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Tool index

ask_pipeworx_grounded

Exposed by 1312 servers, with 3 different definitions behind the one name.

The same name does not mean the same tool here.

1312 servers expose ask_pipeworx_grounded and we have recorded 3 distinct definitions of it. Compare the parameters below before assuming one is a drop-in for another.

io.github.pipeworx-io/greenhouse reachable

Greenhouse MCP Pack — wraps the Greenhouse Harvest API v1

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/greynoise reachable

GreyNoise Community MCP — internet scanner classification (free tier with key)

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/gsa-auctions reachable

GSA Auctions API MCP — US federal government surplus auctions (keyed).

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/gsa-perdiem error

GSA Per Diem MCP — wraps the GSA Per Diem API v2 (api.gsa.gov)

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,621 across 1472 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 a00cc575662c029e read 2026-08-26 repository
io.github.pipeworx-io/gtex reachable

GTEx — Genotype-Tissue Expression human gene-expression atlas

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/gtin reachable

Barcode / GTIN validation MCP (EAN-13, UPC-A, EAN-8, GTIN-14).

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/guidetopharmacology reachable

IUPHAR/BPS Guide to PHARMACOLOGY (GtoPdb) MCP — keyless.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/guild-wars-2 reachable

Guild Wars 2 keyless public endpoints (worlds, items, achievements, build, commerce).

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/gunbroker reachable

GunBroker MCP Pack — wraps the GunBroker firearms-marketplace API.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/gutendex reachable

Gutendex MCP — wraps Gutendex API for Project Gutenberg books (free, no auth)

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/gwas-catalog reachable

GWAS Catalog (EBI/NHGRI) MCP — curated catalog of genome-wide association studies.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/h1b reachable

US H-1B visa sponsorship, LCA wages & top sponsors by role — recruiting/talent data

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hackernews reachable

Hacker News MCP — search and retrieve stories from Hacker News

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hackertarget reachable

HackerTarget MCP.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hagstofa-is reachable

Statistics Iceland (Hagstofa Íslands) PxWeb MCP. Keyless.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hagstova-fo reachable

Statistics Faroe Islands (Hagstova Føroya) PxWeb MCP.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hal-fr reachable

HAL — French national open research archive

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/harrypotter reachable

Harry Potter API MCP (hp-api.onrender.com) — keyless.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hash reachable

Cryptographic hash & HMAC MCP.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
io.github.pipeworx-io/hathitrust reachable

HathiTrust Bibliographic API MCP.

Ask Pipeworx — Grounded

Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 5,635 across 1477 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence, source, fetched_at, refusal_reason:null} on success, OR an explicit refusal {answer:null, refusal_reason:"not_in_source"|"no_tool_match"|"tool_error"|"data_truncated"|"llm_error"} when the data doesn't directly answer. Use whenever an answer will be quoted, cited, or acted on, and the agent must not invent facts (financial verdicts, legal claims, medical lookups, public statements). Costs one extra LLM call vs ask_pipeworx — prefer ask_pipeworx for casual lookups.

ParameterTypeDescription
q string Alias for question.
text string Alias for question.
input string Alias for question.
query string Alias for question.
prompt string Alias for question.
question* string Your question in natural language. Accepts query, q, prompt, text, input as aliases.

* required

Author's annotations: readOnlyHint=True, openWorldHint=True, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.

no output schema sha256 64dc6854f07d8062 read 2026-08-27 repository
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Every field above is reproduced as the server published it at the time shown. The description and the annotations are claims by the server's author. Toolpin does not call tools, so we cannot tell you whether a tool does what it says.

What we can tell you is whether the claim changed. The hash covers the fields the MCP specification defines, so a vendor build stamp does not move it but a rewritten description does. See how we monitor, or this server's change history.