "number"
      +}
  8. First observed

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses far more than the annotations (readOnlyHint=false, destructiveHint=false): daily free row quota resetting at 00:00 UTC, ~$0.0067/row full pricing, list-price disclaimer, cost.amount_charged, the $5 spend ceiling with confirm_spend_usd, 429 behavior on spent quota, and the headcount_range snapshot-lag caveat. It stops short of describing pagination/response shape, but the billing and escalation semantics are unusually thorough.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loads the core action and the free-by-default economics, and every clause carries cost or routing information. It is dense with stacked parentheticals (Tier 0 list price, quota, escalation) that could be tightened, but nothing is wasted for a 30-parameter billed search.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With an output schema present it need not explain return values, and with 30 params and a dual billing model it still covers the essentials: free vs billable paths, escalation, spend ceiling, filter caveats, and deprecated no-op params. An agent has enough to call this correctly and safely.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3, but the description adds cross-parameter meaning the schema doesn't: detail's free/thin vs billable/full escalation path and thin_unavailable marker, and that realtime-only filters force the pricier mode. The limit_by cost equation ('this number IS the price') is also supplied by the schema, so the added value is moderate rather than decisive.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Opens with a specific verb+resource ('Return companies matching an ICP') and immediately scopes itself against siblings ('Run count_companies first', 'use enrich_company on the ones you keep'). An agent can distinguish it from count_companies, enrich_company and search_leads without opening any schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit routing to alternatives and conditions: run count_companies first, enrich_company/generate_email on rows you keep, pick 'database' when freshness matters less than cost, 'auto' escalates only on rejected filters. Both when-to-use and how-to-avoid-cost are stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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