// MCP TOKEN COST

The GPT 5 5 x402 Low Cost Agent Tools MCP server costs 72,665 tokens before the first call.

Every request your agent makes carries every tool definition this server exposes — context your code, documents and conversation can't use, mostly for tools the agent never calls. You don't need them all in the window, and you don't have to pay for them.

QUICK ANSWER The GPT 5 5 x402 Low Cost Agent Tools MCP server's 212 tool definitions consume 72,665 tokens — 36% of a 200k context window, and 35× the median MCP server (2,060 tokens). A scoped grant exposing only the tools you use cuts that roughly in proportion.

MEASURED FROM SCHEMAS tiktoken o200k_base · rank #8 of 3,902 measured servers · refreshed every build Method →

// CONTEXT WINDOW SHARE

What that costs before your agent starts working.

Tool definitions are overhead: they occupy context on every request and compete with your code, documents and conversation history for the same window.

200K WINDOW 36%

1M WINDOW 7.3%

Corpus context: GPT 5 5 x402 Low Cost Agent Tools ranks #8 of 3,902 measured MCP servers by definition cost. The median is 2,060 tokens, p90 is 11,333, and the heaviest (SmartBear MCP) is 137,725 — 69% of a 200k window on its own. New to this? See MCP token cost and context window in the glossary.

Token cost is one axis. See the risk picture across your whole stack →

// PER-TOOL BREAKDOWN

Where the 72,665 tokens go.

Each row is one tool definition as a tools/list entry — name, description and input schema — counted with o200k_base. Average: 343 tokens per tool.

