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Polymarket Fill Risk

polymarket_fill_risk
Read-onlyIdempotent

Realizable-vs-theoretical edge check against live CLOB order-book depth. REQUIRES one of market (single-market mode) or event (basket/partition mode). SINGLE-MARKET: pass a market slug/URL + side (buy_yes|sell_yes|buy_no|sell_no, default buy_yes) + size_usd (default 1000 — max spend on buys, target proceeds on sells); walks the ladder and returns top_of_book, vwap_fill_price, slippage_pp, shares_filled, max_fillable_usd, and a verdict (clean|degraded|cannot_fill). BASKET: pass an event slug/URL + side (sell_yes = capture overround by selling every leg, buy_yes = capture underround; default auto from partition sum) + size_usd interpreted as settlement notional S (shares per leg; each share pays $1); returns theoretical_sum vs realizable_sum (top-of-book vs VWAP across all legs), capture_ratio, profit_usd at executed size, per-leg fill detail, thin_legs[], max_clean_notional_usd, and forced_directional_risk naming the legs most likely to strand you unhedged. USE THIS before acting on any polymarket_arbitrage SELL/BUY-EVERY-LEG signal or any polymarket_edges trade above ~$500 — theoretical overround on thin books is not capturable, and partial basket fills convert an arb into an unhedged directional position (the dominant loss mode in real arb-bot P&L).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sideNoSingle-market: buy_yes | sell_yes | buy_no | sell_no (default buy_yes). Basket: sell_yes | buy_yes (default auto — sell if partition sum > 1, buy if < 1).
eventNoBasket mode: event slug or full polymarket.com URL — checks every leg of the partition.
marketNoSingle-market mode: market slug or full polymarket.com URL.
size_usdNoSingle-market: USD to spend (buys) or target proceeds (sells). Basket: settlement notional — shares per leg, each paying $1 at resolution. Default 1000, clamp 10–1,000,000.

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Added
  2. Removed
  3. Added

TDQS

A4.9/5.0
Behavior5/5

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

Annotations already indicate readOnlyHint, openWorldHint, idempotentHint, destructiveHint=false. The description adds significant behavioral detail: walks the ladder, returns specific fields (slippage, fill details, verdict), and warns about 'thin_legs' and 'forced_directional_risk' for basket mode. No contradictions.

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?

The description is a single dense paragraph but well-structured with uppercase section headers (REQUIRES, SINGLE-MARKET, BASKET). Every sentence adds value, though it could be slightly more concise. No wasted text.

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?

Despite the lack of an output schema, the description comprehensively lists all return fields for both modes, explains the verdict system, and covers the risks of partial fills. For a complex tool, this is a complete and actionable description.

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

Parameters5/5

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

Schema description coverage is 100%. The description adds extra meaning: default values (size_usd=1000), clamps (10–1,000,000), clarification of side default behavior in basket mode (auto), and interpretation differences between single and basket modes.

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?

The description clearly states the tool checks 'realizable-vs-theoretical edge' against live CLOB order-book depth, with specific modes (single-market and basket). It distinguishes itself from sibling tools like polymarket_arbitrage and polymarket_edges by explicitly stating when to use it before those signals.

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?

The description provides explicit guidance: use before acting on polymarket_arbitrage SELL/BUY-EVERY-LEG signals or polymarket_edges trades above ~$500. It also explains the consequences of not using it (partial fills converting arb to directional position) and notes the requirement for `market` or `event`.

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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TDQS

B3.4/5.0
Disambiguation2/5

Several tools have heavily overlapping purposes: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, and deep_research all route factual questions to the same underlying catalog with unclear boundaries. Polymarket tools also overlap (bet_research, polymarket_edges, polymarket_arbitrage), and ai_visibility_check vs scan_competitor_ai_presence are nearly the same operation.

Naming Consistency3/5

Most tools follow a readable snake_case verb_noun pattern (ask_pipeworx, entity_profile, resolve_entity, list_subscriptions). However, the set mixes two distinct naming families — ic_* for Intercom tools and pipeworx/* for the rest — and includes ambiguous generic names like remember/recall/forget that don't visually connect to the rest.

Tool Count2/5

36 tools is far more than needed for an Intercom-focused server; the vast majority have nothing to do with Intercom and instead cover a sprawling Pipeworx data-research, prediction-market, and memory/subscription toolkit. The count alone is in the 'too many' range, and the scope mismatch makes it feel even more inflated.

Completeness2/5

For a server named Intercom, the surface is severely incomplete: only read/list/search operations exist for contacts and conversations, with no create, update, delete, send-message, or company-detail operations. The unrelated Pipeworx tools are fairly broad, but they don't compensate for the missing Intercom lifecycle coverage that the server name promises.