Tool	Category	Tokens	% of server
gpt55_x402_agent_spend_recurrence_guard	Financial	885	1.2%
gpt55_x402_receipt_dispute_pack_get	Read	857	1.2%
gpt55_x402_receipt_dispute_pack	Financial	847	1.2%
gpt55_x402_directory_compliance_repair_pack_get	Financial	746	1.0%
gpt55_x402_directory_compliance_repair_pack	Financial	736	1.0%
gpt55_x402_payment_failure_doctor_get	Read	726	1.0%
gpt55_x402_payment_failure_doctor	Financial	716	1.0%
gpt55_x402_agent_payment_approval_pack	Financial	691	1.0%
gpt55_x402_wallet_funding_readiness_doctor_get	Read	608	0.8%
gpt55_x402_wallet_funding_readiness_doctor	Read	598	0.8%
gpt55_sub2api_balance_ledger_simulator	Financial	581	0.8%
gpt55_x402_revenue_recovery_agent	Financial	579	0.8%
gpt55_x402_agent_task_receipt_outbox	Financial	561	0.8%
gpt55_wallet_signing_safety_pack_get	Read	557	0.8%
gpt55_x402_buyer_prepay_risk_score_get	Read	556	0.8%
gpt55_wallet_signing_safety_pack	Execute	547	0.8%
gpt55_x402_buyer_prepay_risk_score	Read	546	0.8%
gpt55_x402_wallet_payment_activation_agent_get	Financial	518	0.7%
gpt55_x402_directory_rank_tracker_get	Read	513	0.7%
gpt55_x402_agent_payment_due_diligence_pack_get	Financial	509	0.7%
gpt55_x402_wallet_payment_activation_agent	Financial	508	0.7%
gpt55_x402_directory_rank_tracker	Read	503	0.7%
gpt55_x402_prepay_trust_check_get	Read	503	0.7%
gpt55_x402_agent_payment_due_diligence_pack	Financial	499	0.7%
gpt55_x402_buyer_payment_execution_runbook	Financial	498	0.7%
gpt55_sub2api_official_metered_invoice	Financial	494	0.7%
gpt55_x402_prepay_trust_check	Read	493	0.7%
gpt55_x402_procurement_vendor_risk_dossier	Financial	490	0.7%
gpt55_x402_paid_mcp_authorization_bridge	Read	486	0.7%
gpt55_x402_agent_wallet_incident_response_pack	Financial	480	0.7%
gpt55_x402_agent_treasury_rebalancing_policy	Financial	480	0.7%
gpt55_x402_agent_data_leak_containment_plan	Financial	478	0.7%
gpt55_x402_agent_payment_authorization_ato_pack	Financial	478	0.7%
gpt55_x402_seller_revenue_leakage_forensics_pack	Financial	477	0.7%
gpt55_x402_client_compatibility_adapter_get	Read	476	0.7%
gpt55_x402_seller_price_ladder_optimizer	Financial	476	0.7%
gpt55_x402_agent_runbook_compliance_attestation_pack	Financial	475	0.7%
gpt55_x402_bazaar_listing_revenue_repair	Financial	475	0.7%
gpt55_x402_payment_retry_slo_autopilot	Financial	475	0.7%
gpt55_x402_mcp_production_launch_audit	Financial	474	0.7%
gpt55_x402_mcp_tenant_entitlement_isolation_pack	Read	474	0.7%
gpt55_x402_paid_api_contract_test_suite	Financial	474	0.7%
gpt55_x402_settlement_dispute_evidence_lockbox	Financial	474	0.7%
gpt55_x402_agent_approval_workflow_compiler	Financial	473	0.7%
gpt55_x402_agent_spend_simulator	Financial	473	0.7%
gpt55_x402_agentic_api_red_team_brief	Financial	473	0.7%
gpt55_x402_ai_crawler_license_enforcement_pack	Financial	473	0.7%
gpt55_x402_mcp_tool_revenue_share_ledger	Financial	473	0.7%
gpt55_x402_wallet_drain_prevention_firewall	Financial	473	0.7%
gpt55_x402_agent_credit_line_underwriting_pack	Financial	472	0.6%
gpt55_x402_usage_quota_billing_reconciliation_agent	Financial	472	0.6%
gpt55_x402_enterprise_security_questionnaire_autofill	Financial	471	0.6%
gpt55_x402_model_arbitrage_router_policy	Financial	471	0.6%
gpt55_x402_directory_trust_evidence_pack	Financial	471	0.6%
gpt55_x402_agent_market_data_procurement_firewall	Financial	470	0.6%
gpt55_x402_agent_wallet_key_rotation_drill	Financial	470	0.6%
gpt55_x402_autonomous_procurement_policy_engine	Financial	470	0.6%
gpt55_x402_buyer_payment_client_implementation_sprint	Financial	470	0.6%
gpt55_x402_data_room_receipt_redaction_pack	Financial	470	0.6%
gpt55_x402_mcp_entitlement_receipt_gateway	Financial	470	0.6%
gpt55_x402_payment_slo_monitoring_pack	Financial	470	0.6%
gpt55_x402_wallet_receipt_accounting_pack	Financial	470	0.6%
gpt55_x402_cross_chain_payment_failover_playbook	Financial	469	0.6%
gpt55_x402_customer_support_refund_triage_agent	Financial	469	0.6%
gpt55_x402_enterprise_buyer_onboarding_dossier	Financial	469	0.6%
gpt55_x402_model_sla_breach_claims_pack	Financial	469	0.6%
gpt55_x402_mcp_asset_inventory_risk_register	Financial	469	0.6%
gpt55_x402_refund_dispute_resolution_playbook	Financial	468	0.6%
gpt55_x402_mcp_enterprise_rollout_pack	Financial	468	0.6%
gpt55_x402_model_procurement_benchmark_pack	Financial	468	0.6%
gpt55_x402_payment_tax_invoice_reconciliation_kit	Financial	467	0.6%
gpt55_x402_agent_procurement_rfp_response_pack	Financial	466	0.6%
gpt55_x402_client_compatibility_adapter	Financial	466	0.6%
gpt55_x402_flowise_payment_node_blueprint	Financial	466	0.6%
gpt55_x402_private_gateway_deployment_plan	Financial	466	0.6%
gpt55_x402_conversion_forensics_war_room	Financial	464	0.6%
gpt55_x402_soc2_payment_control_evidence_pack	Financial	464	0.6%
gpt55_x402_verify_settle_recovery_pack	Financial	463	0.6%
gpt55_x402_receipt_bound_execution_gate	Financial	453	0.6%
gpt55_x402_buyer_client_adapter_pack	Destructive	446	0.6%
gpt55_x402_crawler_monetization_kit_get	Read	397	0.5%
gpt55_balance_metered_chat_completion	Financial	393	0.5%
gpt55_x402_buyer_shortlist_get	Financial	389	0.5%
gpt55_x402_crawler_monetization_kit	Read	387	0.5%
gpt55_x402_buyer_shortlist	Financial	379	0.5%
gpt55_eip712_signature_risk_decoder_get	Read	367	0.5%
gpt55_x402_discovery_price_compare_get	Read	367	0.5%
gpt55_eip712_signature_risk_decoder	Read	357	0.5%
gpt55_x402_discovery_price_compare	Read	357	0.5%
gpt55_x402_seller_intelligence_bundle_get	Financial	355	0.5%
gpt55_x402_seller_action_plan_get	Write	353	0.5%
gpt55_x402_opportunity_finder_get	Read	351	0.5%
gpt55_x402_seller_intelligence_bundle	Financial	345	0.5%
gpt55_x402_seller_action_plan	Financial	343	0.5%
gpt55_x402_opportunity_finder	Read	341	0.5%
gpt55_x402_agent_payment_policy_compiler	Financial	339	0.5%
gpt55_gpt55_plus_half_price_subscription	Financial	336	0.5%
gpt55_x402_base_builder_funding_readiness_get	Read	331	0.5%
gpt55_x402_market_benchmark_get	Read	326	0.4%
gpt55_x402_agent_core_integration_kit_get	Financial	324	0.4%
gpt55_x402_batch_quote_inspector_get	Read	322	0.4%
gpt55_x402_base_builder_funding_readiness	Read	321	0.4%
gpt55_x402_market_benchmark	Read	316	0.4%
gpt55_x402_agent_core_integration_kit	Financial	314	0.4%
gpt55_x402_batch_quote_inspector	Read	312	0.4%
gpt55_evm_transaction_risk_decoder_get	Read	311	0.4%
chat_gpt_5_6_soul	Financial	304	0.4%
gpt55_evm_transaction_risk_decoder	Read	301	0.4%
gpt55_x402_listing_seo_audit_get	Read	297	0.4%
chat_gpt_5_3_codex	Financial	296	0.4%
chat_gpt_5_5	Financial	291	0.4%
chat_standard	Financial	290	0.4%
gpt55_x402_mcp_integration_kit_get	Financial	289	0.4%
gpt55_x402_listing_seo_audit	Read	287	0.4%
gpt55_x402_bazaar_search_get	Read	281	0.4%
gpt55_summarize	Read	280	0.4%
gpt55_x402_quote_inspector_get	Read	280	0.4%
gpt55_x402_mcp_integration_kit	Financial	279	0.4%
gpt55_x402_site_audit_get	Read	277	0.4%
gpt55_x402_bazaar_search	Read	271	0.4%
gpt55_x402_quote_inspector	Read	270	0.4%
gpt55_json_validate_get	Read	267	0.4%
gpt55_x402_site_audit	Read	267	0.4%
gpt55_extract_json	Read	265	0.4%
gpt55_json_validate	Read	257	0.4%
gpt55_code_review	Read	252	0.3%
gpt55_url_text_get	Read	252	0.3%
gpt55_translate_get	Read	249	0.3%
gpt55_url_links_get	Read	249	0.3%
gpt55_balance_topup	Financial	246	0.3%
gpt55_url_metadata_get	Read	244	0.3%
gpt55_url_text	Read	242	0.3%
gpt55_answer	Read	241	0.3%
gpt55_translate	Read	239	0.3%
gpt55_url_links	Read	239	0.3%
gpt55_rewrite	Read	235	0.3%
gpt55_url_metadata	Read	234	0.3%
gpt55_hash_text_get	Read	224	0.3%
gpt55_http_status_get	Read	216	0.3%
gpt55_hash_text	Read	214	0.3%
gpt55_regex_match_get	Execute	214	0.3%
gpt55_json_keys_get	Read	208	0.3%
gpt55_http_status	Read	206	0.3%
gpt55_regex_match	Execute	204	0.3%
gpt55_case_convert_get	Write	202	0.3%
gpt55_code_review_mini	Read	201	0.3%
gpt55_code_review_standard	Read	200	0.3%
gpt55_summarize_mini	Read	200	0.3%
gpt55_base64_codec_get	Execute	199	0.3%
gpt55_json_minify_get	Read	199	0.3%
gpt55_summarize_standard	Read	199	0.3%
gpt55_json_keys	Read	198	0.3%
gpt55_code_review_pro	Read	197	0.3%
gpt55_code_review_professional	Read	197	0.3%
gpt55_rewrite_standard	Read	197	0.3%
gpt55_summarize_plus	Read	197	0.3%
gpt55_translate_batch	Financial	197	0.3%
gpt55_translate_professional	Read	197	0.3%
gpt55_translate_standard	Read	197	0.3%
gpt55_code_review_plus	Read	196	0.3%
gpt55_rewrite_professional	Read	196	0.3%
gpt55_summarize_pro	Read	196	0.3%
gpt55_translate_mini	Read	196	0.3%
gpt55_translate_pro	Read	196	0.3%
gpt55_extract_json_mini	Read	195	0.3%
gpt55_summarize_professional	Read	195	0.3%
gpt55_translate_plus	Read	195	0.3%
gpt55_rewrite_plus	Read	194	0.3%
gpt55_slugify_get	Read	194	0.3%
gpt55_answer_plus	Read	193	0.3%
gpt55_answer_professional	Financial	193	0.3%
gpt55_answer_standard	Read	193	0.3%
gpt55_extract_json_professional	Read	193	0.3%
gpt55_extract_json_standard	Read	193	0.3%
gpt55_rewrite_mini	Read	193	0.3%
gpt55_answer_mini	Read	192	0.3%
gpt55_extract_json_plus	Read	192	0.3%
gpt55_case_convert	Write	192	0.3%
gpt55_base64_codec	Execute	189	0.3%
gpt55_html_strip_get	Read	189	0.3%
gpt55_json_minify	Read	189	0.3%
gpt55_uri_codec_get	Read	187	0.3%
gpt55_html_entity_codec_get	Execute	184	0.3%
gpt55_slugify	Read	184	0.3%
gpt55_diff_lines_get	Read	183	0.3%
gpt55_domain_extract_get	Read	182	0.3%
gpt55_url_parse_get	Read	180	0.2%
gpt55_sort_lines_get	Execute	180	0.2%
gpt55_html_strip	Execute	179	0.2%
gpt55_unique_lines_get	Read	177	0.2%
gpt55_uri_codec	Read	177	0.2%
gpt55_text_stats_get	Read	176	0.2%
gpt55_email_normalize_get	Read	175	0.2%
gpt55_html_entity_codec	Read	174	0.2%
gpt55_query_parse_get	Read	174	0.2%
gpt55_diff_lines	Read	173	0.2%
gpt55_timestamp_get	Read	173	0.2%
gpt55_color_convert_get	Read	173	0.2%
gpt55_domain_extract	Read	172	0.2%
gpt55_url_parse	Read	170	0.2%
gpt55_jwt_decode_get	Read	170	0.2%
gpt55_sort_lines	Read	170	0.2%
gpt55_unique_lines	Read	167	0.2%
gpt55_text_stats	Read	166	0.2%
gpt55_email_normalize	Read	165	0.2%
gpt55_query_parse	Read	164	0.2%
gpt55_timestamp	Read	163	0.2%
gpt55_color_convert	Financial	163	0.2%
gpt55_jwt_decode	Read	160	0.2%
gpt55_uuid_get	Read	158	0.2%
gpt55_uuid	Read	148	0.2%
gpt55_x402_ping	Financial	135	0.2%

// CUT THE COST

Your agent uses a handful of these tools. It pays for all 212.

You don't need all 212 of those definitions in the window. PolicyLayer is an MCP gateway that sits in front of GPT 5 5 x402 Low Cost Agent Tools: only the tools you grant are exposed to the agent, the rest never load. A smaller window means a sharper agent — less noise when it picks a tool — and every request costs less:

Grant scope	Definition cost	Reduction
All 212 tools (no gateway)	72,665 tokens	—
3 granted tools	~1,028 tokens	−99%
5 granted tools	~1,714 tokens	−98%
10 granted tools	~3,428 tokens	−95%

The risk dividend: 86 of these 212 tools are critical-risk (destructive or financial) and cost 39,099 tokens (54% of the definition load). Block them — the recommended starter policy — and you reclaim that context before tuning anything else.

Create a free account and register GPT 5 5 x402 Low Cost Agent Tools — nothing to install.
Grant only the tools you use — ungranted definitions never enter the context window.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CUT GPT 5 5 X402 LOW COST AGENT TOOLS TOKEN COST →

Instant setup, no code required.

Model your own stack in the token-cost calculator, or see the GPT 5 5 x402 Low Cost Agent Tools policy for what a sensible grant looks like.

//FAQ

GPT 5 5 x402 Low Cost Agent Tools token-cost questions.

How many tokens does the GPT 5 5 x402 Low Cost Agent Tools MCP server use?+

Its 212 tool definitions total 72,665 tokens — 36% of a 200k context window — measured with tiktoken o200k_base over the serialised tools/list payload. Exact counts vary slightly by client and model.

Why does GPT 5 5 x402 Low Cost Agent Tools consume tokens before I send a message?+

MCP clients load every connected server's tool definitions — name, description, and input schema — into the model's context so it knows what it can call. That payload is charged against your context window on every request, whether or not a tool is used.

How do I reduce GPT 5 5 x402 Low Cost Agent Tools's token usage?+

Expose fewer tools. A PolicyLayer grant scopes GPT 5 5 x402 Low Cost Agent Tools to only the tools you allow — ungranted definitions are filtered out of the tool list, so they never enter the context window. A grant of 3 typical tools costs roughly 1,028 tokens, a 99% reduction.

Does deferred tool loading fix this?+

Partially, in some clients. Claude Code defers MCP tool schemas behind a tool-search step by default, and VS Code has experimental grouping — but you still pay tokens per search and reload, and Cursor, Windsurf and Gemini CLI load definitions upfront. Reducing the exposed tool set cuts the cost in every client.

// METHOD & REVIEW

How these numbers were measured.

01

Serialisation

Each tool is serialised as a tools/list entry — name, description, input schema — from the schemas in the PolicyLayer scan database. Clients differ slightly in framing, so treat counts as close estimates.

02

Tokeniser

tiktoken o200k_base (GPT-4o/o-series). Anthropic's current tokeniser isn't published, so Claude's exact counts will differ; for English text and JSON schemas the totals are close enough to treat these as estimates.

03

Deferred loading

Some clients now defer schema loading (Claude Code's tool search; VS Code experimental grouping). You still pay per search and reload — and Cursor, Windsurf and Gemini CLI load everything upfront.

Computed 07-07-2026 from the PolicyLayer scan database over all 212 catalogued GPT 5 5 x402 Low Cost Agent Tools tools. Counts refresh with every site build.